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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
559 views

My camera lens won't stay attached

My camera fell while on the tripod and the lens fell off completely while the camera body remained on the tripod so when I reattached the lens it wouldn't stay it works and everything but I just have ...
4
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1answer
193 views

Is it normal for the zoom to be loose on a Sony 18-250 lens?

I have the Sony 18-250mm lens. The lens is so loose that it doesn't keep a focal length, but slides down to the fullest extension with minimal downward slope. Is this standard or should I see a ...
2
votes
1answer
309 views

Is there a difference between the black and silver Nikon 50mm f/1.8 E series lenses?

The Nikon 50mm f/1.8 E-series has 2 versions: black (1979-1981) and silver (1981-1985) Is there any difference between these 2 versions, apart from the color?
5
votes
4answers
2k views

Why does the cheap kit lens seem to be sharper than the expensive L wide-angle?

So recently, I was just browsing through Canon's product lists and found the 17-40 f/4 L to be quite interesting, although I will not buy it anytime in the near future. Still, I decided to make some ...
17
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12answers
8k views

What is the best Canon lens (around $500) for taking pictures of my newborn?

I have a Canon T2i, a 50mm f/1.8 and the kit lens (18-55mm). I'm considering buying a new lens for more flexibility with taking pictures of my upcoming newborn. I LOVE the 50mm/1.8 lens, but on the ...
2
votes
1answer
78 views

Tamron 70 - 300mm not operating in A-Dep mode

This lens will not operate in A-Dep (Auto depth of field) mode on my Canon 40D. I recently bought this lens second hand. It works very well in all other modes. Is this the start of a terminal problem? ...
7
votes
7answers
1k views

How come there are no 24-70mm f/2.8 lenses with image stabilization?

There definitely aren't any Canon or Nikon lenses. I also have not seen any third party lenses. I can think of two reasons for this: There is some technical limitation (which I tend to doubt since ...
7
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5answers
2k views

Are third-party alternatives to the Canon 70-200 f/2.8 worth the price savings?

Has anyone used the 3rd party 70-200 lenses? Are you happy with the quality, or do you wish you had saved up for longer and got the Canon?
2
votes
3answers
468 views

Are there specific use-cases in mind that make the 70-200 F2.8 worth its weight/size?

I've been looking to upgrade my Mark iii's kit lens, and am comparing lens strategies. The 70-200mm canon F2.8 seems like an enduring and very popular lens. After holding one, i am left wondering why? ...
0
votes
1answer
223 views

Nikon Lens format for D5100 [duplicate]

I'm planning to buy the Nikon D5100. As I'll also buy a 200mm lens which format to go for ? And what does they mean and their differences [DX Format FX Format CX Format]
11
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4answers
294 views

Does it make sense to get a non-macro and a macro of similar focal lengths?

I recently asked a question on which prime lens to get after the kit lenses, and in my shortlist of lenses there was quite a lot of overlap of focal lengths along with macro & non-macro versions ...
15
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6answers
6k views

How does background blur (bokeh) relate to sensor size?

This is a somewhat theoretical question. Suppose I first take a photo of a subject using a full frame sensor DSLR, with a given lens (say 50mm prime lens at f/3.5). Now suppose I exchange the camera ...
2
votes
4answers
763 views

Which of these lenses allows a greater amount of light through at f/1.4: Canon 35mm f/1.4 or Sigma 35mm f/1.4?

I'm looking for a wide aperture wide angle lens to use with my 5D III body. I'm planning to use this lens for reportage shots in low light conditions. After doing some research, I'm trying to decide ...
5
votes
3answers
570 views

What differentiates a Canon standard zoom from an ultra-wide angle zoom?

I was checking the Canon website and found that the EF-S 15-85mm f/3.5-5.6 IS USM lens is a "standard" zoom lens, whereas the EF 17-40mm f/4L USM is described as an "ultra-wide" Zoom. Is there ...
1
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3answers
2k views

50mm lens=75mm on DX camera? [duplicate]

I'm looking for a 50mm lens for my nikon d3100 and I just came across an AF-S 50mm f/1.8G lens and it says in the description that if it's used on a DX camera, the angle of view is going to be 75mm. I ...
14
votes
11answers
6k views

Which macro lens would you recommend for a full frame Nikon camera?

I use a full frame Nikon camera and would love to play with macro photography. Is the Nikon 105 macro strong enough or would you rather recommend some bigger third party lens?
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4answers
781 views

Is it typical to experience zoom creep with the Canon EF 24-105mm F/4 L IS USM?

