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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
2k views

Canon 550d Kit Lens or not?

I'm a beginner at photography, I'm looking at buying my first DSLR (currently the Canon 550d looks promising) so I'm wondering if I should buy the camera with the kit lens (EFs 18-55mm IS) or buy just ...
6
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2answers
429 views

How should I use lens cleaner?

I got a free lens-cleaning kit with a lens I bought the other day. It has a small bottle of alcohol lens cleaner, but I'm not sure how to use it, should I apply it directly to the lens, or onto a ...
8
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3answers
614 views

What motor gets used if both lens and camera body have a focus motor?

If both a camera body and lens have motorized autofocus, would one be used over the other or would both work in tandem to speed the focus process along?
5
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4answers
4k views

Is it best to transport a camera with lens attached, or off?

I'm traveling now(I'm at Aruba) and I bought me a Canon 60D with the lens kit(EFS 18-55mm). I never used a camera that has removable lens like this one, my last one was a Panasonic Lumix DMC-FZ18, so ...
21
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0answers
575 views

Is Image Stabilization better in the lens or the body? [duplicate]

Possible Duplicate: What is the difference between in-lens image stabilizing and in-sensor image stabilizing? Some DSLR manufacturers have image stabilization (IS) in the body of their ...
2
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6answers
708 views

Which Telephoto Zoom Lens?

I am an enthusiastic hobbyist who uses the camera for social events/parties once or twice every week. My current kit is Canon 60D and for close up portraits, I am using Sigma 85mm F1.4 and for my ...
2
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3answers
407 views

What is the difference between the two Pentax 50-200mm DA lenses?

Pentax offers two DA zoom lenses with a 50-200mm range: smc PENTAX DA 50-200mm F4-5.6 ED WR smc PENTAX DA 50-200mm F4-5.6 ED The only obvious difference I see between them is that one is weather ...
12
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7answers
4k views

Does an ultra-wide lens perform well in landscape photography?

I own a DSLR for less than a year, currently shooting with my Nikon D90 and 18-70mm DX lens. Since the beginning of it, I am deeply in love with shooting landscapes photography: seascapes, skyscapes, ...
4
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5answers
1k views

Are Sigma DC 18-50 1:2.8 EX sharpness problems common with wide apertures?

I got this Sigma DC 18-50mm f/2.8 EX MACRO HSM lens few weeks ago, but I noticed considerable sharpness problems with wide apertures. Until f3.5 (or even f4.5) this lens can't really be used. I would ...
11
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4answers
796 views

Experiences with lens repairs - Quality degradation?

A friend of mine fell with my new Canon EFS 15-85mm lens - nothing happened to the camera, but the lens is... well see for yourself: As you can see the top part of the lens looks bent towards the ...
2
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3answers
909 views

What is a good freelensing lens I could use on my Nikon DX?

I have a Nikon D7000 and have tried freelensing with my Rokinon 85mm f/1.4, Nikon 35mm f/1.8 DX, and a zoom Nikon 35-70mm f/2.8 without much success. The problem is that everything is out of focus no ...
13
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5answers
4k views

What is the meaning of “stopped down”?

Was reading this answer (emphasis mine): It also tells us that the lens was stopped down, as if it were wide open there would be no corners to cause diffraction, regardless of the number of ...
1
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2answers
595 views

What are the best fisheye lenses one can still buy that are full frame on 35mm film?

The vast bulk of fisheye lenses produced now are targeted at digital image sensors and so they aren't full frame on 35mm film. What are the best fisheye lenses that one can still buy reliably that are ...
10
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1answer
426 views

Can anyone identify this lens?

I read once, in a book, about a lens that was an "inverse fisheye". Basically a hemispherical mirror mounted at one end of a glass tube. I can't remember what it was called, nor can I find any ...
11
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4answers
2k views

Is EF-S 17-55 f2.8 IS USM really a 'L series' grade lens?

Some reviews say yes. But since it costs as much as an EF equivalent, why not name it as 'L'? Is there any better lenses in this range (EF or EF-S)?
2
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1answer
1k views

Which 70-300mm lens between the Nikon VR and Sigma? [duplicate]

I am confused about selecting a 70-300mm lens. I have 2 lenses to decide between, the 'Nikon 70-300mm f/4.5 - 5.6G ED-IF AF-S VR' and the 'Sigma 70-300mm F4-5.6 APO DG'. I hear lot of good things ...
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6answers
5k views

What's a good Nikon lens (DX) for a serious hobbyist landscape photographer?

