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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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6
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2answers
7k views

Is the difference between a good 50mm vs 85mm lens just your distance from the subject?

I was wondering: is the difference between a 50mm f/1.8 lens and a 85mm f/1.8 lens just your distance from the subject? Let's assume that distortion is minimal; both lenses are of high quality. Does ...
1
vote
1answer
712 views

Is a Tamron AF 28-300 F/3.5-6.3 with Canon 60D a wise choice for action photography?

I am considering buying a refurbished canon 60D and a Tamron AF 28-300 F/3.5-6.3XR lens. I take a lot of scenery but also fast action photography-dragracing etc. Is this a wise choice considering AF ...
1
vote
1answer
520 views

Can the Tokina AT-X 165 PRO DX AF 16-50mm f/2.8 actually be found new, and how does it compare to the Canon EF-S 17-55mm f/2.8 IS USM?

I am having difficulties finding in-depth (Canon mount) reviews and comparisons for the Tokina AT-X 165 PRO DX AF 16-50mm f/2.8 lens. This lens is currently not sold on Adorama and B&H says that ...
2
votes
2answers
300 views

Which second-hand lens for under $1k would be best for taking pictures of distant birds?

I went on vacation with my Nikon 55-200mm f/4-5.6G lens. I did a lot of bird watching and whale watching. I had a lot more fun taking these types of pictures than I thought I would. I think I took ...
-3
votes
1answer
509 views

Which of these three prime lenses should I choose for my Canon 5D Mark II? [closed]

Which lens should I pick between the following, I'm after nice color / contrast: Leica 50mm f/2 Summicron-R Canon EF 50mm f/2.5 Macro Voigtländer 40mm f/2 Ultron SL II Anyone with experience with ...
5
votes
4answers
3k views

How can I attach a lens without a collar to a tripod?

I have a Nikon 80-200 f/2.8 push-pull and I wonder how to use it on a tripod. There is no collar. What is the best solution to attach it to a tripod? ("Best" is rather vague, it should take into ...
4
votes
2answers
2k views

Why f/22 is the highest possible setting for the aperture diaphragm?

My first DSLR camera was Canon EOS 350D. Now I've got an upgrade to Nikon D90. Both were/are with the kit lens. Whenever I'm taking a picture with biggest zoom (55mm on Canon, 105mm on Nikon) the ...
0
votes
2answers
726 views

How do I choose a telephoto zoom lens? [closed]

I have a Canon 1100D kit (18-55mm IS II) and a 50mm f1.8 lens. Now I'm looking for a zoom lens. What do you think about the following: Tamron 18-200mm f3.5-6.3 Tamron 70-300mm f4-f5.6 DI LD Tamron ...
0
votes
1answer
425 views

What does the “L” in the L-Series Canon lenses stand for? [duplicate]

Possible Duplicate: What is the difference between Canon “L” lenses and non-L lenses? Any ideas? Just curious. Some seem to think it stands for Luxury.
0
votes
2answers
7k views

What do the lens parameter abbreviations mean? [duplicate]

Possible Duplicate: What do all those cryptic number and letter codes in a lens name mean? Canon EF 50mm f/1.8 II What does EF, II mean? Sigma 10mm/F2.8 EX DC Fisheye HSM compatibil ...
-1
votes
1answer
1k views

What does the F number in a lens name mean? [duplicate]

Possible Duplicate: What does the f-stop printed on the lens refer to? I understand that for a DSLR you can modify the aperture(the F number) to allow more or less light to enter the ...
3
votes
3answers
661 views

Which would be more suitable lens in terms of utility, weight, price: 18-135 or 18-55 + 55-200?

Is it better to invest in one 18-135mm lens or have a standard 18-55mm lens and another 55-250mm lens for occasional need?
2
votes
3answers
222 views

Where should one go in terms of equipment for event shooting after a D7000 kit?

I'm still new at photography -- really, it is going to be a long while before I can get close to the potential out of the D7000 kit. However, Microsoft recently has been giving me the opportunity to ...
16
votes
13answers
1k views

What's an excellent walkabout lens?

(Happy to keep the question general, but personally interested in Canon fit) I've got a Sigma 18-125 that's served me well, but the image quality isn't stellar, it's unstabilised, max f3.5, and focus ...
13
votes
7answers
2k views

Is there a difference in the sensor technology in entry level cameras vs. that in pro or semi-pro DSLRs?

Obviously there are differences in everything, both optics-wise and mechanism-wise, but I would like to know: Are the materials used to construct sensors (disregarding sensor size) different at any ...
0
votes
6answers
292 views

Help me with information to take a lens purchase decision

After quite a time I have made my mind to buy a DSLR and I am thinking for Canon 550D. Though question is long I could not find way to shorten this. As a starter I would like to stick and learn with ...
9
votes
1answer
602 views

Does the image stabilizer on Canon lenses decrease the overall image quality?

