Questions tagged [lens]
A photographic lens is used to focus the light onto film or a digital sensor. Many cameras have interchangeable lens systems, allowing the photographer to choose the type of lens to use.
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How to select lenses for outdoor sports photography?
I would like to get into sports photography, and would probably want a better telephoto lens so I can get better close up shots.
What other factors should I keep in mind as I make my choice? Does IS (...
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Is it better to upgrade Canon 18-55mm IS kit lens to the 18-200mm, or complement with 55-250mm? [duplicate]
I currently have the Canon EOS 550D with the 18-55mm IS kit lens. I am primarily looking for greater telephoto reach, as I have found the 55mm length to be quite limiting at times. So, I was ...
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How can I get maximum DoF with no distance markers?
I am aware of what hyperfocal distance is and the general principles behind it. However, most of the tutorials I have seen and read regarding it make use of lenses with focus distance indicators. ...
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How can I compare the lens serial number from the EXIF of a picture, to the serial on my lens?
I have a Canon EOS 85mm f/1.2 L II lens. I sold it to someone, they claim it was broken and sent it back. I am trying to prove that the lens I sent to them, is not the one they returned.
From http://...
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Do cheap filters have an effect on image quality?
Do cheap lens filters (UV, ND, CPL) affect image quality, color reproduction, sharpness, etc.? Do they really offer protection?
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Best lens for taking pictures of surfers
I'm just trying to decide which new lens to get. I need to take surf and windsurf photos from onshore. Sometimes 300 mm is enough but there are many times they are too far away. I have a sigma 70-300 ...
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Wide Angle Lens on a Step Down ring?
I'm a beginner at photography and own a Canon 20D with two lens; a 50mm prime and a 17mm-85mm zoom.
I've purchases all my filters at 67mm to fit my zoom lens and use a 52mm - 67mm step up ring to use ...
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Do lenses affect color fidelity?
It seems to me that my costlier (Tamron 90 f/2.8 macro) lens gives better colors than my cheap Canon 18-55 IS kit lens.
So does lens matter for color quality? What physical processes are involved in ...
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How does using a lens with some focal length on a full frame camera differ from using a lens with "equivalent" focal lens on a crop camera?
As an example, a 35mm lens on a crop body (such as Nikon DX) is said to be "equivalent" to a 50mm lens on a full frame body. Equivalent here means that they will have the same field of view, but what ...
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Will a lens upgrade from the kit lens give me better colors on my backpacking travels?
I currently have the Nikon D5300 along with the kit lenses (18 - 55mm). I use it for my backpacking travels to make better shots than with the smartphone, but what I've noticed is that the photos are ...
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Can I control the aperture of a F-mount lens with aperture ring from the camera body?
If I buy a lens with a manual aperture ring like the Nikon AF 50mm f/1.8D, then does that mean that I can only control the aperture on the lens? Or can the camera control it too? I want one with ...
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Does an APS-C lens label itself with effective or true focal length? [duplicate]
I'm not sure if I've phrased this correctly, but I've just purchased two prime lenses:
Nikkor 50mm f1.8/G (FX)
Nikkor 35mm f1.8/G (DX)
I know that the effective focal length of the 50mm FX lens is ...
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What is the difference between DX format and FX format lenses, and which to choose for what purpose?
http://www.nikon.co.in/products.php?categoryid=1011
What is the difference between DX format and FX format lenses, and which to choose for what purpose?
What are the pros and cons of both?
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How to lock aperture using Reverse ring with Canon 600D?
Is there anyone using reverse ring and know how to lock the aperture.
I tried doing the techniques provided on youtube. First connecting the lens on original positions then lock the aperture by ...
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What Canon lens would be good for shooting high school/college sports? [duplicate]
I take a lot of pictures of my sons playing High school baseball (and at times lacrosse and soccer). And a lot of my sons' travel baseball games.
I have a Canon Rebel EOS XSi (450D) which of course ...
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What can a fisheye lens be useful for?
