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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.

learn more… | top users | synonyms (1)

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2answers
138 views

Would a 50mm lens be a useful addition to my current set of lenses? [closed]

I have a Nikon D700 Nikon 28-300mm lens Nikon 16-35 mm Samyang 14 mm lens I have an opportunity to purchase a Nikon 50mm f1.8 AFD lens. How useful would this lens be in combination with the above ...
0
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1answer
157 views

How is the quality of the Sigma 18-300 DC Macro lens?

I'm considering the less expensive Sigma 18-300 DC Macro lens vs. the (way) more expensive Nikkor 18-300. Would I be losing the gains by buying a 24 MP Nikon 3200 if I went with the Sigma?
0
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0answers
56 views

help me to decide between these [duplicate]

I read a lot of answers posted by you on stackexchange and i am big fan of yours knowledge and yours photography. I am new to photography and want to buy a DSLR body, i don't know much about ...
11
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2answers
1k views

Does a greater optical zoom range on a lens mean less image quality?

I have read that big optical zooms of let's say 10X do not produce excellent image quality. Is this true even nowadays, as there have been many technological improvements in this area? For example, ...
0
votes
1answer
123 views

What's the practical difference in an image taken at focal length of 200mm vs 300mm? [duplicate]

I'm confused about the 200mm and the 300mm zoom ranges. I am looking for some examples of the same subject, in order to visualize the difference between 200mm and 300mm focal lengths. I want to ...
3
votes
6answers
371 views

How to cover all your needs with just one lens?

I have read lots of articles that argue that the less you carry with you on trips or in everyday life, the faster you will be taking photos and you will take full advantage of your gear. However, how ...
0
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4answers
125 views

What is a standard kit lens?

I know what a kit lens is, but I am wondering what a standard kit lens is. There is a post for what a kit lens is, but I couldn't find a post on standard kit lenses. Standard or normal, in general, is ...
1
vote
1answer
97 views

Can a lightweight telephoto zoom lens fulfill my expectations of excellent image quality? [closed]

I am interested in purchasing a Canon, light, in terms of weight, telephoto zoom lens. I would like excellent image quality though. Are my expectations far from real? My future lens is purposed for a ...
0
votes
2answers
81 views

Camera body vs lenses - which is more important technically? [duplicate]

I am writing an article for a case study, explaining which one is more important in Photography, either the camera body or the lenses, and in which, one has to invest more? This is a technical ...
2
votes
2answers
188 views

Why there is no full-frame lenses with leaf shutter?

I see that many medium format lenses are made with leaf shutter, which allow much faster flash syncing speeds, so why no one puts them in FF lenses then?
7
votes
3answers
417 views

Is it possible to get a lens that will capture both far away and very close-by objects?

I have Sony A58 with 18-55mm standard lens. It's been almost 6 months that I have been using it and now I have started to feel that I can't either far away objects or very close-by objects with crisp ...
9
votes
3answers
500 views

Why are exposure settings different while using different lenses under the same lighting conditions?

I was shooting a scene, using a Canon 28mm 1.8, and after a few seconds I switched to a Canon 100mm 2.8, and the in-camera meter was suggesting different exposures! Why does this happen? Is this ...
1
vote
3answers
255 views

What do I need in a lens for studio portrait photography?

I'm going to start in photography and I'm looking to build a home photography studio. I'm planning to get a Canon 60D (wished for a 7D though). I'd like to find out what are the recommended lenses for ...
0
votes
2answers
98 views

Do you carry your photographic equipment wherever you go? [closed]

I firstly want to apologize if a similar topic has been already discussed. I made a quick research and I couldn't find anything similar. I would like to ask you whether you carry your camera ...
2
votes
1answer
181 views

What is the largest aperture on a commercially available lens? [duplicate]

Out of pure curiosity, what is the largest aperture, or lowest f-stop, a commercially available lens has. I have seen the 50mm prime lens from canon with 1.2, but not lower than that. What are the ...
5
votes
3answers
4k views

Why aren't there Tokina lens profiles in Lightroom, and how do I get one for mine?

I have a Nikon D90 and a Tokina 11-16mm. I want a lens profile for Adobe Lightroom, and it seems they have all known brands out of the box but Tokina. Why is that? How can I add a profile for my ...
3
votes
3answers
86 views

Cleaning stains left by frost from the front of a lens

I just returned from about 3 days of shooting at night when the temperatures would start around 50 F and would drop to 18 F leaving a frost on the ground. The lens hood did a decent job acting as a ...
1
vote
4answers
2k views

What is the difference between these various Nikon zoom lenses?

