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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
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1answer
557 views

What is the meaning of the letters “O.M.P.” for Canon lenses?

What do the cryptic letters "o.m.p." mean for a Canon lens? For example, EF 24-105mm f/4L IS USM O.M.P."
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votes
5answers
2k views

Lenses recommended for a beginner filmmaker?

I am a beginner to the DSLR world, and have just purchased a Canon 60D body. I am struggling to make a choice for the first lens(es) I should buy. My primary usage would involve video rather than ...
21
votes
2answers
926 views

Considerations when purchasing a prime lens?

What should I be aware of when buying a prime lens (other than that it will fit my camera)? What specs should I pay close attention to?
4
votes
1answer
217 views

How to set up a safe environment to clean inside an old lens?

I have a couple of old lenses from film SLRs that I picked up at an opp shop a few weeks ago. A few of these lenses are in pretty good shape, except the fact they have fungus growing inside the lens ...
2
votes
4answers
1k views

How to choose lens for macro photography?

I have a Canon EOS 450D and the three following lenses : Canon EF-S 18–55mm lens f/3.5–5.6 Canon EF-S 55-250mm f/4-5.6 IS Canon EF 50mm f/1.8 II I would like to give Macro photography a try (lego ...
8
votes
2answers
1k views

Do lenses with the same f-stop but different focal length gather the same amount of light? [duplicate]

I'm taking images of a light source in a scientific labratory, and I thought I had a good grasp on all these things, but now i'm second guessing myself after some results. The most important thing is ...
2
votes
2answers
560 views

Is trading Canon 18-135mm + 24mm lenses for a 17-40mm L or 70-200mm f/4 L a good decision?

I currently have a Canon 60D with an 18-135 lens and a 24 mm f/2.8 lens I hardly use. I really fancy the 24-105L IS (colour, sharpness, etc) and the 100-400L for the length (Freud would have something ...
0
votes
3answers
947 views

FIlter for Canon L 2.8 IS 100mm macro lens? [duplicate]

I finally bought myself an L lens - it gets here tomorrow. I usually buy the cheapo UV filters, but I'm wondering if in this case - more expensive is "better?" I'm by no means a professional - I just ...
1
vote
1answer
121 views

Options for close-up shots [duplicate]

I'm rather new to photography, having come from an amateur hobbyist video background. I recently purchased a Sony Alpha A58, and I want to take high quality close up shots. As I understand it, I need ...
8
votes
3answers
705 views

Why are Zeiss lenses heavier and larger for Canon EF than Nikon F mounts?

We recently acquired specifications for all DSLR lenses by Carl Zeiss and almost always the Canon EF-mount version is larger and heavier than the Nikon F-mount version. The difference ranges from ...
1
vote
2answers
920 views

Name of contact pins of Canon mount and where to buy it?

I want to convert my Canon lens into a macro lens. I really need the contact pins to customize the ring so the aperture will work. But I can't find it anywhere. Does somebody know the name of this ...
-1
votes
1answer
179 views

What is the ideal focal length for videography? [closed]

While this forum is about photography, most of the DSLRs today can be use for videography. What is the ideal focal length when doing a VTR or Video-Tape Recording? I'll be doing a video presentation ...
11
votes
9answers
4k views

What options do I have for a normal and fast prime lens for a Canon APS-C camera?

I'm looking for a normal prime lens, desirably fast and not too expensive, for my 450D. 50mm seems to be the normal focal length on FF, thus for APS-C, I need about 30mm. I want it to be fast as I'm ...
7
votes
4answers
642 views

How can I check for damage to my lens from impact with a window?

I was taking a photo at an airport when I accidentally zoomed my Canon SX40HS into a window. The impact wasn't super hard, but there was a thump. I cannot see any visible damage, but how can I check ...
10
votes
6answers
4k views

What is a good Canon lens to take portraits?

I have a Canon T2I, and also a good prime lens (50mm / f1.8) but I cannot seem to take close up portraits like I see in magazines. Do I need a better lens?
31
votes
6answers
22k views

Is it worth to upgrade from Canon 50mm f/1.8 to Canon 50mm f/1.4 on 550d?

I'm a newbie in the world of DSLR photography, having played around with my Canon 550d for few months. After posting my first question here and getting some superb advices I decided to buy Canon 50mm ...
4
votes
2answers
71 views

How to perform a proper lens comparison test?

I already have a 50/1.4 lens and plan to buying a more expensive version of this lens which only just came out and still not available in most parts of the world. Since this is a brand new lens, there ...
16
votes
2answers
3k views

Why are cine lenses so much more expensive?

