Lens sharpness

Why Lens Sharpness Doesn't Matter Anyway top. Even with film, most people considered small 8x12 (20x30cm) prints as enlargements. People often thought they were testing sharpness by looking at 4x6 (10x15cm) jumbo prints. This was always ridiculous, because even the crappiest 35mm camera can easily make sharp 8x12 prints. Even when I started with 35mm as a kid in the 1970s, I knew that. Lens sharpness. A popular rule of thumb says most lenses are sharpest two stops down from their maximum aperture. While it may be true for centre sharpness with some lenses, it's seldom the case with edge and corner sharpness. Lens performance can vary, as we've found with our Imatest testing, some of the results of which are reproduced below. Performance also varies, depending on the. Sharpness is a subjective quality attribute of an image or a lens. Sharpness indicates the visually-perceived quality of detail resolution and contrast in an image or reproduced by a lens. DXOMARK invites our readership (you) to post comments on the articles on this website The overall sharpness of a lens, for example, tends to vary both with aperture and location within the field of view. When I get a new lens, I usually take a bunch of pictures of the built-in. So for an f2.8 lens, shoot at f2.8, f4, f5.6, f8 etc. Past f8 you'll probably start to see some drop in sharpness due to diffraction effects. If you know your AF is good, you can use AF. If you're not sure, compare a few manual focus shots with autofocus, or do an autofocus test as described HERE

Should I see the Lens sharpness tab? Thanks for help. sgospodarenko (Svetlana G.) February 4, 2020, 12:12pm #5. Hello once again, By the data in Metadata tab I see that the lens is not assigned and I suppose you can have a module ambiguity for this image (when several lenses are supported) and a yellow icon like this: When you click on the icon and select the proper lens -> you'll get Lens. Lens sharpness also varies by fstop. Most glass is softer wide open and performs best stopped down a bit. Most lens manufacturers will show the Modulus Transfer Function (MTF) of their products by distance from the center and by fstop in the specifications section. So the MTF of the camera with lens shows the potential sharpness you can get, but when photographers say sharpness, they really. DXOMARK's comprehensive camera lens test result database allows you to browse and select lenses for comparison based on their characteristics, brand, price, lens type, lens size, focal range and aperture. You can also select a camera to see the results for all the lenses tested on it Sharpness is an enchantment applied to a sword or axe that increases melee damage. 1 Usage 1.1 Damage per hit 1.1.1 Java Edition 2 Incompatibilities 3 Data values 3.1 ID 4 History 5 Issues In Java Edition, Sharpness adds 0.5 * level + 0.5 extra damage. In Bedrock Edition, each level of Sharpness adds 1.25 extra damage. An anvil is required to apply Sharpness V to a wooden, stone, iron, diamond. Images, Videos, and Media Library. The best suite of tools to enhance the media experience in Drupal, and provide a Media Library using the best set of modules that includes: Media Entity, Entity Browser, Entity Browser Enhance(d|r), Dropzonejs for drag-n-drop uploads, Entity Embed, Focal Point Cropping, and many other customizations! You really don't need to do anything

Lens Sharpness - Ken Rockwel

Therefore, not only do lens sharpness and megapixel counts matter, but also the lens sharpness. Both are crucial when talking about sharpness in photography. Lens quality is fundamental to the sharpness of an image. Using a higher quality lens and taking the same image can show a drastic difference in terms of sharpness. You can see this difference clearly if you switch to a better lens and. Sharpness is closely related to the quality of the lens manufacture and to the materials used in its design. It also depends on aperture: at maximum aperture, a lens will generally be less sharp than at smaller apertures. Finally, sharpness tends to be irregular across the field, with the central area frequently sharper than the edges

