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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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2answers
196 views

What advantages does the Canon EF-S 18-55mm III have over the IS II version?

I was wondering if the Canon EF-S 18-55mm III lens had any advantages above the EF-S 18-55mm IS II, which has image stabilizing. The III seems to be a newer version, but hasn't got stabilizing. Will ...
4
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3answers
1k views

What does “R” mean in Fujifilm's XF Fujinon lens names?

Fujifilm currently makes three lenses for their new X-Pro1 mirrorless camera system: Fujinon XF18mmF2 R Fujinon XF35mmF1.4 R Fujinon XF60mmF2.4 R Macro "Fujinon" is Fujifilm's lens division. The ...
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4answers
2k views

Which is the better lens: Canon 28-105 or 28-135?

I have a very old (18 years or so) Canon 28-105 3.5-4.5 USM lens. I bought it for my Elan 2e and then 7NE, and then used it on my XTI. I thought it took great pictures. Now i'm shooting the Canon ...
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3answers
135 views

What were important things you took into account when purchasing your first camera and lens? [closed]

Ok I am ready to purchase my first serious camera. I owned a FujiFix s1800 but didn't like the quality of the headshots I took. Headshots would be the main reason for purchase but I'd also like to ...
4
votes
2answers
120 views

Is it possible to DIY adjust the focus ring distance scale of a lens?

I have a particular lens in mind, but is it generally possible to do this adjustment? Of course there are a lot of lenses that don't have any distance scale to begin with. Many lenses have the scale ...
1
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2answers
83 views

What can cause different aberration on left side and right side of photo?

I got a photo of starry sky where I find different kind of aberrations on the left side and the right side of photo. It seems consistent in various photos so far, but this lens is quite new to me and ...
0
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1answer
126 views

k mount lens to a 58mm thread camera [duplicate]

Possible Duplicate: How can I use Pentax lenses on a Lumix FZ18? I found this 3 old lenses from a ricoh kr10 camera which I really liked a lot. The problem is that that camera doesnt work ...
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3answers
95 views

At what distance from the lens will the image be in focus given a subject distance and focal length? [closed]

I've been trying to figure this one out for more than an hour now and I have no idea how to calculate this... You capture a picture of a tree which is standing 3m away from the camera. The focal ...
-4
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2answers
268 views

Which Lens is better to use for portrait photography? [duplicate]

Currently am using Canon EOS 600D with 18-55 mm lens. I am concentrating on portrait photography . i need some suggestions for the lens that i can use for it.
0
votes
3answers
715 views

What to do when my camera says “lens error”?

I have a Canon PowerShot A3100IS digital camera. I was taking pictures but turned it off with the lens still open. I turned it back on, it loaded then made a beeping sound then a black screen came on ...
0
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2answers
310 views

What is the best camera and lens to buy as a gift? [closed]

My husband owns a media business and I want to buy him a great camera as a gift. I was thinking of buying him the 5D Mk III, but it does not come with lenses. Is that a good camera to buy him and what ...
1
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2answers
422 views

Dropped camera, now lens won't attach to body - How much for repairs? [duplicate]

I dropped my Nikon D3200. Camera still turns on, but the lens wont attach to the body. It looks like something at the bottom of the lens might be broken; not the actual lens, but a small black circle ...
2
votes
3answers
402 views

Can I use a Pentax lens on a Canon body?

I have a SMC Pentax-M 50mm 1:2 prime lens and a Pentax MC auto 28mm 1:2.8 from my dad. I have been looking at two film cameras lately, the Pentax MG and the Canon AE-1. If I buy the Pentax MG I know I ...
3
votes
3answers
380 views

Are lenses like this actually available?

Is a lens like the one below actually available? This is a screenshot from a movie. The photographer in the movie uses this lens to covertly photograph the scene happening to his right using this ...
7
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4answers
1k views

What specifics does a street style/detailed photography camera + lens need to have?

I have about 1000£ to spend on a new camera and lens. I will be doing Street style photography and portraits. What does a camera for this use case to have? What lens / how many mm is best for ...
2
votes
2answers
391 views

How important is it that the Canon 50mm f/1.4 lens does not return distance data?

I read at the photonotes website that the Canon 50mm f/1.4 USM lens does not return distance information to the camera, to be used for E-TTL II. How important is this, and should this be a ...
8
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5answers
3k views

Will a lens with a low aperture value give me better portrait photos?