I have a variety of lenses in my camera kit. One that I do not have, and has me curious, is a fisheye lens. I mostly understand what it does: it captures an image with distortion similar to what you ...
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When you zoom in with a lens on an SLR why does the lens go in then out?
I guess this is more a question of optics than photography but I just got an SLR with a basic 18-55 lens. I noticed that when going from 18 to 55 or 55 to 18 the lens physically comes back in and ...
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What is a zone plate?
I was looking into alternative methods of photography and I happened upon something called a 'zone plate.'
Three questions:
What is a zone plate?
How does it work?
What can I do with it?
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What is the effect of a scratched lens?
I have a lens with a small but significant looking scratch near the center. But I don't see any difference in the photos. Where does the imperfection show up? How important is it to get the piece of ...
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How do I get a stuck screw filter off of my lens?
There is a UV-filter screwed on my Canon 16-35mm. For some reason, I'm not able to get it off the lens.
Does anyone has a simple but safe trick?
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What's the difference between a regular lens and a macro lens? [duplicate]
What is the difference between a 100mm lens and 100mm macro, or 50mm and 50mm macro?
Can we use a macro lens to shot portraits? If yes, what focal length is the best? Please suggest a Canon macro ...
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Will using a lens at max aperture ("wide open") result in poor images?
I’m looking to add a second lens to my kit lens I got with my Nikon D7000.
I have read several reviews on both the 35 and 50 mm lenses made by Nikon in particular that said using either lens at the ...
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What is USM, and what are its pros and cons?
My Canon lenses have the designation USM on them, which I assume is for the same reason that they say "Ultrasonic". What does this mean, and why or why do I not want it?
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What is a parfocal lens and how beneficial is it to photography?
I heard someone say that after using a parfocal lens for the first time, they would never switch back. What is a parfocal lens, how is it different from any other lens, and what are the advantages and ...
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Does an ultra-wide lens perform well in landscape photography?
I own a DSLR for less than a year, currently shooting with my Nikon D90 and 18-70mm DX lens. Since the beginning of it, I am deeply in love with shooting landscapes photography: seascapes, skyscapes, ...
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Is it possible to adapt lens from one brand into another brand's body? [duplicate]
I'm thinking about buying my first DSLR (I have no experience) and was thinking about the lens brand issue. I'm thinking I should buy a Pentax Kx because of it's cost-effective value, but I'm ...
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Would the 40mm pancake or 50mm prime be better for street photography with a Canon APS-C camera?
I have a Canon EOS 600D, and I already have 18-55mm,55-250mm.
I plan to buy a new lens for street photography.
I already have picked out one of the following lenses:
40mm STM(pan cake).
EF 50mm f/...
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What size lens is recommended for flying bird photography?
My wife has a Canon 450D and a 70-300 lens for long distance shots.
I am considering a present or two and good advice from jrista suggests possible upgrade of camera to a Canon 7D and of lens to a ...
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Really? Why does a Nikkor 35mm f/1.4 cost almost $2,000?
I am trying to price out a 35mm f/1.4 lens for my Nikon D7000, and I am shocked to find that B&H sells them for almost $2,000, whereas the f/1.8 sells for a couple hundred.
Am I looking at the ...
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How close can a lens focus?
From my understanding, if you want to do some macro photography it is better to have a lens that can focus when it is really close to the subject. Sometimes people buy extension tubes to help them ...
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How many optical aberration types are there in lenses? And what are they?
Everyone hears something about chromatic aberration but are there any other types? What causes them?
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What are Barrel and Pincushion distortion and how are they corrected?
I have some questions regarding barrel distortion and pincushion distortion. Since they are related I have put them in single post.
I am aware that barrel distortion
occurs more in wide-angle
lenses,...
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Is the camera sensor or the lens the limit to resolution?
I have a pretty high res sensor on my camera, but sometimes I have the feeling my lens doesn't even get to this resolution. How can I tell if my camera sensor has not enough resolution or if the lens ...