Astigmatism - An eye condition in which the lens doesn't focus light evenly on the retina, [...] leading to problems with visual sharpness. go2tv.tv. go2tv.tv. Astigmatisme - un état d'oeil en lequel l'objectif ne concentre pas la lumière même sur la rétine, menant [...] aux problèmes avec l'acuité visuelle. go2tv.tv. go2tv.tv. The DV-420V's advanced upscaling adds a new dimension to. With over 43,000 files cataloged in our lens test database, you can spend many days making various lens comparisons. Or, within a few minutes, determine which lens is best for your next shoot. Our Image Quality Comparison Tool featuring 100% crops of an enhanced ISO 12233 chart has proven invaluable to a huge number of photographers - don't miss this one. Want to see what a lens looks like. Simple Test To Check The Lens Sharpness. Here's a simple test. Remember to perform this test with a static subject. That way you can be 100% sure on the results you get. Follow these steps: Place your camera and lens setup on a sturdy tripod. Place an object (like a vase, flower, toy, etc.) at the minimum focusing distance* (MFD) of the lens. Make sure there is enough light to get a decent. For as much time as I spend talking about lens sharpness, it isn't the first or even second most important part of an image, its actually 6th on my list. I d..

TABLE OF CONTENTS BELOW DxOMark can tell you how much noise pictures will have and how sharp lenses will be before you pay anything, and they're far more tru.. Plus, image quality and sharpness is assured thanks to the Fujinon lens and new dual core EXR processor that automatically reduces color fringing and boosts corner resolution for uniform image sharpness. fuji.be. fuji.be. La qualité et la netteté sont garanties par l'association de l'objectif Fujinon au nouveau processeur EXR à double structure lequel réduit automatiquement les franges de. Lens Sharpness Oct 7, 2005 People often say various lenses are sharp without qualifying their statements, myself included. Very sharp. Razor sharp. Tack sharp. Pin sharp. Shiv sharp. I do not know what any of those things mean. Sharp for a 6mp camera? Sharp for a zoom lens? I consider the Tokina 90mm f/2.5 a sharp lens -- the sharpest lens I own, even. I shoot it wide open. Sharpness, or the ability to resolve small details, is an important measure of the performance of a lens. Sharp images let the viewer concentrate on the composition, color and light. On the other hand, soft images (except when looking that way on purpose) distract the viewer and decrease the perceived quality of the picture Lens Sharpness Chart. This list contains all latest Nikkor and Zeiss lenses with the sharpest apertures at specific focal lengths. It is NORMAL for lenses to be slightly soft at the highest aperture (lowest ƒ number) due to chromatic aberration (hot pink and baby blue color fringing, which results in soft images that is caused by fringing halos). It is NORMAL for lenses to lose sharpness at.

Notice the title of the article mentions lens sharpness, the difference between lenses is generally small and hard to notice without pixel peeping. If your images are soft because you used the wrong settings on your camera then you need to lock that up (fancy speak for you need to learn how to use the correct settings). Finally, I'm aware that certain lenses react differently to various. Thanks, Dan. I never really paid much attention to lens sharpness. These days my camera holding isn't all that steady, and in my youth, well, you remember how we were in those days. I never have been able to blame a bad photo on my equipment. jeffpolaski, Dec 12, 2007 #1. patrick j dempsey . Yeah Don, and in the U.S. so is going to a doctor. But I'm pretty sure that the cost of some of these. The term critical sharpness is sometimes heard (by analogy with critical focus) for obtaining maximal optical resolution, as limited by the sensor/film and lens, and in practice means minimizing camera shake - using a tripod or alternative support, mirror lock-up, a cable release or timer, image stabilizing lenses - and optimal aperture for the lens and scene, usually 2-3 stops down. Lens Sharpness. Micro 4/3 Lens Sharpness. Not suprisingly, not all lenses are as equally sharp. This is particularly the case when using lenses in infrared, some may be less sharp than others. Something not everyone is aware of, is that lenses have different sharpness depending on the aperture. Counterintuitively, the smallest or largest apertures are not the sharpest, but rather each lens has.

