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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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10
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2answers
842 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
434 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
votes
6answers
983 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
votes
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
votes
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
4k 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
votes
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
votes
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 ...
5
votes
2answers
451 views

Is it worth buying cheap lens attachments for my camera?

I'm considering buying a fisheye/wide-angle modifier. The brand-name modifier costs around £150 for a single wide-angle modifier which also requires an adapter ring. I've also seen, on ebay, kits ...
12
votes
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
votes
1answer
373 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
votes
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
241 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
votes
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
votes
4answers
510 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 ...
12
votes
8answers
4k views

Will using a lens at max aperture (“wide open”) result in poor images?

I’m looking to add a second lens to my kit lens I got with my Nikon d7000. I have read several reviews on both the 35 and 50 mm lenses made by Nikon in particular that said using either lens at the ...
11
votes
4answers
2k views

Lens “family” names - what do they mean and should I care?

Some lens manufacturers have special names for their lens designs/families. Just to name a few: Leica - Summar/Summarit/Summilux, Elmar/Elmarit, Noctilux Carl Zeiss - Planar, Tessar, Sonnar, ...
9
votes
4answers
2k views

EF-S 18-55mm kit vs 10-22mm f/3.5-4.5 for nature photography

I moved from a point and shoot to a DSLR last year and I love to photograph nature in general. I have a T2i/550D with the 18-55mm kit lens and was wondering if I would benefit from the EF-S 10-22mm ...
12
votes
4answers
955 views

How close can a lens focus?

From my understanding, if you want to do some macro photography it is better to have a lens that can focus when it is really close to the subject. Sometimes people buy extension tubes to help them ...
-5
votes
1answer
397 views

AF-S NIKKOR 50mm f/1.4G or AF NIKKOR 50mm f/1.4D? [duplicate]

Possible Duplicate: nikon lens- to G or not to G? AF-S NIKKOR 50mm f/1.4G for $484 AF NIKKOR 50mm f/1.4D for $369 is the G worth 100$ more? also, i imagine that the G is somehow better to ...
5
votes
2answers
321 views

Is “slow” focusing/shutter release normal on a “fast” lens?

I just received a 35mm prime lens for Christmas (Nikkor 35mm f/1.8) and it is painfully slow to take pictures at times. Sometimes the shutter release is almost instantaneous, like with my other (kit ...
1
vote
1answer
1k views

whats with the nikor lens naming using the letters D + G? [duplicate]

Possible Duplicate: What do all those cryptic number and letter codes in a lens name mean? Nikon 50mm f/1.8D Nikon 35mm f/1.8G what does the D and G distinction mean on these lenses and ...
9
votes
4answers
2k views

What Nikon lens to buy to make photos of birds?

Currently, the zoomiest lens I have is a Nikon 18-200mm. I want to be able to take photos of wildlife, or in most cases birds, which I can't do at 200mm. For a long time, I wanted to purchase a Nikon ...
9
votes
1answer
204 views

What does “usable number” mean in lens specification?

I just got a new Canon EF50/1.8 II lens. Looking at the specs included with the camera there is a line that says Filter Diameter / Usable Number 52 mm / 1 What does "Usable Number" mean?
17
votes
4answers
2k views

What fixed lens to use on a cropped sensor DSLR for mountain landscape photography?

This spring, I want to do a few trips to mountains to take some shots of mountain landscapes, including in sunrise/sunset environments. I already have a Nikon 18-200mm VR (3.5-5.6). I imagine that it ...
7
votes
2answers
827 views

Pentax to Canon Adapter

My dad has an old Sears KS-2 + 50mm f/1.7, which from a bit of research seems to use a Pentax K-mount. I've looked around a bit and found a Pentax to Canon adapter, which says it supports ...
8
votes
5answers
1k views

long range canon lenses

Currently I have a 7D and 2 lenses: a 18-135mm f/3.5-5.6 IS - which I use as a general purpose / go around lens - and a prime Sigma 30mm f/1.4 - mostly for concerts: indoor, low light scenarios (given ...
15
votes
2answers
389 views

Microfiber Lens Cloths

You can find microfiber lens-cleaning cloths on the web for less than $2, or pay $6 for a "Canon" microfiber cloth (or buy at a retail camera store for $15-20). Are all such cloths pretty much the ...
4
votes
3answers
537 views

Choosing first lens for Nikon D-90 body

I'm looking to get a prime lens to go with the Nikon D-90 body. I'm looking at 50mm or 35mm and f/1.8 or f/1.4 and AF or AF-S. It appears that VR (Vibration Reduction) is not an option for any of ...
3
votes
1answer
640 views

Fisheye Lens for Minolta MD mount

Where can i get a minolta fisheye lens (MD Mount) for around 150 dollars or less. Or can i get a lens that gives some of the distorted perspective of a fisheye lens for around the same price?
8
votes
1answer
326 views

Tips for using the Lensbaby 3G?

I just picked one up as a much less expensive option than a tilt/shift lens for the Pentax mount (they're hard to find and crazy expensive for the K-mount). I have done some experimental shots with ...
3
votes
1answer
160 views

Can a neck strap be attached to Nikon 80-400mm?

