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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.

learn more… | top users | synonyms (1)

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3answers
4k views

Are Nikon lens double the cost of Canon auto-focus lens?

Are Nikon lenses double the cost of canon Camera? Point in case, below. I am an amateur photographer and my usual requirements are: Portraits with nice Bokeh Macro (flowers, insects etc.) Day ...
2
votes
0answers
83 views

How Focal Lengths is related to Sensor Size? [duplicate]

Possible Duplicate: What is the difference between focal length and crop factor? I was watching a video review of Tamron 70-300 lens where he mentioned that effective Focal length for a ...
7
votes
4answers
43k views

How do I decide between the Canon 55-250mm or 70-300mm + 50mm?

I just bought a Canon Rebel T2i (EOS550D/Kissx4) with 18-55mm kit-lens and I have an additional $300 USD to spend on a lens. I had decided to buy a Canon EF-S 75-300mm f/4-5.6 (without IS) and a Canon ...
5
votes
2answers
1k views

Focus ring stuck on Canon 17-85mm lens

I have a Canon EF-S 17-85mm f/4-5.6 IS USM lens on which the focus ring is stuck/jammed. Is this something I could easily repair myself? If so, are there any detailed instructions on-line on how to ...
4
votes
1answer
4k views

Nikon 24-70 versus 35-70 Image Quality and Sharpness (only)

I am planning to buy a 24-70 but I saw a second hand 35-70 AF in a store nearby, I did some research and again, I stumbled upon Ken Rockwell's 35-70 review, in which he states: This 35-70mm f/2.8 ...
15
votes
7answers
8k views

Is a UV filter better for lens protection than a protector filter?

I'm usually very good at getting water/finger marks on lens, so I must use something for protection. Is there any downside of using an UV filter instead of a protector filter? Example: Hoya HD ...
3
votes
3answers
724 views

Upgrade from EF-S 15-85 IS

I currently own a Canon 60D, and I am perfectly happy with the camera. It is going to be years until I move to a better (most likely full-frame) body. My main, walk-around lens is the 15-85. I am ...
7
votes
2answers
2k views

Canon 50mm f/1.8 vs Canon 28mm f/1.8 (vs Sigma 30mm f/1.4)

I have the nifty-fifty and I am in love with the kinds of images it can produce, particularly when it comes to portraits. I really enjoy the lens, but I have one problem; it is a little bit too tight ...
4
votes
5answers
974 views

How to protect surface of lens or filter from condensation of moisture

This happens when the temperature is coolest often late at night or early in the morning. Few days ago I did night shots and every 4-5 minutes I had to clean filter from water (mist). Is there any ...
11
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8answers
2k views

Can a sharp picture with a kit lens plus post processing rival a “pro” lens?

If I am able to take a relatively sharp picture with a kit lens, and boost the vibrance and or saturation during post processing, will that picture be comparable to ones taken from an expensive ...
1
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2answers
582 views

Pentax DA L 55-300mm lens very soft--is it broken?

There seems to be a problem with my DA L 55-300mm lens, with very soft output at or near the telephoto end: Wide-open test shot Pentax K-5 with Pentax DA L 55-300mm @ 300mm. Av, 1/320s f/5.8 ISO ...
1
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1answer
1k views

What are screw drive lenses?

Are lenses known as screw drivers actually available?If so what are their features and why are they called so.Name some of the lens and their manufactures.
4
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1answer
1k views

Is the Quality Inconsistent on the Canon 24-70mm f/2.8 L MkI lens?

I'm considering buying a Canon 24-70 L Mk I. There is one thing that scares me a bit, though: reading reviews around the intertubes it appears that a fair number of people had to send their copy back ...
5
votes
3answers
8k views

Nikkor f/1.8G 35mm or 50mm?

I'm new to photography. I got Nikon D3100 with 18-55 KIT. I was looking to buy 1.8f prime lens. I found two options. AF-S DX NIKKOR 35mm f/1.8G and AF-S DX NIKKOR 55mm f/1.8G Which one you guys ...
0
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0answers
113 views

What is the significance of a 50mm lense? [duplicate]

Possible Duplicate: Why is the 50mm prime lens the most standard? Why do people recommend 50mm or other prime lenses as starting lenses for learning photography? I'm a completely amatuer ...
2
votes
2answers
1k views

What support system do I use to keep a telephoto lens stable?