Lens quality and image sharpness - Photo Revie

  1. This ZEISS lens intensifies recordings' contrast and sharpness. Cet objectif ZEISS augmente le contraste et la nettet The silver halide color photosensitive material is excellent in sharpness, desilvering property and the capability of detecting a film. Le matériau photosensible aux couleurs à base d'halogénure d'argent présente une excellente netteté, une propriété de désargenture.
  2. A lens's sharpness and degree of vignetting will change based on the aperture selected, as well as its focal length, if it is a zoom. Before We Begin. The goal of this article is to give you some pointers on how you can do some basic lens testing at home. To do that, I will share with you techniques I have used to test my lenses. There are two parts to my lens-test goal: evaluating the lens.
  3. es the amount of detail an imaging system can reproduce. It is defined by the boundaries between zones of different tones or colors. Figure 1. Bar pattern: Original (upper half of figure) with lens degradation (lower half of figure) Figure 2. Sharpness example on image edges. In Figure 1, sharpness is illustrated with a bar pattern of increasing spatial.
  4. Dxomark lens testing protocol and anti bending chart technical lens testing lens testingHow To Test Your Lens B H ExploraEra Lens Testing Sharpness Chromatic Aberration AndLens AlsEra Lens Testing Sharpness Chromatic Aberration AndHow To Test Your Lens B H ExploraThe Certainty Of Sharpness Outdoor PhotographerLens TestingLens AlsEra Lens Testing Sharpness Chromatic Aberration AndSharpness.
  5. The more a lens is stopped down, the more the sharpness will suffer from diffraction and the softer the image will be. Most lenses are at their optimum around f4-f8, at smaller apertures than this diffraction, and therefore softening of the image, will become more and more of a problem. When people talk about diffraction in lenses they often say things like above f8, diffraction kicks.
  6. Lens Sharpness is Subjective. Who knows what sharpness even means? Everyone and no one. When some people talk about sharpness they are referring to overall resolution; others are referring to contrast or micro contrast. There are those who are mostly concerned with how a lens resolves fine detail, while others may place more value on center sharpness or edge sharpness. It seems everybody.
  7. At 200 mm, the lens shows similar sharpness to other good lenses, but degrades rapidly toward longer focal lengths. At 400 mm, the lens shows should resolve 2 times the detail as that at 200 mm, but it resolves only 1.4 times as much. But the picture is not that good: flair has increased significantly. Note the 135 mm image appears smaller. Apparently, the focal length is not 135mm, but.

Sharpness - DXOMAR

  1. Sharpness is certainly one of these qualities, although sometimes what pleases us is sharpness under certain specific conditions (a lens that can do this at ƒ/1.4, for example, is truly impressive, the more so the more lenses you've shot at ƒ/1.4, even though the unusualness of this achievement won't be obvious to the non-photographer viewer). I have to say, however, that it's been a long.
  2. The closer the 30-lines/mm curve is to 1, the better the resolving power and sharpness of the lens. If the MTF graph for a lens shows the 10-line/mm curve to be greater than 0.6 it's considered a satisfactory performer. Lenses for which the 10-line/mm curve is greater than 0.8 deliver excellent image quality. In theory, a perfect lens should be able to transmit all the light that passes.
  3. The biggest reaon for needing lens sharpness is the same as it's always been: (Not being Cartier-Bresson) I crop a LOT. It is also important that the resolution of the sensor and lens match each other. My 8 MP Minolta A2 camera uses the same lens as the virtually identical but only 5 MP model A1, and detail captured was/were not improved. It was time for a better lens on this otherwise.
  4. iaturizing of film formats. It's very difficult for most lenses to look bad contact printed, or enlarged 3X; the smaller the film got, and the more it was enlarged, the more the characteristics of the lens were exposed; so along with the inter

