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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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1answer
133 views

How to learn enough about lenses to be able to evaluate a lens manufacturer?

I've been doing research to purchase a DSLR. I think I have a handle on how to evaluate a body, feature-wise, but I'm finding it difficult to understand lenses. Since buying a body locks you into a ...
7
votes
8answers
2k views

Is the Nikon 35mm f/1.8 AF-S being replaced?

I need a fast lens with autofocus for taking indoor shots with my Nikon D3000. I have been looking at the Nikon 35mm f/1.8 AF-S for a while and now that I am ready to get one they are next to ...
15
votes
5answers
2k views

Why choose an 80-200mm over an 18-200mm lens?

Being a beginner, I can't see why I must choose an 80-200 over an 18-200. Are there scenarios where an 80-200 would be preferable over an 18-200? I will be buying a D7000 soon and am looking at ...
12
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3answers
2k views

Does a camera's crop factor apply to the magnification of macro shots?

If I have a lenses (or in my case extension tubes) that would allow the lens to magnify 1:1, does a 1.5x crop factor body make it really 1.5:1 ?
2
votes
6answers
469 views

What would be a good wide angle lens to rent for Nikon?

I have a Nikon D5000, and am looking to rent a wide angle lens for a day. Any suggestions as what should be a good lens to try out?
10
votes
4answers
294 views

What are important considerations when purchasing a zoom lens?

What should I be aware of when buying a zoom lens (other than that it will fit my camera)? What specs should I pay close attention to?
4
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3answers
338 views

How do I troubleshoot Canon EF100-400L IS USM failure?

I use my EF100-400 on a Canon 10D. While in IS and auto focus mode, I was shooting a soccer match when the lens abruptly failed to focus, and I got an error message on the camera. I turned off the ...
9
votes
3answers
6k views

Is acetone safe and effective as a lens cleaner?

I recently came across a clip on youtube which showed the process of making camera lenses. I noticed them using acetone as a lens cleaner. My question is how effective is acetone as lens cleaner? Will ...
17
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5answers
2k views

When would one need manual focus override?

In lens reviews, ability to override auto-focus manually is often referred to as a good (and important) feature. I have rarely, if ever used that feature, so I feel I might be missing out on an ...
6
votes
2answers
624 views

Are reverse mounts only for use with prime lenses?

Are reverse lens mounts only for use with prime lenses? I was wondering if I could use my zoom lens with a reverse mount.
3
votes
3answers
551 views

How do I choose a zoom lens to replace the kit lens?

I have a Canon 1000D with a 50mm f/1.8. I also have the 18-55mm f/3.5-5.6 kit lens, but I am not very satisfied with its performance. I'm looking for a better zoom lens. I have a budget of around ...
1
vote
1answer
807 views

After considering crop factor on Nikon D90, which macro lens should I get?

I am thinking of getting Nikon AF Micro Nikkor 60mm f/2.8D. I'm not a stamp collector so what I am looking for is characteristics of 100mm macro lens for Full Frame camera. Should I get 100mm macro ...
7
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3answers
388 views

Does it make sense getting any of these “extra” lens packages?

I see many extra lenses on bestbuy.com sold with the Nikon D7000 I am interested in buying. Are any worth it? Are they any good? And, since they bundle them, is the price better then buying the ...
4
votes
3answers
685 views

Is the kit lens focal length specified for APS-C or FF?

I have the 18-55mm kit lens for my Canon 50D and was wondering if they're still specified against full frame 1:1 crop? Would my 18mm actually be 1.6x? I ask because I doubt anyone with a full frame ...
7
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4answers
497 views

Were lenses for film designed to focus different colors at different depths, and what does that mean for digital?

I was reading the book Adobe Photoshop CS5 for Photographers: The Ultimate Workshop by Martin Evening & Jeff Schewe (Focal Press. 2011) and read this paragraph about film lenses and DSLRs: … ...
7
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4answers
4k views

Why and when would you consider Canon 17-55 lens over 24-105?

If I'm to buy a cropped sensor Canon camera for personal needs (family shootings, treveling etc - probably 75% outdoors some macro like + portraits + streetshootings + landscapes, 25% indoors mostly ...
12
votes
7answers
6k views

Which Nikon lenses for family photography?

I've become my family's un-official photographer, pretty much, and found myself in need of a better camera. (We have a large local close young family, so 20+ running around the house occasionally — ...
11
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1answer
4k views

Does image quality of a lens depend on the camera used?