I shoot a bit of everything, though mostly landscape stuff. Mostly with a beanbag, or handheld. I currently have the following lenses: Nikkor 18-70mm f/3.5-4.5G ED DX Sigma 70-300mm f/4-5.6 APO DG ...
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1answer
2k views

Macro Lens comparison : Nikon 85mm DX vs Nikon 60mm (FX)

What is the point of buying the 85mm DX AF-S f/3.5G for 476$ versus the 60mm AF-S f/2.8G for 540$. It's 64$ to get f/2.8G over f/3.5G, it's close to be the same focal on a DX 85 vs 90 (1.5 X 60) and ...
1
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5answers
2k views

How to choose a lens to get a shallow DOF effect? [duplicate]

Possible Duplicates: Can I get a shallow DOF using a kit lens? Help with getting bokeh effect. I'm an amateur photographer, just getting into photography. I read some things about lens ...
2
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7answers
1k views

What lens should i buy for my vacation?

I am going on a cruise to Greece and Italy this summer, I really wanted to buy a new Canon lens for my t2i but i am confused whether to buy the 17-40 f/4.0 or the 15mm 2.8 fisheye. Any help?
9
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6answers
323 views

Aside from sharpness & speed, what are the benefits to photo composition\optical quality provided by premium lenses over their cheaper counterpart?

I have gone through quite a few lens reviews and questions on this site that recommend expensive lenses over their cheaper counterparts. From what I've seen in the reviews, there is a marked ...
0
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0answers
503 views

What is the difference between a Canon EF and EF-S lens? [duplicate]

Possible Duplicate: What is the difference between EF and EF-S lenses? I read here: EF: Electronic Focus EF-S: Short-Back Electronic Focus Is the difference significant? How much ...
11
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3answers
944 views

When removing a lens, does Image Stabilization need to be turned off on the lens?

I am taking a photograph course and the instructor, who repairs cameras, says it is extremely important to turn off the Image Stabilization on the lens before you remove it from the camera. He says ...
15
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3answers
5k views

Does a bigger aperture create better photos?

I have observed that the wider the aperture, the more expensive the lenses are. However, I would like to know whether it really makes a difference in your photos or not?
4
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3answers
608 views

How to avoid lens flare?

I often have slight reflections in my lens when the sun (or another bright source of light) is directly in front of my camera. As a result of this effect I had to change the composition of my picture! ...
4
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7answers
1k views

What's a Good All Purpose Compact Lens for a dSLR …?

Following on from an earlier post, I've decided to persevere with the behemoth for a bit and see where it goes. It may lead in the direction of a Canon G11/12 or S90/95 - only time will tell. In the ...
4
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6answers
318 views

Recommendation for low-priced faster fixed-focal-length lens for Nikon D50

I'm looking for a lens for portraits and closeups (leaves, branches, icicles) that would be fast enough to get a blurred background. Any suggestions? I'd like to get something for $200 or less. ...
15
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6answers
665 views

Overlapping vs. Complementary lenses

I'd like to know if anyone has any advice or experience they can share about using a pair of zoom lenses that have overlapping focal lengths; or a pair of zoom lenses that have adjacent focal lengths. ...
6
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4answers
799 views

Is depth of field and bokeh influenced by distance to the subject?

I know that the aperture size has a direct effect on the depth of field. However, what about distance to the subject? Let's say I took two pictures, one at 24mm and one at 70mm, using the same lens ...
5
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4answers
6k views

Canon lens equivalent to NIKON AF-S DX 35mm F/1.8G?

A friend of mine has a NIKON AF-S DX 35mm F/1.8G lens and I would like to purchase something (at least) equivalent for my Canon, if possible at a similar price. As I understand it, while 35mm still ...
7
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2answers
754 views

Using SLR Lenses on DSLR Cameras

I'm just starting out with DLSR photography - I recently purchased a Sony A230 with the kit lens (18mm - 55mm). I know that the lens mount is compatible with Minolta lenses. These lenses were ...
6
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1answer
2k views

Why Must I Lock The Aperture On My AF Lens On My Nikon D40

I am using the Nikon 50mm f1.8 AF lens on my D40 and the photographs look excellent - I have to manual focus, but this suits me just fine for the portrait shots I'm taking. The problem is that to use ...
6
votes
1answer
701 views

Canon 70-200/2.8 IS (mk1) VS 70-200/4 IS

Currently debating which of these lens to get. The f/4 does have the advantage of being lighter, and there have been reviews that it's sharper than the f/2.8 wide open or with both at f/4. Rather ...
2
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3answers
1k views

Problem in using 70-300mm non VR lens with Nikon D5000

I am finding it quite difficult to use my 70-300 Manual focus non-VR lens with D5000. Learnt it from experts that 70-300 non VR lens does not perform well with D5k though the lens mounts on this body! ...
2
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3answers
3k views

Is Sigma 17-70mm f/2.8-4 DC OS or Canon 17-55mm IS USM the better general purpose lens?