I noticed this more than once. Whenever I'm in the range from 24mm to somewhere between 35mm and 50mm, the lens starts moving if I'm fixing it vertically with its front element facing the ceiling or ...
3
votes
1answer
300 views

Can anyone show me an example of Zoom Creep on Nikkor lenses?

Looking for some pictures which certainly demonstrating this problem on Nikkor lenses. I am about to purchase the lens and want to be able to distinguish.
3
votes
4answers
206 views

What is the useful range of apertures for lenses?

Assuming for example a lens has a range of f/1.8 - f/22, for an ideal picture which apertures should I avoid, and for what specific reasons? Now if the answer is "do not use the first two and the last ...
6
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2answers
6k views

What is CLA service?

I've seen the term used in used lens listings, e.g "recently CLA'd". I have a few questions, but I think they're related enough to only warrant one post: What does CLA stand for, and what is it? ...
1
vote
1answer
272 views

How to attach Zeikos extension tube to D5100?

How to attach the Zeikos macro extension tube to Nikon D 5100 and to the kit lens 18-55mm? Neither side of the tube seems to fit the body of the camera nor the lens. Perhaps I bought the wrong item ...
9
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3answers
1k views

What's the term for wide angle lenses with no distortion?

Is there one word to describe the difference between wide angle lenses that have a circular distortion and wide angle lenses that produce images where perspective lines remain straight?
4
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4answers
588 views

What 300mm lens to get for my Nikon camera for wildlife photography in a national park?

I'm shopping for a 300mm lens for my Nikon D60. Which lens do you suggest? I want to use it mostly to capture images of animals in the Kruger National Park?
4
votes
4answers
895 views

35mm prime lens on a Nikon D50

I'm looking at getting a prime lens for my Nikon D50, I'm looking at the 50mm ƒ1.8 and the 35mm ƒ1.8 DX. What I understand is that the 50mm will actually give me an equivalent focal length of 75mm, ...
2
votes
2answers
557 views

Can you recommend a good budget prime lens for family photos (Canon mount)

I'm very new to photography. Have a Canon T3, with the standard 18-55 lens and a 75-300 mm lens. I'm looking to do a lot of family photography (wife with 2 kids less than 2 years old). Most of the ...
0
votes
2answers
419 views

What to buy for macro and portraits? (D5100) [duplicate]

I have a Nikon D5100 with the 18-55mm f/3.5-5.6 kit lens. I am an amateur interested in: 1. macro - insects, flowers, objects. 2. portraits- love blurry backgrounds, focused and unfocused body ...
5
votes
2answers
1k views

Can't auto-focus at full zoom

I have a Canon 1000d, and the standard lens EF-S 18-55mm. Recently I was out taking photos and I've noticed that if I zoom in fully, the lens can't auto focus. I can still take shots using manual ...
15
votes
2answers
910 views

Does a specific f number across all lenses denote same amount of light?

When we say a light source emits 1500 lumens of light, it does not really matter if the light source is incandescent, CFL, diode etc. Similarly, when I say f/1.8 can I assume that all lenses pass the ...
6
votes
1answer
1k views

How difficult is it to correct mustache-style distortion?

I am considering the Samyang 14mm Ultra Wide-Angle f/2.8 IF ED UMC but I am somewhat concerned about the 5.3% of mustache-style distortion this lens produces. I like most of what I read about this ...
2
votes
1answer
208 views

Are Raynox magnifiers compatible with Canon macro lenses?

Are Raynox magnifiers (125, 250, 5320) compatible with Canon 100mm f/2.8L? In particular, are they going to be compatible with the Canon Macro Twin Flash?
10
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3answers
16k views

Will lenses from a Rebel work on higher-model Canon cameras?

I am thinking about purchasing a Canon 60D and selling my Rebel XT and wondered if I would need to purchase new lenses? I only have two but as you all know, once you invest it is hard to not take ...
3
votes
6answers
15k views

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 ...
4
votes
1answer
584 views

Can I use a Nikon 50mm f/2 pre-AI on my Nikon D5100?

Can I use a Nikon 50mm f/2 pre-AI on my Nikon D5100? Will it cause any damage to my camera?
4
votes
2answers
2k views

Is it safe to manually-focus the Nikon 18-105 while in autofocus mode?

There are only A and M settings, no A/M. but I just noticed that Nikon website has mentioned three focus modes for this lens: Auto, Manual and Manual/Auto I'm confused if this is only a typo or is it ...
6
votes
5answers
2k views

Can Nikon FX (full-frame) users use DX (APS-C) lenses?