At the moment I use Manfrotto 055XPROB Pro Tripod with Photo/Video Pan and Tilt Head 391RC2 to hold Canon EF 100-400mm lens. Even-though in most cases this stable, on the extreme end I do get blur. At ...
2
votes
3answers
795 views

Tips to buy second lens for Canon 550D

I recently had brought Canon 550D - My first (D)SLR - with the kit lens. I want to buy an additional lens for use both indoors and outdoors, but I'm confused about what type or focal-length I should ...
3
votes
2answers
843 views

Suitable lenses - Canon 5D Mark II

I have recently purchased a Canon 5D Mark II, which is quite a step up from my previous 450D. I am hoping to purchase some lenses that would be most versatile primarily for travelling photography ...
9
votes
4answers
915 views

How do I eliminate lens flare in my pictures?

I have taken a few pictures that show these circles, and I'm getting very annoyed at this problem. Seems most common on sunny days. This particular picture is not my own, but it is a good example of ...
2
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5answers
1k views

Is the Nikkor “AF-S 35mm f1.8G DX” as close to a 50mm as I can get on the Nikon D5100

I have a Nikon D5100 and would like a standard 50mm lens. Considering the Nikon 1.5 crop factor, Is the Nikkor 35mm DX as close to a effective 50mm as I can get with this camera?
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1answer
386 views

Below which focal length are lenses considered to be wide angle?

Focal length is the only factor that decides whether a lens is described as being normal or wide angle. Below which focal length are lenses considered to be wide angle? Is this focal length the same ...
2
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2answers
475 views

What results to expect from a Hasselblad Carl Zeiss 50mm 4f on a Nikon adaptor

Having just acquired an old 'blad + lens (Zeiss Distagon 4/50 T*), I noticed that there are a number of adaptors available to fit the lens onto Nikon DSLRs. Has anyone any experience doing this? Is ...
21
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14answers
19k views

How do I get a stuck screw filter off of my lens?

There is a UV-filter screwed on my Canon 16-35mm. For some reason, I'm not able to get it off the lens. Does anyone has a simple but safe trick?
15
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5answers
15k views

Are mirror lenses good for wildlife photography in daylight?

I've recently seen these Rokinon/Opteka mirror lens with whooping focal length (like 500mm, 600mm, 800mm, 1000mm) at a cheap price. And I have seen some of their same pictures in Flickr and vendor ...
5
votes
1answer
147 views

How can you tell if a Nikkor lens is an FX lens?

How can you tell if a Nikkor lens is an FX lens? I assume if DX is not in the nomenclature that it must be an FX lens. Is that correct?
-1
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2answers
334 views

Lens recommendations for a D800 [closed]

I recently bought a Nikon D800, and was wondering if you guys could give me lens recommendations to take advantage of its sharpness. I already have a micro 105 and the excellent 16-35. I'm looking for ...
0
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0answers
55 views

What to look (out) for when buying a second hand lens [duplicate]

Possible Duplicate: What should one look for when buying a used lens? I'm fairly new to photography, so I'm not really familiar with all the details and pitfalls and what not. Now I'm ...
1
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3answers
1k views

Beginner lenses for Canon T2i

What are the best lenses for starting out with a Canon T2i while still covering a whole bunch of creative techniques / teaching photography (and also theory) to beginners
1
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2answers
977 views

What is a super-zoom lens for Sony NEX or Samsung NX?

I'm considering to buy a camera such as one in the Sony NEX or Samsung NX series. Do you know which of the 2 series has a lens that is equivalent to the Sony DSC HX200V's 30x optical zoom (Focal ...
2
votes
2answers
180 views

What would be a recomended telephoto lens for infrequent use in landscape photography?

I'm in the process of preparing for an upcoming trip and I'm going back and forth between the EF 200mm f/2.8L II USM and EF 70-200mm f/2.8L IS II USM as the telephoto lens to purchase to bring along ...
4
votes
3answers
396 views

Are fully automatic DSLR lens changers available? What are suitable alternatives?

Do portable fully automated DSLR lens-changers exist? If so, how well do they work and how do they compare with alternative solutions. I've seen many "lens bags" offered to ease the lens ...
1
vote
1answer
133 views

Pentax DA L lens focusing scale? [duplicate]

Possible Duplicate: How does one focus for landscape photos in very dark conditions? I have a Pentax K-r with the kit DA L 18-55 and a prime DA 35. As far as I'm concerned, they are good ...
3
votes
2answers
199 views

lens care: compressing lens without full-time manual focus when camera is off?