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Would it be better to use a 35mm prime instead of a 50mm prime on a cropped sensor body?
It's said that 50mm is close to what the human eye sees and is a very versatile focal length in general, especially good for street photography which is what I'm most interested in. That being the ...
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Lens with small scratches on the front element - how do they affect IQ?
I am looking to buy a CANON 28mm 1.8 EF lens. I found an offer, significantly discounted, of a lens with small scratches on the front element.
The offer is very tempting. Here is a photo posted by ...
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How to shop for a lens filter?
What should I consider when shopping for a lens filter?
I see filters that range from $15 to $115 and more. What are the differences between the $15 and the $115 filter?
I'm asking in the ...
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Do lenses have focal planes or focal spheres/ellipsoids?
The title says it pretty much all. I'm asking this because I find myself always using the focus point in the center, and after I focused, I rotate my camera to make the framing right. However, if ...
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Can I use the lens from Canon AE-1 on a Canon EOS DSLR, with an adaptor maybe?
I have a Canon AE-1 (film) and I bought a digital slr camera Canon EOS 60D. I have lenses from the AE-1 camera, but I don't know if there are some adaptors to use so they fit in the 60D camera... any ...
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What to look for in a wide angle lens?
My girlfriend owns a D5100 and I own a D7000 for which we both share lenses (or try to when appropriate). I own the 18-55 kit lens, a Nikkor 50mm 1.8g (I may consider buying the inexpensive 50mm 1.8d ...
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Should I buy a Canon 55-250mm lens or 70-300mm for my Rebel T3i? [closed]
Should I buy a Canon 55-250mm lens or 70-300mm for my Rebel T3i? I have the basic 18-55mm lens that came with my camera but I need a next step up that's not too expensive.
What are the most common ...
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STM vs Non STM lenses for still photography?
If I am looking for a lens for still photography , then does an STM lens have a benefit over non-STM lenses?
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Looking for a good, cheap entry-level telephoto lens for Nikon D5100
I currently own a Nikon D5100 with the 18-55mm kit and am looking for a good, cheap entry-level telephoto lens.
I'm a beginner, and plan to do wildlife, nature and landscape photography with an ...
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Will there be any difference in photos taken using full frame and crop lenses on a crop camera?
I see a lot of questions comparing full frame (e.g EF for Canon, FX for Nikon) and crop lenses (e.g. EF-S for Canon, DX for Nikon) but I can't find the answer to what would be the differences between ...
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Possible to lock focal length on zoom lens? (SELP1650)
(This could turn out to be a bone, practical, product-specific query, but this is the internet so the worst that could happen is a 0 rather than a 1.)
Anyhoo: is it possible to lock a zoomable lens ...
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Lens cleaning pen - disappointed by results, is this working right?
I just got one of these for the first time, a lot of threads on here recommend them and they seem like a great idea. Bought a Nikon one from amazon for $8 and while I really like the brush it seems ...
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Do lens hoods need to be matched to focal length?
Is it true that not all generic lens hoods work on all lenses (provided the filter diameter matches, of course)? I read that the focal length plays a role in it - but I cannot find such readings on ...
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How can one use a reversing ring with Nikon G lenses?
So, this blog (credit to mattdm for pointing it out) says:
Firstly, when you turn the lens around you obviously lose the CPU connection between the lens and the camera, so say goodbye to autofocus, ...
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How can I remove scratches from a lens?
How can I clean a lens (fisheye) scratches?
I heard about
peanut butter
rubbing alcohol
car paint scratch removal solution
any other? like an abrasive tool etc
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I changed my camera lens while my camera was on [duplicate]
I changed my camera lens while it was switched on. It was my first time doing this because I usually switch off my camera and change the lens but this has been the first time I've changed the lens ...
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70-200mm lens: Canon or Sigma? f/2.8 or f/4?
I was thinking of buying a Canon EF 70-200m f2.8 mk1 (I would love to buy mk2 but here's a noticable difference in price, at least in my country), but after awhile I came to the conclusion that this ...
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