I want to take pictures of people from 5-20 feet away. I attend lots of group events and am free to walk around and snap photos. I just purchased a Canon t3i and it comes with a 18-55mm kit lens. The ...
-1
votes
1answer
72 views

what is the canon 18-55mm IS lens good for? [duplicate]

is the canon 18-15mm lens good for self portraits and nature pictures {trees, leaves, DETAILED rain or snow} ?
0
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4answers
1k views

70-300 vs 55-200 for a Nikon D3200

I own a Nikon 18-55 VR and a v 55-200 (no VR). I love zooming as much as I can, but I have a very limited budget. I am not a professional, so I am learning through experimenting with my camera. An ...
0
votes
2answers
114 views

What kind of lens are used in mobile phones?

Usually what kind of lens are used in mobile phones. I mean of the types similar to convex, concave etc.. Are they fixed focal length usually? How do we get the focal length of camera from digital ...
0
votes
4answers
671 views

What is the most versatile lens for the Sony NEX-6? [closed]

I received a Sony NEX-6 body (no-lens) over the holidays this year and I am looking to find the right lens to match. I am searching for the most versatile lens available for this camera. In other ...
8
votes
3answers
13k views

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?
13
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2answers
2k views

How iPhone 5S can have such a big aperture? f/2.2?

I thought that in order to have a big aperture such as f/2.2 a big amount of light should be able to enter to the sensor and in order to do it, a big lens was needed. How is it possible that in the ...
2
votes
2answers
146 views

Does sensor size dictate lens size with all other things equal?

Background I'm considering switching from DSLR to mirrorless and have been researching the micro four thirds (M43/MFT) and Sony's new Alpha 7 (A7). While Sony hasn't released many lenses for this new ...
9
votes
8answers
5k views

What is the fastest lens available for a DSLR?

I've seen references to f1.2 lenses. I was wondering, are there any faster lenses available for a DSLR mount?
2
votes
1answer
84 views

What lens hood will fit Canon 80-200 f/4.5-5.6 (original)?

My in-law wants a lens hood for his Canon 80-200 f/4.5-5.6. This is the old version of this lens he inherited from someone, not the "II" version or USM version. I think the lens hood that will fit is ...
1
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2answers
178 views

Nikkor lenses: is there any means to know if a lense mount is in metal or plastic

In general, cheap Nikkor lenses mount is in plastic (like the 18-55 provided in some bundles) and many others are in metal. I tried to find the documentation of some lense but on the Nikon page it ...
5
votes
4answers
5k views

Can I use Minolta Maxxum lenses with Sony Alpha cameras?

I have an old Minolta Maxxum 7000i AF-SLR camera from early 90s. I have a complete set of lenses, filters, etc., I found out that Sony ultimately ended up buying Minolta, and developing their alpha ...
0
votes
3answers
1k views

Should I choose the AF Nikkor 50mm f/1.4D or AF-S DX 35mm f/1.8G?

I have D5000 DX body and planning to buy a fast lens. I'm stuck on choosing between "AF NIKKOR 50mm f/1.4D" and "AF-S DX NIKKOR 35mm f/1.8G". I was quite leaning towards 50mm f/1.4D, as I had plans ...
2
votes
2answers
241 views

What is causing the strange lighter circles in images taken with my Canon 15-85?

I took these pictures with my Canon EF-S 15-85mm f/3.5-5.6 IS USM lens this morning: Would somebody please tell me that what is that white part in the lower right corner of the picture? EXIF info: ...
6
votes
2answers
241 views

What are the lens-mount benefits of mirrorless systems?

There are plenty of comparisons between DSLR cameras and mirrorless/EVIL/system cameras, and the overall picture is that the two systems target different users and different uses. But I'd like to ...
2
votes
4answers
1k views

Good value, fast, budget lens for a Pentax DSLR?

I'm looking to get a good, and reasonably fast lens for my K200d. I'm mostly looking at zooms because I only have the kit (which I find just too slow for most of my shooting) and a nice Sigma 70-300 ...
1
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4answers
643 views

What are the best lens options for Street photography for Sony alpha mount

I have a Sony a57. What are the best suitable lenses for Street Photography compatible with this camera.
1
vote
3answers
395 views

Will the Nikkor 55-300mm/f4.5-5.6 lens work with Nikon D5200?