I recently bought a Canon 50mm f1.8 for my Canon 1000d. But, I find that the images are not as sharp as those I saw in the reviews or any other images taken using other cameras like the 550d and ...
10
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2answers
2k views

How can I/should I check the sharpness of my camera lens?

The sharpness of a lens is a major concern for most photographers. This might be because we are worried about a defect in the lens, a problem with our technique or a problem with the camera. Or we ...
1
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2answers
514 views

Am I being unrealistic about image quality expectations from Canon 70-200 F/4 USM IS L Lens?

I'm shopping for a 70-200 F/4 USM IS L, and took a few test shots with it. Here's a full resolution jpeg, and a 100% crop with a focus point highlighted. It was shot handheld with IS on at 70mm / F4 ...
11
votes
6answers
394 views

On smaller prints, will a high-quality zoom lens provide near equal image quality compared to primes?

Let's say I shoot with Canon EF 35mm f/1.4L, Canon EF 50mm f/1.4, and a Canon EF 85mm f/1.8. Can these 3 primes be replaced with a Canon EF 24-70mm f/2.8 for the convenience of not needing to change ...
5
votes
1answer
220 views

Should I get a lens repaired or buy a new one?

I have a 28-135mm Canon lens that I picked up a few years ago for $200. The zoom has started sticking in the last couple of days. It still focuses fine, but can be annoying trying to zoom in/out ...
0
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3answers
491 views

Which lenses to buy next?

I have a Canon 550D DSLR that I've been using for the past 6 months to learn photogragphy. It has the 18-135mm lens and I also got the 50mm/1.8 lens. As I learn more I now think it's time for me to ...
2
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3answers
2k views

Is the Nikon 24-70mm f/2.8G lens better than the Nikon 35-70 f/2.8D?

I consider better to mean: it focuses faster it focuses better in low-light it is sharper it has less vignetting I have the 35-70mm f/2.8D and am considering upgrading to the G.
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7answers
6k views

How can I visualize or simulate the effect of different focal lengths?

I have seen many camera review sites illustrate the effect of using different focal lengths on the same photograph using frames. There are also similar illustrations to compare different sensors (full ...
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3answers
662 views

Are there any inexpensive 2x AF macro lenses for Canon?

I want to be able to take pictures like this: This was taken at 2×, but the lens costs over 1000 and has no autofocus. Is there a lens that can take pictures like this for less money, preferably ...
0
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3answers
344 views

In need of a quality close zooming lens with minimal distortion (canon) [closed]

The stock lens on my Canon T2i (18-55 mm f/3.5-5.6 IS) does a good job; as good as the two much more expensive Macro lens I've used. The trouble is that it's very plasticy and flimsy. I have to set ...
2
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2answers
2k views

What is the difference between these two Canon kit lenses?

I want to but a Canon 1100D, but I have no idea between these kits: Canon 1100D IS Canon 1100D IS II The site is in Germany, so I couldn't understand very well, but when I tried to translate, I ...
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2answers
2k views

Canon 550d Kit Lens or not?

I'm a beginner at photography, I'm looking at buying my first DSLR (currently the Canon 550d looks promising) so I'm wondering if I should buy the camera with the kit lens (EFs 18-55mm IS) or buy just ...
6
votes
2answers
440 views

How should I use lens cleaner?

I got a free lens-cleaning kit with a lens I bought the other day. It has a small bottle of alcohol lens cleaner, but I'm not sure how to use it, should I apply it directly to the lens, or onto a ...
8
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3answers
631 views

What motor gets used if both lens and camera body have a focus motor?

If both a camera body and lens have motorized autofocus, would one be used over the other or would both work in tandem to speed the focus process along?
5
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4answers
4k views

Is it best to transport a camera with lens attached, or off?

I'm traveling now(I'm at Aruba) and I bought me a Canon 60D with the lens kit(EFS 18-55mm). I never used a camera that has removable lens like this one, my last one was a Panasonic Lumix DMC-FZ18, so ...
21
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0answers
578 views

Is Image Stabilization better in the lens or the body? [duplicate]

Possible Duplicate: What is the difference between in-lens image stabilizing and in-sensor image stabilizing? Some DSLR manufacturers have image stabilization (IS) in the body of their ...
2
votes
6answers
723 views

Which Telephoto Zoom Lens?

I am an enthusiastic hobbyist who uses the camera for social events/parties once or twice every week. My current kit is Canon 60D and for close up portraits, I am using Sigma 85mm F1.4 and for my ...
2
votes
3answers
409 views

What is the difference between the two Pentax 50-200mm DA lenses?