Nikon AF-S 18-105mm f/3.5-5.6 DX G ED Nikon AF-S 16-85 mm f/3.5-5.6 DX G ED The second one costs twice as much money as the first one, but what's the benefit of choosing the second one? Same with ...
2
votes
2answers
81 views

Can you mount lenses from a Canon T70 on an EOS 550D body?

Sometime ago, I was fortunate enough to have been given a Canon T70 35mm and several lenses. I've now just bought myself an EOS 550D (T2i) and wanted to know if anyone has any experience of ...
0
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0answers
31 views

Help is needed in Fixing Canon lenses USM's focus motor [duplicate]

I have the Canon EF lens, but the USM motor looks dead. I need help in order to get it fixed so I can use this lens again. Unfortunately a "focus by wire" system is used in this lens and I have no ...
4
votes
4answers
318 views

Any help on suitable milkyway lenses

I'm looking at buying a new lens for some night photography out in rural Australia. I'm in the middle of a national park for the next 6 months so light pollution isn't an issue and the skies are too ...
1
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3answers
172 views

Is the Nikon 55-200mm f/4-5.6 a good lens for sports and wildlife photography?

Is this lens good for wildlife and sports? Im getting a nikon D5100 And my brother plays soccer and I'm in gymnastics. I love taking pics of sports. Is this lens good enough?
0
votes
2answers
120 views

Nikon 55-200mm or 50mm

Im getting a nikon d5100 in a week or so, And i was woundering which lens to get with it? Im stumped this will be my first dslr and i know nothing about lenses. And i have a budget of $200 for a ...
23
votes
5answers
2k views

What are the most notable differences between Canon and Nikon lenses?

I'm currently considering to buy one of the next generation enthusiast DSLRs. Either a Canon EOS 60D or the slightly more expensive Nikon D7000. I'm quite new to the SLR discussion but I know there ...
1
vote
1answer
227 views

Best camera + 2 lenses to take on around the world backpacking trip? [closed]

A little background: I used to take photographs all of the time and even had my photos appear on the cover of local magazines and inside of local newspapers when I was in high school. I've also ...
3
votes
1answer
179 views

How can I vertically shift a Tilt-Shift lens in vertical (portrait) position?

I have a Canon TS-E 24mm f/3.5L II mounted on a Canon 5D Mk3. When I want to shoot a building tall enough without introducing distortions, I put the camera in landscape position, I shift my lens up ...
6
votes
2answers
175 views

Lens rental opportunities in the US

Okay, I am trying to edit this question. I am going to New York very soon. I have never been in the US, so I have no clue how lens rental work. There are many sites offering lenses for rental, some ...
0
votes
1answer
67 views

Is there a budget fish-eye for Pentax Q system?

I currently use a Pentax Q camera with the standard lens and I was wondering if anyone knows of a budget fish-eye lens that will fit the Q. I know Pentax does an official fish-eye lens but it's around ...
10
votes
8answers
2k views

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 ...
19
votes
4answers
9k views

Why is the aperture ring removed from new Nikon lenses?

Maybe I'm wrong, but I notice that Nikon's newer lenses don't have an aperture ring. For example, an older AF 35 mm f/2D is now replaced by AF-S DX 35 mm f/1.8G, or AF 50 mm f/1.8D is replaced by a ...
6
votes
6answers
4k views

Would the Tamron 18- 270 mm F/3.5-6.3 Di II VC PZD make a good choice as my second lens?

I have a Canon 50/f1.8. I am looking for a zoom lens. After much research, I have zeroed in two lenses as my second lens: either Tamron 18-270 mm F/3.5-6.3 Di II VC PZD or Canon EF75-300mm f/4-5.6 III ...
26
votes
7answers
994 views

Is it ok to breathe on the front glass element of a lens to fog it and clean it?

Nikon specifically recommends not breathing on the glass elements to clean them as harmful acids in the breath can damage the coatings on the glass. However, I've read on many other websites that it ...
3
votes
2answers
237 views

How can you photograph backlit scenes without getting lens reflections/flare?

I've been doing a lot of late afternoon photography and the weather has been pretty clear so the sunset has been a large influence over the pictures I've been taking. One problem I've been having is ...
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votes
2answers
213 views

Best and cheapest lenses for wildlife photography? [closed]

What are the best and cheapest lenses for wildlife phototgraphy? I recently got a Nikon D3100 and would like a new lens for wildlife photography. Any suggestions would be helpful!
3
votes
2answers
181 views

How to compare the speed of lenses taking transmission into account?

