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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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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 ...
2
votes
1answer
81 views

Nikon 16-85 VR focus noise problem?

My 16-85 VR is doing some weird noise during focus, manual or auto. It's like an hiss. I asked in a local shop and they said it can be some microdust inside the lens. But I'm a little worried it can ...
4
votes
4answers
320 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 ...
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 ...
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 ...
1
vote
3answers
143 views

Will a Nikon lens work on a Sony compact camera?

I got a Sony camera for Christmas. Lately, I've been looking at getting a fisheye lens. I really want to buy one sooner or later. The problem is the price. I found a fair price on a fisheye lens ...
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 ...
0
votes
3answers
405 views

Are bad reviews of the Sony E 16-50mm f/3.5-5.6 pancake kit zoom reason to avoid the system?

I'm thinking about buying the Sony A6000 over a Micro Four Thirds camera because of the sensor size, but I read in many reviews (such as this) that this is one of the worst lenses around. Now, since a ...
0
votes
1answer
91 views

IS auto-shutdown causes SLR to stop detecting lens - Canon 70-200 2.8L IS MK I

I've tested this on my 6D and my friends' 60D. Use case: [Only occurs in Video mode] 1) Activate the IS function during Video mode. Does not have to be recording (but is reproducible in the same ...
1
vote
4answers
182 views

What low-cost non-fisheye wide angle lenses are available for Canon and how do they compare?

I'm currently looking for a wide angle lens for my Canon T3i. I would prefer a prime lens. I want to use a wide angle lens primarily for video (so the lens needs a quiet AF motor) but for still ...
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, ...
0
votes
1answer
123 views

Do I need an adapter to mount a Sigma lens to a Canon Rebel Ti3?

I bought a Sigma 70-300mm DG 4-5.6 Macro Zoom Lens for my Canon Rebel T3. Do I need an adapter of some sort to be able to attach the lens to my camera?
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 ...
0
votes
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?
-1
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!
0
votes
1answer
276 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 ...
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.
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 ...
17
votes
3answers
937 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?
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 ...
1
vote
2answers
364 views

Does wide angle equivalent in crop sensor skew image?

I see many posts on both this forum and elsewhere the discuss the use of a wide angle on a crop sensor. For example, they discuss how at 14mm lens is 14mm on a 35mm film or full frame, but with a ...
0
votes
1answer
204 views

Looking for suggestions for an wide angle lens for Nikon FX [duplicate]

I recently upgraded to full frame by getting a Nikon D600. I would like to know what would be an ideal wide angle Lens for this FX camera of mine. Nikon wide angle lenses are very expensive, so I ...
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 ...
3
votes
1answer
80 views

What are the downsides of converting FD(n) lenses to EF mount?

Are there any downsides of converting an old FD(n) lens to the EF by means of actually replacing the mount with a EdMika or similar? The lens will become a manual focus and manual aperture control ...
3
votes
2answers
151 views

What to look for in a wide angle lens?

My girlfriend owns a D5100 and I own a D7000 for which we both share lenses (or try to when appropriate). I own the 18-55 kit lens, a Nikkor 50mm 1.8g (I may consider buying the inexpensive 50mm 1.8d ...
0
votes
2answers
74 views

How can I easily tell if a cellphone camera sensor or lens is damaged?

How can I easily tell if a cellphone sensor or lens is damaged?
0
votes
1answer
62 views

Exact specification of N1-CL1 Nikon Closeup lens

On nikon site (and everywhere else) I've been unable to find any exact specification of tne N1-CL1 filter lens -- only thing I need is to know the exact focal distance of this lens (or dioptres, or ...
0
votes
1answer
287 views

Camera and lens for shooting furniture

I have to buy a camera to shoot high quality photos of furniture. The furniture will be both indoors and outdoors. What kind of lenses do I need? I was considering a Nikon D3200 or a D5200 for the ...
0
votes
2answers
89 views

Is a Sigma AF 28-80 an useful addition to a Nikkor 35-105 macro?

I'm experimenting with photography and I'm on a budget: I'm using a Nikon D70 and I already have a Nikkor AF 35-105 f/3.5-4.5 macro and a 50 mm f/1.8 E (manual focus). Now I found a cheap Sigma AF ...
1
vote
2answers
126 views

What causes the image in the view finder to tilt when using manual focus with my Canon 18-135 IS lens?

I'm having the exact same problem as this guy is having:http://forums.usa.canon.com/t5/Lenses/Canon-18-135mm-IS-Lens-Jumps-during-manual-focus/td-p/44493 Problem description: I'm having a problem ...
2
votes
3answers
262 views

Is 50-200mm (APS-C) a good zoom range for a single lens for people, buildings, and distant objects?