When I'm shooting hand-held during the day, when the light is strong enough for the camera to shoot at 1/2000 and slower (therefore the image stabilizer should be useless, right?), should I disable ...
4
votes
2answers
3k views

If I have a 28mm f/1.8 lens (on a crop body), do I still need the 50mm f/1.4?

I have the Canon 60D and a Canon 400D (my original camera). I have two lenses a Sigma 50mm 1.4 HSM and a Canon 28mm 1.8 USM. Both lenses are incredible performers. I've noticed the bokeh I receive on ...
1
vote
6answers
3k views

What is a good lower-cost alternative for the Nikon 85mm f/1.4 lens?

I have a Nikon D7000. The 85mm f/1.4 looks pretty awesome, but I don't have the money for it. What's a good alternative that won't break my bank? I'm open to other brands. I have the 85mm f/3.5 ...
7
votes
3answers
1k views

Is pincushion or barrel distortion really all that bad in a lens?

Given that software can pretty trivially fix pincushion and barrel distortion patterns if you're shooting in RAW (Lightroom did the right thing just by knowing what lens I used with the given EXIF ...
1
vote
2answers
795 views

Can I configure the D7000 to perform lens distortion corrections on the embedded JPEG in the RAWs it saves?

Lightroom eats the distortion present in the D7000's kit lens for lunch. However, it's time consuming to check which photos I like by performing this correction on all the photos in lightroom first. ...
5
votes
4answers
941 views

Why is the front element of a telephoto lens larger than a wide angle lens?

A wide angle lens has a wide angle of view, therefore it would make sense that the front of the lens would also be wide. A telephoto lens has a narrow angle of view, so it would make sense that the ...
0
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1answer
206 views

Can the camera be considered to the Human eye? [closed]

So mirrors make you look so big, and some mirrors don't. And they only thing that actually tells you your volume of you body, is the human eye! So, If i took a picture Would it show me, what other ...
9
votes
2answers
506 views

Are there any depreciation schedules for canon lenses?

I am looking to purchase some used "L" series lenses for my Canon 60D. I am not exactly sure at which point it's no longer feasible to purchase a used lens over new. Surely even the best lenses must ...
5
votes
3answers
1k views

Portrait lens for Canon T1i [duplicate]

Possible Duplicate: What is a good Canon lens to take portraits? I have a Canon Rebel T1i camera. I am thinking of buying a Canon EF 50mm f/1.8 II lens for portraits. Is it the right lens ...
12
votes
3answers
6k views

Which is better: Canon EF 70-300mm f/4-5.6 IS USM or Canon EF 70-200mm f/4.0 L USM (without IS)?

Simple question: Which lens is better? The L Series (non-IS) Canon EF 70-200mm f/4.0 L USM or the Canon EF 70-300mm f/4-5.6 IS USM? I am an enthusiast and usually shoot landscape, my kids playing ...
15
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9answers
2k views

Are all kit lenses poor? (And if so, why?)

Kerri Shotts says (emphasis mine): Also, if you already have great glass, there is little reason to get more (unless you need it for a certain reason). E.g., if you have a 70-200 f/4, don't rush ...
4
votes
2answers
2k views

What can damage a lens?

I just bought a Canon dSLR camera with an 18-135mm IS lens. I really want to take care of it, as I paid extra for this "better" lens, so can the lens get, in some way, damaged if you drop it, say 5 ...
2
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6answers
841 views

Is the IS of the Canon EF 100-400 4.5-5.6 L IS USM Telephoto Zoom worth the extra £200 over the Canon EF 400 f/5.6 L USM Lens? [duplicate]

Possible Duplicate: What size lens is recommended for flying bird photography? I am having trouble deciding which lens I should buy my wife to go with her new Canon 7D. She uses it mainly ...
13
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5answers
3k views

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 ...
9
votes
6answers
3k views

What does small depth of field mean?

Can anyone clarify for me the various terms used to describe depth of field? There are so many it's hard without a photo dictionary to relate in my head what's actually being said to me about the ...
5
votes
6answers
2k views

In what situations should I use which lenses while traveling to Paris?

I'll be travelling to Paris and I'll be bringing me with a Canon T2i/550D, a Canon EF-S 18-200mm f/3,5-5,6 IS and a Tokina 11-16mm f/2,8 (I could also bring a Canon EF 50mm f/1,8 II). I bought the ...
9
votes
2answers
6k views

What's the difference between the Lensbaby Composer and the Composer Pro?