Pentax offers two DA zoom lenses with a 50-200mm range: smc PENTAX DA 50-200mm F4-5.6 ED WR smc PENTAX DA 50-200mm F4-5.6 ED The only obvious difference I see between them is that one is weather ...
12
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7answers
4k views

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, ...
4
votes
5answers
1k views

Are Sigma DC 18-50 1:2.8 EX sharpness problems common with wide apertures?

I got this Sigma DC 18-50mm f/2.8 EX MACRO HSM lens few weeks ago, but I noticed considerable sharpness problems with wide apertures. Until f3.5 (or even f4.5) this lens can't really be used. I would ...
11
votes
4answers
810 views

Experiences with lens repairs - Quality degradation?

A friend of mine fell with my new Canon EFS 15-85mm lens - nothing happened to the camera, but the lens is... well see for yourself: As you can see the top part of the lens looks bent towards the ...
2
votes
3answers
938 views

What is a good freelensing lens I could use on my Nikon DX?

I have a Nikon D7000 and have tried freelensing with my Rokinon 85mm f/1.4, Nikon 35mm f/1.8 DX, and a zoom Nikon 35-70mm f/2.8 without much success. The problem is that everything is out of focus no ...
13
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5answers
4k views

What is the meaning of “stopped down”?

Was reading this answer (emphasis mine): It also tells us that the lens was stopped down, as if it were wide open there would be no corners to cause diffraction, regardless of the number of ...
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2answers
599 views

What are the best fisheye lenses one can still buy that are full frame on 35mm film?

The vast bulk of fisheye lenses produced now are targeted at digital image sensors and so they aren't full frame on 35mm film. What are the best fisheye lenses that one can still buy reliably that are ...
10
votes
1answer
433 views

Can anyone identify this lens?

I read once, in a book, about a lens that was an "inverse fisheye". Basically a hemispherical mirror mounted at one end of a glass tube. I can't remember what it was called, nor can I find any ...
11
votes
4answers
2k views

Is EF-S 17-55 f2.8 IS USM really a 'L series' grade lens?

Some reviews say yes. But since it costs as much as an EF equivalent, why not name it as 'L'? Is there any better lenses in this range (EF or EF-S)?
2
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1answer
1k views

Which 70-300mm lens between the Nikon VR and Sigma? [duplicate]

I am confused about selecting a 70-300mm lens. I have 2 lenses to decide between, the 'Nikon 70-300mm f/4.5 - 5.6G ED-IF AF-S VR' and the 'Sigma 70-300mm F4-5.6 APO DG'. I hear lot of good things ...
10
votes
6answers
5k views

What's a good Nikon lens (DX) for a serious hobbyist landscape photographer?

I shoot a bit of everything, though mostly landscape stuff. Mostly with a beanbag, or handheld. I currently have the following lenses: Nikkor 18-70mm f/3.5-4.5G ED DX Sigma 70-300mm f/4-5.6 APO DG ...
1
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1answer
2k views

Macro Lens comparison : Nikon 85mm DX vs Nikon 60mm (FX)

What is the point of buying the 85mm DX AF-S f/3.5G for 476$ versus the 60mm AF-S f/2.8G for 540$. It's 64$ to get f/2.8G over f/3.5G, it's close to be the same focal on a DX 85 vs 90 (1.5 X 60) and ...
1
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5answers
3k views

How to choose a lens to get a shallow DOF effect? [duplicate]

Possible Duplicates: Can I get a shallow DOF using a kit lens? Help with getting bokeh effect. I'm an amateur photographer, just getting into photography. I read some things about lens ...
2
votes
7answers
1k views

What lens should i buy for my vacation?

I am going on a cruise to Greece and Italy this summer, I really wanted to buy a new Canon lens for my t2i but i am confused whether to buy the 17-40 f/4.0 or the 15mm 2.8 fisheye. Any help?
9
votes
6answers
325 views

Aside from sharpness & speed, what are the benefits to photo composition\optical quality provided by premium lenses over their cheaper counterpart?

I have gone through quite a few lens reviews and questions on this site that recommend expensive lenses over their cheaper counterparts. From what I've seen in the reviews, there is a marked ...
0
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0answers
503 views

What is the difference between a Canon EF and EF-S lens? [duplicate]

Possible Duplicate: What is the difference between EF and EF-S lenses? I read here: EF: Electronic Focus EF-S: Short-Back Electronic Focus Is the difference significant? How much ...