When comparing the speed of two lenses, you almost exclusively hear about the maximum aperture. This of course makes sense, since at a certain lighting condition, a larger aperture in general allows a ...
5
votes
3answers
4k views

Why does my Canon 7D get blurry pictures with a 70-200mm f/2.8 IS (series 1)?

I'm wondering if it's normal for a Canon 7D with its crop sensor to get unsharp pictures with a 70-200mm 2.8? I just bought a used 70-200 and it seems a little bit blurry. Maybe it needs calibration? ...
16
votes
2answers
794 views

How do lens lineups vary across Mirrorless camera systems?

We often hear advice like ""choose your lenses and then choose the body that matches". We have great information on DSLR systems at How much do lens lineups vary across DSLR platforms?, but what about ...
2
votes
3answers
526 views

What does “maximum aperture” mean in a camera spec? Where can I get the full aperture range?

I own a Canon S95, and am considering getting a newer model (e.g. Canon S110 or S120), and I'm comparing the specs. According to DPReview.com, the S95 has a maximum aperture of F2.0-F4.9, and the S110 ...
0
votes
4answers
2k views

Tamron 70-200 Di VC vs Canon 70-200 II

I'm looking to buy a tele zoom, and was set at the amazing Canon 70-200/2.8 II, mostly for shooting indoor/concert type photography. But since its such an expensive lens I thought I'd check if there ...
6
votes
1answer
1k views

Which Lensbaby Sweet 35 or Edge 80 effects are harder to reproduce post-processing?

I want some suggestions from Lensbaby users. I have the plastic optic, double glass and fisheye optic. I use the composer. The recent new optics: Sweet 35 and Edge 80 seem very intriguing and I ...
9
votes
3answers
513 views

What's the best bang for your buck to improve low light portrait shots: Lens, Flash or Body?

I want to get better action shots in low light indoor conditions. I've got a Canon T1i (APS-C size) with 3.5-5.6 18-55mm lens, and am thinking about a flash upgrade, a lens upgrade, and/or body ...
3
votes
3answers
4k views

Why is my Nikon lens suddenly extremely dark?

I was going to take pictures of my daughter at the race track, and when I put my lens on my camera (as I have done several times before) this time it was very dark and didn't seem to work properly. I ...
0
votes
1answer
119 views

Why doesn't my Sigma lens autofocus if the subject is initially way out-of-focus?

I have a Sigma 150mm F2.8 EX DG OS HSM APO Macro lens mounted on my Canon 6D. Even if AF mode is set to minimum-to-infinity range, if my subject is way out of focus (too far or too near), like, say, ...
17
votes
3answers
936 views

Why don't cameras have autofocus points in the edges and corners?

On all the DSLRs I've used, there are never any autofocus points near the edges and corners. Why is that?
3
votes
3answers
176 views

Differences between canon 17-85mm and 18-55mm

I was given a 450d with a canon 17-85mm lens, it has USM and image stabilzing. It has always seemed okay to me but after a few years i have decided to upgrade to the 700d, which has now come with a ...
1
vote
2answers
348 views

How to fix Canon 17-40mm F4L loose zoom ring

I bought a used Canon 17-40mm F4L a while ago, and I just noticed it had the Zoom Ring kind of loose and also a lot of my pictures that were taken at the widest were 19mm instead of 17mm
7
votes
7answers
2k views

Which lenses are best for macro and for birdwatching (both Canon and Nikon)?

Now I have old Sony A100 DSLR + Minolta AF 24-50/4, Minolta AF 50/1.6, Tokina ATX 80-400/4.5-5.6, ... My camera is old. In near future I am going to buy new DSLR. I think it will be Canon or Nikon. I ...
0
votes
1answer
269 views

Is the Panasonic Leica Summilux DG 25mm f/1.4 as good as the name implies?

I’ve got a soft spot for fast, normal lenses, and while I normally shoot with a Pentax DSLR, Panasonic’s Leica DG Summilux 25mm / F1.4 ASPH has had me sneaking drooling glances at Micro ...
11
votes
4answers
766 views

Other than speed and weight, what advantages might a prime lens have over a zoom at the same focal length?

At the same focal length, apart from speed and maybe weight, what other advantages does a prime lens like the 50mm have over a zoom lens like the 24 - 70mm? To put it better, If I set my 24-70mm lens ...
0
votes
2answers
126 views

Why human eye doesn't exhibit aberrations?

Eye's optical system is composed of single lens and is capable of producing very sharp results, but if I use single lens (monocle) with my camera I'll get soft image.