11 Ways to Improve the Sharpness of Your Images (Part 1

Camera Lens Testing- Sharpness, Chromatic Aberration and

Here at Cameracal we are able to offer a service in which we are able to calculate the sweet spot of your lenses, ensuring you are able to use you On one side, a lens should really project a point as a point. I don't think a lens can add sharpness on it's own. Exotic cases in chip lithography may go beyond this On the other side, if the lens projects more detail than the sensor can handle, that will cause false detail. But, photographers seem to care little about false detail as long as it is monochrome. Focusing too much on. I was wondering whether and how much the distance from the subject affects sharpness of the image taken by different lenses (on same sensor). Is there any website or source where such information may be available for Canon lenses

Video: Lens sharpness - DxO PhotoLab - DxO Forum

However, a lens that is capable of sharpness at f/2.8 or faster will often not demonstrate sharpness if either depth of field, focus, or shooting technique are not managed properly. FOCUS: The focusing of your lens is a whole task unto itself when pursuing the sharpest possible results. See below for tips on how to achieve better focus. Unfortunately in many cases, a photographer has a very. The highest line frequency that a lens can reproduce without losing more than 50% of the MTF (MTF-50) is an important number, because it correlates well with our perception of sharpness. A high-end lens with an MTF-50 of 50 LP/mm will appear far sharper than a lower quality lens with an MTF-50 of 20 LP/mm, for example (presuming that these are used on the same camera and at the same aperture.

Home > Lens Reviews. Lens Reviews. Our lens reviews are based on detailed testing in an optical lab and real world shooting. We also provide hundreds of user reviews from photographers like yo PL3 is not showing lens sharpness as aggressively as PL2. Either form a PL2 sidecar or a fresh application of the same preset in PL3. The attachment shows a 100% image detail from PL2 with a preset of various settings applied. The image labeled 3, is the same preset in PL3. Not as sharp. Interestingly if I export from PL3 as a TIFF and open in Affinity Photo the sharpening appears correct. Sharpness Test on the Nikon 10-24mm Lens Shot at 11mm. Notice that f/13 is the sweet spot on this lens and f/16 is the highest aperture that still achieves reasonable sharpness. Wide angle lenses are most commonly used by photographers who shoot landscape photography. Since landscape photography usually demands high apertures to achieve full depth of field, I have shown the most relevant. A lens or sensor can be sharp without having microcontrast — and it can have microcontrast without being sharp. Sharpness is the ability to discern fine details, regardless of contrast The sharpness tests for this review were carried out using a real-world subject rather than a test chart. The Canon EF 50mm f/1.8 STM lens was attached to a Canon EOS 5Ds body, which in turn was mounted on a sturdy tripod. Self-timer mode was activated. Slight tonal changes are due to slight changes in natural light during the session

Does image sharpness come down to the lens or camera

The resolution, or sharpness, of a lens is vital to creating and reproducing quality photographs. Watch as this video breaks down how to diagnose the sharpness of your SLR lenses. Lens sharpness is a simple, but necessary, tool for producing great images. Lens sharpnes issues are more often than not user errors. Fortunately, this tutorial demonstrates the best ways to check for lens sharpness. The lens tests presented here deal primarily with sharpness. Lenses have other attributes that affect image quality: distortion, contrast, flare, uniformity of illumination, color rendition, bokeh (out of focus behavior), etc., many of which are tested by Imatest , but sharpness is arguably the most important contributor to image quality The lens doesn't have severe loss of sharpness at one end of the zoom range or one end of the focusing range (20% decrease in resolution isn't too unusual from the sharpest to softest part of a zoom, but 50% certainly suggests something is wrong.) Most other things are going to be characteristics of the lens, not evidence of a good or bad copy. When you go examine your testing pictures on. See Lens Sharpness for why none of this really matters. Warning Two. I'm only showing a tiny central section of an image. Full DX image, Yucca Arboreal Test Range. Red box shows crop area. On a D3X, the crop will remain the same but the full image would be larger and cover more. These images are all crops from 100% images shot at ISO 200 on my.

