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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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2answers
117 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 ...
0
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3answers
235 views

How should one compare lenses for new mirror less cameras vs established best of class?

As someone recently new to photography, I am curious for those jumping on the mirrorless bandwagon what concrete things (especially re: quality) are sacrificed moving to these cameras. Take for ...
3
votes
3answers
91 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 ...
2
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2answers
481 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?
2
votes
1answer
270 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 ...
3
votes
1answer
181 views

Where to fix Canon lens, other than Canon?

I have a 70-200 2.8L II lens that was broken on a photoshoot (dropped 1 ft). The glass is intact (thank you, UV filter) but there is some issue inside the lens where the images aren't focused and the ...
2
votes
2answers
133 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 ...
1
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3answers
668 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 ...
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0answers
33 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 ...
1
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3answers
286 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?
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2answers
401 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 ...
1
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1answer
316 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
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1answer
230 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
175 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
463 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
91 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
312 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
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3answers
169 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
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2answers
212 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 ...
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5answers
1k 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
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2answers
146 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
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4answers
258 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
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1answer
155 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
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1answer
210 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
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4answers
551 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
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1answer
1k 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?
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2answers
239 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!
1
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1answer
491 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
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2answers
132 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
800 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
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3answers
966 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?
10
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3answers
736 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
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2answers
583 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
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1answer
596 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 ...
5
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2answers
197 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
86 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
171 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
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2answers
79 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
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1answer
71 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
575 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
114 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
135 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
385 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 ...
2
votes
2answers
254 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
844 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
118 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
476 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
212 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
152 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 ...