The lens manuals for my lenses without "full-time manual focusing" warn not to use the focusing ring when it's in Auto-Focus mode. I assume that even applies when the camera is off, but am I being ...
7
votes
3answers
3k views

What are the London Olympics 2012 official camera equipment restrictions?

Is there any official information on restriction on equipment length for the Olympics 2012 field events. It's been said that camera and lens must fit into a 30x20x20 bag.
0
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1answer
143 views

How to take care of a new lens?

I'm planning on purchasing a new lens for my camera for macro photography, specifically this one: Tamron AF 90mm f/2.8 I've heard that it is a good idea to put a "UV filter" on front on the lens. Is ...
2
votes
3answers
972 views

Is it possible to physically calibrate a Nikon 50mm 1.4G

Having just bought a Nikon D800, i decided to have a play with the 50mm 1.4G on it. I noteced it was back-focusing by about 2cm so tweeked the AF fine-tune. however thats now maxed out at -20 and its ...
3
votes
2answers
709 views

All my photos were blurry

I recently did a shoot of a baby and my 6 year old son, and I got some fantastic shots that were super sharp. I then did another shoot of a 6 year old and toddler and every single photo was slightly ...
1
vote
3answers
192 views

What are IS modes and what are their purposes?

After reading the answer by Bill to this question became curious about IS modes. So, What is basically IS mode? Does all lens comes with various IS modes? And what are various situations to use these ...
6
votes
3answers
3k views

Are there any drawbacks to buying a white box item?

My friend just bought Canon T3i body only and he is looking for a lens. We decided Canon's 18-135mm would fit him as all purpose lens as a beginner. Here is the lens we found... but it says 'White ...
5
votes
3answers
2k views

Lens in salt water - now what?

My lens was flooded by a salt water wave. It is a 55-200 lens and now there are little water drops on the inside of the front element and some salt around the body. Is there anything I can do to ...
0
votes
2answers
364 views

Which lens will be good for a new photographer with Canon 60D camera? [duplicate]

Possible Duplicate: How to choose a lens for my first DSLR? I am new in the world of photography. I bought a Canon 60D camera. With my camera I have no lens. Now I am really confused. After ...
1
vote
1answer
396 views

Do non-distorted wide angle lenses exist for the Pentax KR?

I do a lot of shots for work (interior design). We use a Pentax KR, which we like, but because of the size limitations of some rooms, it's hard to get a decent photo of them displaying how the room ...
9
votes
1answer
5k views

What is the 'Maximum Reproduction Ratio' of a lens?

A review of a Sigma 19mm f2.8 lens contains the following line It has a minimum focusing distance of 20cm /7.9in and a maximum reproduction ratio of 1:7.4. So, as in the title, what is 'maximum ...
9
votes
3answers
3k views

How do I know if a lens is genuine?

I'm in Times Square shooting the Imagine Cup event, and several people said that to fix my shot, I would need a faster lens. Just for the hell of it, I went across the street to a photo shop to see if ...
0
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1answer
277 views

Need lens sugestion for canon 550D camera [duplicate]

Possible Duplicate: Lens upgrade paths (sub $1000) for the EF-S 18-55mm IS kit lens for Canon APS-C cameras I am new to dslr photography, i started with Canon 550d DSLR camera with efs ...
11
votes
2answers
702 views

Will my EF or EF-S lenses work on EOS Film Cameras?

I've got a Canon 500D and a number of lenses. I was thinking of picking up a cheap Film EOS camera from E-bay to mess around with. I just wanted to double check that my current lenses would work on an ...
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2answers
598 views

SUGGEST A WORTHY LENS FOR D3200 [closed]

SUGGEST ME A WORTHY LENS FOR $ 200 TO TAKE PORTFOLIOS AND MODELING. I am using a nikon d3200
7
votes
1answer
317 views

What causes this bluish tint and other anomalies in this image?

I bought a Tamron CF Macro 28-70mm 3.5-4.5 lens on eBay for $35 AUD plus postage - cheap enough to give it a go and see what it's like. I took a range of photos with my Sony NEX-C3 to get a feel for ...
3
votes
5answers
551 views

Which Canon L lenses offer a big advantage over their non-L counterparts?

A "what lens" thread with a twist: While buying the Canon D5III, I can get any Canon L lens 3000 NOK cheaper (roughly $490 or €400)! I already have these lenses that I will use with the new camera: ...
3
votes
2answers
649 views

Which lens to buy for capturing hot air balloons?

There is a hot air balloon festival coming up in my state. As part of learning photography, I plan to go and capture some nice shots during the event. I currently have Canon Digital Rebel Xsi with kit ...