The perfect sharpness is not possible on the whole surface of the image. It offers a simple (and rudimentary) mechanical solution to adjust tilt of the image relative to the image plane detector by adding a local thickness of the order of 100 microns at the lens interface. The gain in image quality can be significant with optics giving potentially very fine images (we take the example of Canon. The R5 and R6 results were processed using Canon Digital Photo Professional (DPP) and the same low contrast, low sharpness settings (Neutral Picture Style, Sharpness = 1) as all of the other Canon camera test results included in the comparison tool. Use these results to compare the camera's resolution and sharpness to any other camera tested with the same lens using the same aperture setting. Lens Sharpness. Posted on December 17, 2009 | Leave a comment. I have been reading a lot about the sharpness of the lenses offered in the Rollei family of TLR's. Both of my cameras have the Xenar lens which, when stopped to f8 or higher, is reportedly close in sharpness to the Ziess Planar six-element lens. The above image, taken with a Rolleicord fitted with a Xenar lens seems to confirm. As much as you should judge a lens by its average, you should also know how individual lenses that are sent out at random perform against one another. 5.) Finally, this test is all about sharpness.

You will find that talk about lens sharpness represents probably half the discussions‚ most of it filled with unsubstantiated opinions and mistruths. After 40 years as a professional photographer as well as an ardent amateur, as a teacher and as a journalist, I've learned certain things about photography and photographic equipment, and specific to this topic‚ about lens sharpness, its. Sharpness at 50mm. For this test, the Sony FE 50mm f/1.8 lens was attached to a Sony A7S body, which in turn was mounted on a sturdy tripod. Exposure delay mode was activated. Tonal and colour variances across the crops are due to changes in natural light during the session. The full frame at 50m Lens Sharpness and Contrast. I spent a considerable amount of time testing the Nikon 70-200mm f/2.8E FL VR in the lab. Unfortunately, the two lens samples I tested had all kinds of problems - from pretty severe focus accuracy issues I pointed out earlier and decentering issues, all the way to very noticeable focus shift that made it tough to properly test them Vintage Lens Sharpness List (< $100) I've been collecting quite a few vintage lenses, and I consider some of them to be very good lenses, while others seem lacking. I've decided to create a Sharpness list for these old lenses (most are older than 30 years old, and some are over 40 years old). I should mention the methods I'm using to determine what is (at least according to my eyes. Here are six tips to help you perfect the technique of maximizing sharpness with a telephoto lens. 1. Shutter Speed Selection. One of the biggest hurdles to overcome when shooting with a telephoto lens is camera shake - softness introduced by not being able to hold the camera steady for the duration of the exposure. One of the easiest ways to overcome this is to make sure that the shutter.

Review: Sony 85mm f1

Lenses Database - DxOMar

lens sharpness telephoto tamron reviews. asked Sep 23 '19 at 14:21. iksemyonov. 125 5 5 bronze badges. 1. vote. 2answers 172 views Why does grain increase acutance? The Wikipedia article on acutance claims that a slight amount of noise or grain can increase acutance. Cambridge in Color gives the following demonstration. No noise: With noise, with more acutance: digital sharpness sharpening. Lens Sharpness and Contrast. As expected from a high-end professional lens, the Nikon 70-200mm f/2.8G VR II does not disappoint when it comes to sharpness. When compared to the previous generation Nikon 70-200mm f/2.8G ED VR, it is not only sharper in the center, but also significantly superior in the mid-frame and the extreme corners. This lens performs so well at f/2.8, that you wouldn't. Lens Sharpness. Discussion in 'Nikon' started by sohail_khan|1, Mar 2, 2009. sohail_khan|1. I have visited photo.net since Phillip Greenspun first started this website. It has been and still is one of my preferred sources of reasearching for answers. My first digital camera was the coolpix 995 and then the d70 and now finally the d300 which I hope to use for years to come. I recently acquired.