What's the main difference between the Composer and the Composer Pro? The only difference that the reviews mention is the metal construction. Has anyone tried both? Is there any significant ...
17
votes
5answers
1k views

How do I find the aperture that produces the highest-quality images for a given lens?

I'm not talking about large aperture (f/1.8, f/2.8...), rather, about small apertures (f/18, f/20, f/23...). I read somewhere (actually I think it was on this site, but I don't exactly remember which ...
5
votes
2answers
1k views

Is there a Tamron 70-200mm lens which is optically superior to the Canon 70-200 f2.8 IS?

In the June 2011's Popular Photography magazine (Canada, hard copy, pg. 90) in an article titled "Star Power", on a one page overview of the Canon 70-200mm f2.8L IS II USM, the author (Julia Silber) ...
7
votes
4answers
921 views

How can I find the right lens cap for my lens?

I own a Nikon D3000 Camera with the AF-S 18-55mm VR Kit Lens. Last week I lost the lens cap and now I want to buy a new one. But when I went to this online store, I got confused with the different ...
2
votes
2answers
697 views

Is Nikon AF 70-300/4.0-5.6 G Black Nikkor Lens compatible with Nikon D80?

I'm looking at the Nikon AF 70-300/4.0-5.6 G Black Nikkor Lens, and that page says that it's not compatible with Nikon D40, D40x, D60 and D5000. I'm not sure - would it work with my D80?
4
votes
1answer
1k views

Is AF-S DX Micro NIKKOR 85mm f/3.5G lens good for both macro and portrait photography?

I'm thinking of buying a macro lens am considering the Nikon AF-S DX Micro NIKKOR 85mm f/3.5G ED VR. Is this lens really good for portraits? Where can I find sample pictures taken with this lens? Is ...
17
votes
13answers
3k views

What is a good two lens “starter kit”?

A friend of mine is buying his first DSLR. He's chosen an entry-level Canon model, and wants to know which lens he should go for. My advice is to go for a good 70mm prime and an 18-200mm. The former ...
11
votes
3answers
1k views

What Pentax macro lens do you recommend for outdoor activities?

I am a Pentax K20D owner, and now I'd like to buy my first macro lens. Candidates I consider are: Pentax-D FA 100 mm F2.8 Macro 365 g, 560 €. Pentax-D FA 100 mm F2.8 Macro WR weather-resistant, 340 ...
5
votes
2answers
795 views

Which Nikon-mount Sigma macro zoom lens for a beginner?

I am a photography beginner. I have a Nikon D90 with the kit lens. I am planning to buy an additional lens. I started with a Canon S3IS, and shot some macro photos, which I think are good. I want ...
21
votes
9answers
2k views

How to choose a lens for my first DSLR?

I am considering buying my first DSLR. How do I know whether I need a 18-200 lens, 17-85, or 18-55? Or something else?
11
votes
5answers
10k views

What does the f-stop printed on the lens refer to?

I have read this,so I know what an f-stop is, but what does the number on printed the lens signify? Is this is the maximum f-stop, the ideal, or something else?
26
votes
5answers
13k views

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 ...
10
votes
4answers
5k views

How well do tilt-shift lenses work for nature/landscape photograhy?

I am in the market for at least one wide-angle prime lens. I've focused most of my search on 50mm and 24mm prime lenses from Canon, Zeiss, and Sigma. Crossing paths with another avenue of research in ...
1
vote
1answer
8k views

Sony 18-250 or new Tamron 18-270 lens? Which has better autofocus?

I want to buy either Sony 18-250 F3.5-6.3 or the new Tamron 18-270 F3.5-6.3 as a travel lens for Sony A55. I have found good reviews that told me quite something about image quality of these lens. ...
6
votes
3answers
1k views

Does my L lens need UV filtering, or does it already cut out UV?

Now I know the "should my expensive lens have cheap glass on the front?" is an age old question that will never be agreed upon and ends up down to preference. What I'm interested in is the UV vs ...
9
votes
1answer
1k views

Can the slant edge SFR method measure lens resolution greater than the Nyquist limit for the camera sensor?

The slant edge SFR method has become the standard for measuring resolution of lenses and camera systems. It works by scanning a five degree slanted edge to calculate a line spread function. This is ...
21
votes
3answers
5k views

What is 'freelensing'?

I've recently heard about a photographic technique called 'freelensing.' How do I go about 'freelensing,' and what can I do with the technique?
1
vote
1answer
284 views

Can the Sony A55 software-correct lens aberrations like the Panasonic GH2 does?

Panasonic GH2 automatically corrects lens geometric distortion and chromatic aberration. If I understand it right, it always applies this correction just after reading from the sensor — so the image ...