For example, compare a cine lens like the Zeiss Compact Prime CP.2 50mm/T2.1 ($3,900) to a high-end DSLR lens like the Canon 50mm f/1.2L ($1418). Both are EF-mount, have the same focal length, and it ...
7
votes
4answers
1k views

Is it worth repairing a broken kit lens?

I dropped my camera while on holiday last summer. Thankfully, my camera wasn't damaged but the kit lens has lost the ability to autofocus and the UV filter and 58mm to 52mm filter step-down (I use it ...
2
votes
2answers
282 views

How to couple Canon lenses?

While reading the Cnet review of the Canon EF-S 55-250mm f4.0-5.6 IS, they made a point regarding coupling the lens with an EF-S 18-55mm f3.5-5.6 IS: When coupled with Canon's EF-S 18-55mm ...
12
votes
8answers
21k views

What is a good wide-angle prime lens for Nikon DX (APS-C) format?

I am looking for a wide angle lens for my D90, between 12 and 18mm focal length, preferably a prime, because I like fast(er) and cheap(er) lenses. Any recomendation ? Thanks
5
votes
2answers
368 views

Why aren't more lenses white?

So high end Canon lenses are white. This is to reduce heat, correct? If so why is this something that only appears in really high end Canon lenses. I wouldn't think that painting a lens white ...
7
votes
7answers
5k views

What are hidden-gem “bang for the buck” lenses for Nikon?

I'm about to buy a D700 Nikon (no, NOT D800). I have no Nikon equipment at all. I'll initially be retaining my "main" Sony based system while I get the D700 'up to speed'. In time I expect to have to ...
4
votes
4answers
3k views

What is the upgrade path for Nikon D300 with better low light sensitivity?

While I shoot Canon, my brother shoots a D300. We were talking about indoor sports photography. I don't know the Nikon lines, but I know that his D300 is a 2007 vintage, and sensors get better all the ...
0
votes
2answers
3k views

What level of zoom lens comes with a new Canon EOS 1100D?

I am a complete newbie to DSLRs. I am planning on buying a Canon EOS 1100D SLR with Kit (EF S18-55 IS II). (It's also known as the Canon Rebel T3.) I have a 10x optical zoom in my Point and Shoot ...
0
votes
2answers
305 views

Macro lens for general purpose shooting

I have a EOS 650D camera and 50mm prime lens for it. At the moment I am thinking about upgrade and looking for a not too much expensive zoom lens. I read that Sigma 17-70mm F/2.8-4 DC Macro OS HSM ...
4
votes
2answers
222 views

How do I best compare lenses?

Recently I purchased a $280 50 mm f/1.4 Canon lens. I've got a few lenses at this point, and I generally buy them on reviews and my needs. I bought this lens to do portraits. I also have a `18 - 55 mm ...
14
votes
5answers
21k views

If I have a 18-55mm lens, is there a point in buying a 35mm prime lens?

I have the Nikon kit lens that came with a D5100 — the kit lens is 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom. I was thinking of getting a fast lens and I am looking to buy the Nikon 35mm f/1.8G DX. ...
5
votes
3answers
663 views

What are the comparisons between the Canon TS-E 24mm f/3.5 L II lens vs the TS-E 45mm f/2.8?

I'm not sure which one suits best my needs. However, I am curious to know why the 24mm is a lot more expensive, given that it is a f3.5. Perhaps, the maximum aperture does not matter very much with TS ...
6
votes
7answers
3k views

Is the Canon 28mm f/2.8 sharp and good compared to the 18-55mm kit lens?

I have a Canon 500D/T1i with the kit 18-55mm IS lens. I need to replace the kit lens with a prime as a work around lens. I usually take photos of streets, people etc., and use the 20-35mm range of ...
6
votes
4answers
9k views

Canon kit with standard EF-S 18-55mm IS or 18-135mm IS?

I'm going to order a new Canon 550d in a kit with a lens. I'm fairly new to SLR photography which means I have not much knowledge about the difference between lenses. There is an offer for a Canon ...
6
votes
1answer
466 views

Why do lenses have different diameters?

Why do lenses (full frame) have different diameters? Does this difference affect the image circle? Whats the significance behind this? For example Nikon AF-S 70-300 has 80mm diameter and Nikon AF-S ...
2
votes
1answer
707 views

Is this sound normal for a Nikkor 55-200 VR?

I just bought a Nikkor 55-200 mm 1:4-5.6G ED for my D5000 and I found that if VR is enabled two things happen after I half press the shutter, wait for the lens to focus and release it: I hear a ...
2
votes
4answers
3k views

When should I turn off image stabilization? [duplicate]

I've read a bunch of the questions here about image stabilization, but I don't see any concrete examples/proof or references with regards to the benefits of turning off image stabilization. I've got ...
2
votes
1answer
132 views

Does security scanning a camera with battery inside cause damage to the sensor?