I need to know if Nikkor 55 mm - 300 mm f/4.5 - 5.6 Super Telephoto Zoom Lens will work with my Nikon D5200 camera. Thanks.
17
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5answers
641 views

What is an ultra-wide lens?

What is the point at which a lens is considered "ultra-wide angle" vs just wide angle?
0
votes
3answers
157 views

slow glass vs. fast glass [duplicate]

I have two L series lenses 24-70 and 14mm and am in need of a longer lense (70-200 or 70-300)my question is since I shoot mostly landscape from a tripod is it worth the expense to go to the L series ...
12
votes
2answers
235 views

Is it a bad idea to activate lens-corrections in camera, when also use lens-correction in Lightroom?

My EOS has the option to correct known lens-aberration which is activated at the moment. I use Lightroom (5.2) for post-processing, which can also correct lens-aberration. Is it a problem to ...
2
votes
4answers
190 views

What improvements I could expect upgrading from Canon EF 55-250mm IS to a Canon 70 - 300mm? [duplicate]

I enjoy taking photos with my current telephoto (55-250) but I wonder if the 70-300 could be a worthwhile upgrade. As of November 2013, it would be around a $350 investment if I deal hunt and sell my ...
2
votes
4answers
507 views

What is the difference between Nikkor D type and G type lenses?

I recently bought a Nikon D5100. And along with this camera, I got the AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR lens as kit. It's "G" type lens, right? One of my friend suggested to buy a 50mm f/1.8D ...
63
votes
9answers
3k views

How much do lens lineups vary across DSLR platforms?

I was reading this question and recalled how often I hear the advice "choose your lenses and then choose the body that matches" in the context of deciding on a camera platform ...
7
votes
4answers
291 views

Lenses for fast-paced environment

What two lenses should you carry to be able to take a majority of shots in a fast paced environment? Or more specifically: I just watched a documentary on PBS about Pete Souza, the current White ...
18
votes
12answers
14k views

How does the lens diameter influence photo quality?

I have tested two different 50mm lenses in my camera. One was a Nikkor 50mm ∅52mm. The other one was a Sigma 50mm ∅72mm. I took some pictures with both lenses using the same setup for aperture and ...
8
votes
4answers
529 views

What is the technical name for a zoom lens which has a fixed maximum aperture?

What is the technical name for a lens which has the same maximum aperture throughout the entire zoom range?
0
votes
0answers
132 views

Where can I find a service manual for Tamron AF 28-300mm f/3.5-6.3 XR LD Aspherical Macro Zoom Lens (for Nikon)?

I'm a photographer from Sri Lanka. I disassembled my Tamron AF 28-300mm f/3.5-6.3 XR LD Aspherical Macro Zoom Lens (for Nikon) to clean it myself. But now, it's difficult for me to reassemble it. I ...
6
votes
2answers
487 views

Which Zeiss lenses are actually made in Germany?

Recently, I used a Zeiss Makro-Planar T* 2/100 ZE only to find a big "Made in Japan" marking on it. Which of their lenses are made in Germany, and does it matter if it's made there vs. Japan?
0
votes
1answer
67 views

Which should be the next upgrade? [closed]

I own Nikon D5100, with 18-55mm lens kit. I am thinking of buying a new lens. Which is good? I am more of interested in portrait and natural photography. Also which filter works well for these ...
27
votes
4answers
10k views

What is a macro lens?

I've read a few threads on here that mention some elementary descriptions of macro lenses and found some marketing fluff in the box for my Canon about them as well, but being a complete novice I was ...
21
votes
4answers
1k views

Do the Lightroom lens correction tools make good lenses less important?

Lightroom has Lens Correction tools such as Distortion, Vignetting, Chromatic Abberation, etc. depending on the brand and model of lens. Due to this feature, is it less relevant what the distortion ...
0
votes
2answers
101 views

Lightroom lens information incomplete for Sigma lenses

When I import my photos in lightroom, the ones taken with Sigma lenses does not show the exact model designation contrary to Canon lenses that are presented with the full information. On my sigmas ...
12
votes
6answers
666 views

What lens characteristics contribute to attractive lens flare?

Some lenses give really harsh and unwanted flares. Some gives beautiful flares that add depth to an image. What's the science behind this?