But I'd like to talk about the topic of lens sharpness' as it seems to be of immeasurable importance to a great many folk on the interthingy. Before you (or I) condemn some lens due to its lack of ultimate sharpness, let us compare that teensy lack of sharpness to some of the OTHER things that coulda also cause lack of sharpness. 1. I didn't go. Man, I was tired. I stayed in bed! 2. I. The Lens Blur filter uses the depth map to determine the position of pixels in an image. With a depth map selected, you can also use the crosshair cursor to set the starting point of a given blur. You can use alpha channels and layer masks to create depth maps; black areas in an alpha channel are treated as though they're at the front of the photo, and white areas are treated as if they're.

Lens Tests. A Simplified Method. This is a simplified subjective method of testing lenses optical sharpness. This should not be confused with tests for focus accuracy and discrimination in a 3D environment, that is a totally different issue although often confused by the inexperienced. A focus accuracy test is suggested here Focus Test. The advantage over this method, compared to just taking a. Generally, a lens has the greatest theoretical sharpness in the center, with the sharpness being reduced in the corners. Tangential & Sagittal Lines. The graph then plots two sets of five different ranges. These sets are broken down into Tangential lines (solid lines on our graphs) and Sagittal (dotted lines on our graphs). Sagittal lines are a pattern where the lines are oriented parallel to. Lens Sharpness Comparison: Sony 18-55 vs. Sony E.16-50 : Sharpness at 50mm. Tested Apertures F5.6, F6.3, F8, F10 : Comparison by Sinan Ozturk . Tweet Comparison Photo # 1 : Photo_3329 Sony SEL PZ 16-50 F/3.5-5.6 OSS . against. Photo_3367 Sony 18-55 F3.5-5.6 SAM . F5.6 1/400 100 50mm. F5.6 1/200 100 50mm. Photo by Sinan Ozturk Photo by Sinan Ozturk 100% (1:1) Crop Samples: Sony SEL PZ 16-50 F/3.

Canon EF 50mm f/1Review: Sigma 30mm f1

Sharpness - Official Minecraft Wik

Sharpness. Some lenses are razor sharp, while other lenses always produce pictures that are a bit blurry—even when the subject is in focus. As a general rule, the more expensive, heavier, and larger the lens, the sharper it will be Prime Lens Sharpness. Discussion in 'Nikon' started by carl_s, Jul 12, 2012. Page 1 of 3 1 2 3 Next > carl_s. Question for everyone regarding a couple of Nikon's fixed focal length lenses. I have a D80 with both an AF-S 18-70mm f/3.5-4.5G DX and an AF 50mm f/1.8D. The quality of the images that I shoot using the 50mm lens is absolutely out of this world. By quality, I mean high sharpness and.

Which One: Canon 50mm f1

Lens Sharpness Test

RE: Lens sharpness. - Message 255295 by sstuart Lens sharpness Sharpness Tip #2: Don't zoom to the extremes. I have never tested a lens that is sharpest at the extremes of the zoom range. For example, if you shoot a 75-300mm lens, you will get sharper photos at 280mm than 300mm. The Nikon 70-200mm lens shoots sharpest at 135mm. I'm sure there are exceptions to this rule, but I haven't seen them personally. This lens has already garnered much acclaim since its release five years ago, being prized for its sharpness. Not only that, but at a fraction of the price of Sony's own Planar T* FE 50mm F1.4 ZA. S-M-C/Super Macro-Takumar 50mm F4 lens reviews and detailed specifications. This macro lens existed in both Macro-, Super- and Super-Multi-Coated variants. The Macro-Takumar w

Review: Sigma 150-600mm f5-6

How to Master Sharpness in photography - Sharpness easy

The sharpness of a lens isn't constant; it changes with aperture, focal length (if it's a zoom lens) and the subject distance. Resolved detail is distinct from resolution. An out of focus image shot with a modern DSLR will have a very large resolution but no resolved details. Sharpness is typically measured in line pairs per millimetre (lppmm) or by the size of the blur on the sensor in. Ever gotten your images off the camera, zoomed in to 100%, and been a little disappointed with the results? Ever had a hard time figuring out what went wrong? In this series, we'll look at the pri