I mean, through the "crop-mode", using only part of their sensor ? Does it work as intended or is it a gimmick ? For the moment I shoot APS-C, with a possible perspective of converting to FF some ...
16
votes
5answers
6k views

What focal length gives a “normal” field-of-view on APS-C cameras?

I wish to purchase a "standard angle-of-view" prime lens for my Canon Rebel, which has an APS-C sized sensor. Various articles note that the popular "nifty 50mm" lenses are a little too much of a ...
1
vote
1answer
260 views

Compatibility of a Sigma Lens adapted to a Minolta 7000 A/F camera with a Sony Alpha 330 Camera

I have a Minolta 7000 A/F film camera, circa 1986. I also have a Sigma 75-300 A/F Lens which works well with that camera. I have since updated to the Sony Alpha 330 camera and the original Minolta ...
4
votes
2answers
3k views

Why does higher aperture (less light) make an image sharper?

Why does higher aperture, less light, make an image sharper? Or rather make everything in focus? And how does this lead to lenses having a sweet spot in sharpness?
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votes
3answers
259 views

If you could only take two lenses on a trip, no budget, what would you take? [closed]

Let's say you are going on a trip and want to balance covering different types of shots (landscapes, portraits) and are limited to 2-3 lenses. What would you take? For example, it seems like Canon's ...
8
votes
2answers
950 views

What gives lenses a cinematic feel?

Maybe this is far to broad a question, but I'm not sure I can do better: I'm interested in using a cheap DSLR for movies (hacked Panasonic GH1). I am a good artist, but I don't know anything about ...
5
votes
2answers
852 views

What's the base f-stop when counting an ideal f-stop for lens?

I've read a lot around this site that an ideal quality of the lens is achieved when using f-stop roughly 2 stops slower than the fastest value of the lens. Firstly, I'm not exactly sure what "2 ...
2
votes
2answers
2k views

Which portrait lens should I buy next for my Nikon D3100? [duplicate]

Possible Duplicate: Which focal-length lens is usually used for portrait photography, and why? Should I choose the AF Nikkor 50mm f/1.4D or AF-S DX 35mm f/1.8G for my Nikon D5100? I have ...
0
votes
4answers
153 views

Are there lenses that zoom out rather than in? [duplicate]

Possible Duplicate: When you zoom in with a lens on an SLR why does the lens go in then out? I apologize if the wording of my question isn't that great. I have a Nikon D5100 with the ...
8
votes
8answers
2k views

What is a good all-purpose, single-lens choice for a 7D, to take trekking in the Himalaya?

I'll be trekking in the Nepal Himalaya for 3 weeks in December, in a variety of conditions, but predominantly cold (-5°C to -30°c) , clear and dry, at altitudes of up to 6000m. I'm trying to travel ...
5
votes
7answers
4k views

What DX Nikon lenses should I look at for concert/club photography?

I'm looking at upgrading my kit for a music photojournalism internship over the summer and I was wondering what the best way to spend $600 was. My current setup is a d7000, a kit lens, a manual ...
5
votes
4answers
595 views

What's the difference between vignetting and pinhole?

Sometimes people say that a lens has bad vignetting but it looks very similar to the effect of pinhole (darkened edges). What's the difference? If someone asked to have a vignetting effect (in PP) ...
5
votes
2answers
196 views

Why do the Nikkor non-AI 135mm vs 50mm f/1.8 work differently when I look directly through the lens?

I recently purchased an old Nikkor 135 f/2.8 non-AI lens. Beautiful lens, but the closest focal distance is about five feet. I noticed that it will 'focus' at about 4 inches as well. If I hold the ...
2
votes
1answer
530 views

What is the noise my Canon 100mm macro makes when image stabilization is enabled?

I'm currently using a brand new Canon 100mm f/2.8L macro lens. I noticed that when IS is enabled and I press the button mid-air (no shoot), I hear a little noise. Is it the image stabilizer? With IS ...
6
votes
3answers
3k views

What lens do I need to do super-close-up macro shots?

I really like to take pictures of insects, close up...get their eyes, their hair, or the texture on my bearded dragons toenails, etc. I've used a 28-135 (on a canon 7d) at 135 and just gotten as ...
5
votes
1answer
204 views

Is Canon MP-E 65mm f/2.8 1-5X macro lens good for photos other than close-up macro shots?

Does this lens do a good job for photos other than close-up macro shots? For example, does it make sense to use this lens for outdoor family portrait photography? What are some other common uses for ...