I'm looking for a new general purpose walk around lenses for my Canon XTI Rebel. Right now I have a the original Sigma 17-70 f/2.4-4.5 that does not have image stabilization, and looking to upgrade to ...
5
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2answers
1k views

Nikon 18-200mm lens work with either of these d90, d3100 or d5000?

I am new to DSLR cameras and i have been doing some research on them from last few days and then i wanted to go for one of these model bodies: D90, D5000 or D3100 and i want to purchase the following ...
10
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2answers
863 views

What is manual-priority autofocus?

I have been looking at the Nikon AF-S 35mm f1.8 lens and it has two focus settings: Manual Focus Manual-Priority Autofocus What is "manual-priority autofocus"?
6
votes
5answers
442 views

What is needed for a photoshoot in a concert?

I have been invited to take some photos from an ensemble in a conservatory. I do photography a lot, but mostly outdoors and this is going to be my first experience. I have a Canon 50D with 2 lenses: ...
21
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6answers
1k views

Should I be worried about getting dust inside my SLR?

I recently went to Silverstone to watch the F1 qualifying and took my DSLR camera with me. Throughout the day, I switched lenses a few times, but each time was very conscious that there was a lot of ...
11
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6answers
2k views

What should I do to avoid switching lenses?

I'm thinking of buying a telephoto lens for my Canon 550D (3x zoom isn't very helpful), but I won't be able to do very good macro shots with it. Since I do a lot of both, I would be switching lenses ...
6
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6answers
2k views

Lens for shooting paintings with Canon 550d

I am purchasing a Canon 550d primarily to document my fiance's artwork for archival purposes. I would like to know what lens or lenses you would recommend in order to minimise distortion. I will be ...
16
votes
3answers
5k views

Is it ok to use a lens hood in low light?

I have read some of the other questions about lens hoods (for example, this one) and I hope that this is specific enough to not be considered a duplicate. My understanding is that lens hoods block ...
12
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4answers
2k views

Sigma 10-20mm f5.6 alternatives?

I've been wanting to add a wide angle lens to my collection for a while now. Sigma 10-20mm f5.6 looks good. I was looking at it about 2 years ago. I was wondering if there have been newer wide angle ...
7
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7answers
448 views

How come some 3rd-party lenses cost more than those from the manufacturer?

I was trying to save some cash on a 50mm f/1.4 for my Nikon d7000. I see the Nikon 50mm f/1.4 costs almost $400 USD. I thought a 3rd-party lens would be cheaper so I checked out the equivalent Sigma ...
12
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5answers
4k views

How does a tilt-shift lens work, and why does it solve certain problems?

So, I understand that a tilt-shift lens solves certain problems with shooting buildings and getting straight lines and such, but what I've not understood is why. I'm looking for the technical reasons ...
5
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1answer
382 views

AF switch on lens vs. AF switch on camera

Is there any difference between using only the AF/MF switch on my camera (Nikon D90) or using the AF/MF switch on my lens (18-105mm)? Could having autofocus on my camera switched to manual focus ...
40
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8answers
7k views

Why is the 50mm prime lens the most standard?

Seems that most photographers choose the 50mm as their prime lens (at least from what I've read). I'm looking at getting a prime lens for my Nikon D3000 and the cost difference between the 35mm 1.8 ...
3
votes
6answers
243 views

Anyone got some good, simple introductory lens guides?

I want to educate myself and am immersing myself in everything photography-related. I'm picking up the concepts fast because I was a physics major in college (and thus have some background in optics) ...
10
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5answers
3k views

Is the Nikon 35mm 2.0 worth the extra money over the 1.8?

After asking this question I'm thinking the 35mm prime lens will do the job for me. Since I take a number of photos indoors and in low light conditions, this lens will let me sty reasonably close to ...
10
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4answers
518 views

Nikon lenses: to G or not to G?

I am set to buy a 2nd lens to my d7000 kit lens. I’m close to deciding between the 35 or 50 mm, I will likely go for the f1.4 version and wanted to determine if I would need or appreciate the G ...