I was at 911 memorial last week. My Fuji S-1 Pro camera was scanned with the battery installed. Security personnel would not let me remove battery. Since then, a dark spot shows up on photos. This has ...
1
vote
1answer
136 views

Lens cleaning pen - disappointed by results, is this working right?

I just got one of these for the first time, a lot of threads on here recommend them and they seem like a great idea. Bought a Nikon one from amazon for $8 and while I really like the brush it seems ...
2
votes
4answers
894 views

Are there any lenses have smaller apertures than f/32?

While most photographers prefer fast lenses that range down to f/1.2, are there any lenses that go smaller than f/32? If there are, what is so special about those lenses that an aperture of f/32 ...
2
votes
2answers
214 views

Can wobbly lens parts significantly affect lens performance?

On one of my zoom lenses (Pentax DA 18-55mm WR), the inner barrel and focusing ring suddenly started to come a bit loose (not sure how, I handle it carefully). They can now move around a millimeter or ...
3
votes
4answers
381 views

What to do with 2nd hand sale of a lens showing oil/moisture coming out of the focus ring?

I just bought a used Canon 28-105mm and when I got it in the mail there was some weird shiny substance, possibly like oil, coming out of the focus barrel. Without thinking I wiped it off because at ...
0
votes
2answers
721 views

What is a good lens for a Canon 5d for birds/wild life with a budget of 1500 dollars

I am planning to buy a Canon 5d mark III, for landscape, wild life and bird photography. What would be an ideal lens with a budget of 1500-2000 dollars? And specifically, what is your opinion on the ...
2
votes
1answer
1k views

How to fix stuck aperture?

I have a Micro-Nikkor 55 mm 1:2.8 lens. The aperture appears to be stuck. Is it worth trying to repair the lens? Are there any good guides for disassembling the lens?
2
votes
4answers
3k views

Should I invest in E Mount lenses?

I never bought any lens. I always used kit lenses of my cameras. Now that I own a Sony NEX camera and I love it, I'm wondering if it's a good investment to start buying E Mount lenses for my camera. ...
1
vote
2answers
773 views

How can I repair a kit lens with a stuck auto/manual focus mode switch?

Recently got a Nikon D5100. After a few days I realized that I can't focus in manual mode. The auto-manual (A-M) switch on the lens seems to be the issue (I have to press the switch hard to manually ...
3
votes
2answers
316 views

How much versatility does a 85 mm lens have?

Can it be effectively used for landscapes as I am not a portrait shooter? This may be first "prime" lens so I need to understand what it's usable for. How far of a "range" does it have as far as ...
4
votes
2answers
2k views

What do I need to use a Nikon El Nikkor 50mm 2.8 enlarging lens with a Canon 5D mark II?

How can I connect the Nikon el-nikkor 50mm f2.8 enlarging lens to my Canon 5D Mark II? What adapter / reversing ring do I need?
0
votes
1answer
523 views

What is the better Nikon primes among 50mm/1.8G, 50mm/1.8D and 35mm/1.8G for my D3200? [duplicate]

which is a better prime lens for my Nikon D3200? nikor 50mm f 1.8g or nikor 50mm f 1.8D or nikor 35 mm f 1.8G ?? nikor 50mm f 1.8 is much cheaper. Though money is a constraint for me if the other ...
4
votes
4answers
452 views

Lens Cleaner Recommendations

What is, in your opinion, the best lens cleaner? Which do you think is the most effective/best value for your money/most easy to use, etc. Please include advantages/disadvantages as well as price and ...
1
vote
2answers
171 views

Lens won't focus except in video mode, and makes a funny noise: what's wrong?

My 18-55mm AF-S Nikkor lens seems to be faulty. It makes a funny noise when it tries to focus and can only focus at a close distance, not at a long distance. The shutter is very sluggish and slow. It ...
3
votes
2answers
405 views

Does high reflectiveness of digital sensor lead to poor lens performance?

I Googled film vs dslr and found an article from 2007 that said: Digital sensor has higher reflectiveness than film. The light bouncing back from sensor will cause flare and lead to poor optical ...
1
vote
2answers
3k views

Why would I use a rear gelatin filter over a front filter?

Lenses such as the Canon EF 17-40mm f/4 L USM offer rear gelatin filter holders, but also accept front filters via a 77mm screw on type. If I was using a circular polarizer, I would need to put it on ...