Enhance the sharpness of your camera with DxO OpticsPr

Leica 100-400mm@350-Old-D1654481.jpg. Leica 100-400mm@400-Old-D1654484.jpg. Leica 100-400mm@400mm-D1654475.jp Nikon Lens/Body Compatibility Sharpness What is Sharpness? What is Micro Contrast? What is Tack Sharp? Macro Information. Macro Lens Working Distances; Lens Reviews. About Lens Reviews; Nikkor DX Lens Reviews. 10-20mm f/4.5-5.6; Nikkor 16-80mm f/2.8-4E DX; Nikon 16-85mm f/3.5-5.6G Lens Review; Nikkor 17-55mm f/2.8G DX ; Nikkor 18-70mm f/3.5-4.5G DX; Nikkor 18-140mm f/3.5-5.6 DX; Nikon 35mm f.

19mm F2

sharpness - Traduction française - Lingue

Afternoon all. Just taken the same shot with the same settings but all with different lenses. Was really just an experiment to see what would be the sharpest. Please let me know what you think. Untitled by ts446, on Flickr Untitled by ts446, on Flickr Untitled by ts446, on Flickr.. Astigmatism Factor is a metric which indicates how the sharpness compares in two perpendicular axes of analysis. A value that deviates away from 0% can indicate asymmetrical lens distortion. If the measure of sharpness in the horizontal direction is equal to the measure of sharpness in the vertical direction, the astigmatism factor will be 0% Petzval Lens Sharpness Test - Voigtlander vs. Dallmeyer vs. Scovill Peeless vs. C. C. Harrison vs. Darlot Petzval Lens Test - C. C. Harrison vs. Dallmeyer 3B vs. Voigtlander vs. Darlot vs. Scovill Peerless . There's been some online discussions regarding quality of Petzval lenses and it prompted me to do this little test. Some people were saying that this brand is better than that one. This sharpness has an edgy, digitized and nervous quality about it. When I look at images from my Minolta primes or beercan, I can best describe them as smooth and clear. There's something natural or analogue about them. If want to pump up the unsharp mask in Photoshop, there's tons of pop. But it's not sharpness that defines them or gives them what I feel to be a higher image quality Lens sharpness. Home > Pentax User Forum > Lenses for Pentax Cameras Forum > Lens sharpness. Add Comment Back to Forum « ‹ 1; 2; 3 › » Mongoose Member. 2,891 posts. 13 years Wiltshire, England. Link Posted 27/10/2009 - 15:26 my feeling is that Oggys shot looks like subject movement. I could be wrong, but TBH I'd be disapointed with that level of sharpness from my FA 80-320 so I reckon it.

I've already reported on the great news that the Sony 135 STF (apodized) A-mount lens covers the GFX sensor with zero vignetting. Now I'm going to look at sharpness, both on and off axis, using a slanted edge and a Siemens Star for a target. Here's the scene: And here's just the target area, as seen wide open with the GFX 50R, first in the center: And in the corner: Particulars: ISO. Lens Sharpness -The Never-Ending Quest. 5117 Post Views [since March 16, 2019]: Filed Under: Tutorials, Understanding-series Tagged With: member-only. Tweet. Stay up to date! Sign up to receive an email when a new article is posted. Sign Up Now. Michael Reichmann. Michael Reichmann is the founder of the Luminous Landscape. Michael passed away in May 2016. Since its inception in 1999 LuLa has. Photography forums to discuss digital photography, film photography, photographers, techniques and cameras and equipment, along with advice on buying and using cameras A lens will deliver its best sharpness only at one very specific distance - the one at which it is focused. Any objects at different distances will be blurry. You can close the aperture to reduce this blurriness of out-of-focus objects, but however much you stop your lens down, still the sharpness will be best at the distance the lens is focused at. The depth of field markings on many lenses.

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