I saw somewhere that a large and heavy telephoto lens had an attachment for a neck strap, that replaces the neck strap for the camera body. It was, I think, a Nikon 200-400mm lens. But I'm not sure. ...
3
votes
3answers
1k views

What are the pros/cons of Nikon AF-S 17-35 versus AF-S 16-35?

I have Nikkor 17-35 f/2.8 and I have been using it for years ... it works absolutely well and still performing like champ. Now, looking at the new AF-S 16-35 MTF chart, it kinda makes me wonder, ...
7
votes
4answers
383 views

Would I gain 1 Stop with a L lenses

We usually refer to the F number to compare how fast is a lenses with another one. I understand that the optic quality should help as well. So would a L series in Canon (or whatever is the equivalent ...
6
votes
1answer
182 views

popular fd/canon ae-1 lenses/acessories

I'm giving serious consideration to switching from primarily shooting film with a Pentax K1000 to a Canon AE-1 (and/or AE-1 Program). Is anyone familiar with the model? What are the popular fd ...
6
votes
2answers
237 views

Can a hard impact foul up a lens' focus?

Recently, a camera with lens attached got knocked off a chair and hit the floor (not my gear, fortunately!). Following that, the lens would not focus properly, either with manual focus or auto. The ...
8
votes
4answers
517 views

Fixed HQ lens with image crop or medium quality zoom lens?

Is it better to spend my money on a medium quality say 15-85 zoom lens or a very high quality fixed lens at say 24MM. (e.g 24mm 1.4 L canon) and crop in - not blow up beyond normal resolution). A ...
4
votes
3answers
538 views

The green light is blinking on D5000 when I mount a Sigma 24-70 EX DG Macro

I just got the lens. I know it doesn't autofocus on my camera body because it doesn't have built in motor but at least it should be usable in manual mode right?
12
votes
4answers
3k views

Is there a drawback in buying an imported (gray market) lens?

I am planning to buy a Nikon 55-200mm lens and I was checking prices at B&H and there is a $30 difference (almost 15% of cost) between "Imported" and "USA" lenses. What is the difference between ...
8
votes
3answers
338 views

Which setup should I choose for taking pictures of Trick-or-Treaters tonight?

I've dug up my dad's old Pentax K1000 SE, along with his old lenses, and picked up some 400 film. I'm wondering which of these lenses I should go with to get the best shots tonight (outdoors, no ...
5
votes
4answers
320 views

New zoom lens for semi-old DSLR, or new camera altogether?

After doing some shooting with a friend's camera, equipped with a 18-200mm lens, I find my own 18-70mm lens rather limiting. I mostly do snapshots while traveling and/or with the scouts, and versatile ...
9
votes
4answers
8k views

If a lens supports 18mm focal length, is that a wide angle lens?

If not, what's the difference? A photographic comparison as an example would be great (assuming they are different).
11
votes
4answers
586 views

How compatible are my old Nikon lenses

I'm looking at buying a new SLR body. I have an old film Nikon entry-level SLR (about ten years old) with a kit lens. If I buy a Nikon body, how likely is it that my old lens will work on it? Would I ...
7
votes
2answers
2k views

Canon 5D Mark II vs NIkon D3x for studio/wedding work?

I do mostly portrait work, in a photo studio or for weddings, and need to know which camera will best serve my needs. I'm also interested in learning which lens will best support portrait photography. ...
4
votes
2answers
1k views

What is a “4P” Lens?

I am a noob in photography and don't have any idea of lenses and optics... Recently though I was looking out for some camera modules and couldn't understand some of the specifications mentioned in ...
14
votes
7answers
911 views

Upgrade strategy for Canon EOS DSLRs

In February 2010 I bought my first DSLR: EOS Rebel XSi EF-S 18-55IS Kit I also bought a zoom telephoto lens: Canon EF 70-300mm f/4-5.6 IS USM The XSi is a simple camera which I thought would be good ...
17
votes
7answers
1k views

Tips for shooting in an aquarium?

What would be your advises when taking shoot in an aquarium? What are your preferred lenses? How do you deal with the low light? What about the aquarium glass which bring some deformation? The fact ...
7
votes
1answer
831 views

Cleaning a sticky DSLR lens

I was on vacation recently and some coke accidentally splattered on one of my DSLR lenses. It was dark and I was pushing a stroller, so I didn't see what was going on until it was too late. I ...
22
votes
7answers
2k views

Why do some lenses cost so much?

Something that confuses me is why there is some lenses that cost so much. For example the only difference that I see between the two lenses is the aperture: f/2.8 vs f/4. Canon EF 70-200mm f/2.8L II ...
14
votes
4answers
1k views

Why buy an expensive manual focus lens?

What are the benefits of (expensive brand new) manual focus lenses? Why did you, for example, buy a manual focus Carl Zeiss 85/1.4 rather than an auto-focus Nikon 85/1.4? I'm not concerned with ...