Assuming I do want to take pictures of things like people, buildings and things further away, but not too far away. Does it sound reasonable to buy a 50-200 mm lens, when just considering the distance ...
1
vote
1answer
91 views

How come AF changes the way my flash works?

When I select AF instead of M on my 55-135 canon IS Lens, mounted on my Canon 700D, the flash sort of pops before I finish pressing the button and then again after I press it and it makes this scary ...
1
vote
2answers
213 views

What does the aperture range in a lens name mean?

Regarding lens descriptions, what does the relationship between aperture range f/3.5-6.3 and focal length range 18-270mm mean? How does this work?
1
vote
1answer
361 views

Effective zoom of Sony 55-210 lens (e-mount for NEX series camera) [duplicate]

According to Sony's website this lens has a zoom factor of 3.8. I currently have an 18-55 lens that came with my NEX-3F that has a zoom factor of ~3.1. Since the 55-210 pics up where the 18-55 leaves ...
0
votes
2answers
64 views

Canon PowerShot sx500IS filter size

What is the filter size of the fixed 30xIS Canon Zoom Lens found on the PowerShot SX55IS?
3
votes
6answers
412 views

What equipment should two very amateur photographers bring on a very short safari?

My girlfriend and I will be going on a 3 day/2 night safari in Kenya (Masai Mara). I'm looking for an inexpensive way to upgrade our equipment in the best way possible. We know next-to-nothing about ...
0
votes
1answer
209 views

Is this attempt to make lens measurements and focal lengths more intuitive correct?

I know next to nothing about cameras (other than how to push the shutter button). Up until a few days ago I thought of zoom as simply a multiple (e.g. my Canon S95 has 3 or 5X optical zoom) and had ...
1
vote
1answer
109 views

What are the distinquishing features of 50mm prime lenses for Sony?

I have a Sony SLT A58 and the standard 18-55mm zoom, and am thinking to go for a 50mm prime — but I am not sure which is the best one for me. Are there other manufacturers besides Sony which develop ...
2
votes
1answer
144 views

Why do 3rd party lenses have compatibility issues?

I actually have 3 questions, related to this topic: 1) Do third party manufacturers like Sigma/Tamron/Tokina license the right to develop for Nikon/Canon mounts? I've heard people say they do, and ...
3
votes
3answers
403 views

What is the best techniques to photograph large rugs?

I am trying to take pictures of small and large rugs. I have Canon 6D with 24-70mm lens. Could you please suggest the best way for mounting the camera to the ceiling, and any other recommendations for ...
3
votes
4answers
753 views

How do I choose a zoom lens for Canon APS-C?

I know nothing about any of this. From my research, Canon's 70D looks like a good camera body for a retired (31 years) professional photographer (my dad) to "pick the camera back up" in the digital ...
2
votes
1answer
215 views

Can I use Wide Angle Lens converter for my existing lens Nikkor 35mm f1.8?

I have a D3100 Nikon with a 35mm f1.8 prime lens. I want to buy a wide angle lens converter to make it more like a wide angle lens. What is your advice on that? How do I know whether the lens ...
3
votes
2answers
150 views

Can lens coating be reapplied?

If the lens coating is torn or worn of by extended use, is it possible to reapply it? I don't mean a do it yourself repair, but rather a repair performed by the manufacturer. It also may very well not ...
0
votes
2answers
215 views

EF vs EF-S for a Canon 70D body? [duplicate]

Stretching my budget for a new 70D body. Seems to be exactly what I'm looking for. Am I wasting my money only purchasing an EF lens to go with it? The EF-S is well out of my price range.
0
votes
2answers
477 views

Capturing astro photography with D7100

I just bought a Nikon D7100, with the basic kit lens 18-105mm. I was wondering, if I can capture stars or milky way with it. Will the answer to this question work for me? As it says 24mm on f/2. Also ...
0
votes
3answers
143 views

My EFS 17-85 lens doesn't focus or click a picture

I have a Canon EOS 400D with a EFS 17-85 mm lens. The camera doesn't capture a picture with this lens attached. It focusses back and forth exactly once per click. I tried with different modes and its ...
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 ...
3
votes
1answer
256 views

Was the background blur in this image done with a Petzval lens?

I am interested to know how the background blur in this image was done. Is it a petzval lens?
0
votes
2answers
159 views

Baby photo shoot lens selection

I am planning on doing a homemade baby photography for a 3-week-old baby (my daughter :)). I count on a Nikon D40 (I know, need to upgrade!) and 2 lenses: 18-105mm and a fixed 50mm f1.8. Which lens ...
0
votes
0answers
31 views

Could i go for kit lens or body+separate lens? [duplicate]

I'm going to buy Nikon D 7100. But regarding lens, i'm not sure what is better to opt? Could i go for kit lens or body+separate lens????