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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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82 views

Problems with my lens

Hi i have had a Nikon 200mm lens for about three years now. I did not use it for about six months and when i used it again it was all fuzzy. I have tried everything. Is it because it is so old? I ...
1
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1answer
154 views

Nikkor lens for landscape photography day / night [closed]

I'm currently using a Nikon D5200 with a 18-55mm lens and am wanting to get myself a new lens. I'm looking for a really sharp lens that "was built" to shoot landscapes in both good and bad light. I'...
6
votes
5answers
2k views

What about lens construction influences bokeh?

I can understand how certain elements of a lens can correct an aberrations or make it sharper - but specifically, how do lens manufacturers influence the bokeh - the quality of the blur? There's a ...
4
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2answers
1k views

What tools and spare parts are needed to repair Canon 200mm f/1.8 USM prime lens?

The focus of Canon 200mm f/1.8 L seems to be entirely USM driven. Manually rotating the black ring has no impact at all on mine, as it is broken. What tool set would be the best I could buy (from ...
25
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5answers
9k views

What does a 'nano crystal coat' do on this lens?

The Nikkor 85mm f/1.4G AF-S has a 'Nano Crystal Coat'...what is that and why is it on most of their most expensive lenses? Obviously its a coating and some links seem to indicate it may increase ...
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1answer
867 views

Compatible lens for a Nikon 1 J1 camera [closed]

I am looking for a 70-300mm lens for a Nikon 1 J1 camera. I would appreciate any recommendations!
3
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4answers
2k views

What lens do I need for a group portrait like this?

I am enrolled in community college, majoring in photography. I currently do head shots but I want to do vintage(ish) portraits of families of say 4-5 people. I have a studio set up with a vintage sofa ...
4
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2answers
1k views

Are there reasons beyond weight and price to choose the Olympus 40-150mm over the 14-150mm?

I'm curious whether there is any advantage in buying the 40-150 vs. the 14-150 lens. Both are f/4.0-5.6 and quality seems to be the same. Is there any reason except weight and price for which one ...
0
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1answer
18k views

Are there disadvantages using an FX lens on a DX Camera? [duplicate]

I have a set of FX Lenses for my 35mm SLR, but also a DX Digital SLR. The FX lenses work fine, so I wonder if there is any point buying a DX Lens? The DX camera was body-only, and I'm currently using ...
2
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1answer
207 views

Is 85-135mm really the best for every single kind of face?

They say that focal length around 85-135mm is the best for the head and shoulder kind portraits. I've done some tests myself, I can definitely see the differences. The face is more natural looking ...
0
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0answers
80 views

Does my lens “mm” define the zoom [duplicate]

I have an SMC Pentax-M 80-200mm F4.5 lens which I bought for moon shots so I wanted something with range to it. I have the standard Pentax Prime 8.5mm lens that I got with my camera but I would like ...
0
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0answers
46 views

Should I buy the Nikon 18mm-300mm / 18-200mm or 55mm-200mm / 55-300mm? [duplicate]

This question could be a duplicate but my point is completely different from it. I have just started to use a Nikon D3300 with the 18mm-55mm kit lens. Now, I want to upgrade to the 18mm-300mm but ...
17
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10answers
2k views

Which piece of equipment is holding me back?

I am primarily an amateur photographer but I do take small jobs from time to time. I'm looking to upgrade my equipment but I'm not sure if I should be spending money on my body, glass, or both. I ...
0
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2answers
329 views

Is a 3rd party (Tamron) lens safe to use on a Canon EOS 600D?

Is it safe to use a Tamron lens with my Canon EOS 600D DSLR? Will it affect the sensor in any way?
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5answers
9k views

Should I replace the Canon 18-55mm f/3.5-5.6 kit lens with a 40mm f/2.8 or 50mm f/1.4?

So I'm about to buy my first DSLR (definitely a Canon, probably the 700D) and my original plan was to buy the one with the included 18-55mm f/3.5-5.6 kit lens. At the same time I was thinking about ...
2
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4answers
822 views

What equipment do I need for astrophotography?

Is it possible to create a picture like the following, using a D7100 camera with a standard 55-105mm lens. If not, what is needed for this kind of photography?
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2answers
124 views

How to adjust the lens in dark? [duplicate]

I have CANON EOS-600D DSLR. few days before I was on my terrace to capture some sunset scenes. When I was returning It was almost dark but I saw a bat flown to nearby tree and hung itself there. I ...
1
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1answer
655 views

Shoes photography [duplicate]

I am in need for a technical solution for a shooting of shoes. I have this reference: Could someone please advise on the fallowing: Do I need a light box like this one? What is the correct ...
1
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1answer
87 views

Which of these lenses will work?

Which of the following lenses will work best for macro with ole m0doel Olympus E-1 camera mentioned here www.keh.com - OLYMPUS 28MM F/3.5 {49} OLYMPUS - 28 F3.5 (49) www.keh.com - OLYMPUS 50MM F/3....
4
votes
3answers
490 views

Variable focal length for macro lenses?

True macro lenses come in fixed focal length. Are there any macro lensens which have variable focal lengths? And please explain why yes or why not?
3
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4answers
61k views

What should I do when my Nikon AF-S lens won't auto focus?

I have a Nikon 35mm f/1.8G AF-S DX I bought for my Nikon D5100, it's only a couple months old, never been dropped or anything, and it all of a sudden won't auto focus. Anyone know if this is a simple ...
0
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1answer
79 views

Why does the angle of view narrow as you zoom in? [duplicate]

Why does a 4mm lens have a wider angle of view than an 8mm lens ?
3
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1answer
541 views

Cannot light a fire using a lens? [closed]

A few days ago, on a sunny day, I found myself hiking in the woods and wanting to help fellow picknickers to light a fire with no matches or lighter. However, I had my 17-55 f2.8 Nikon on my camera, ...
4
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2answers
2k views

What causes longitudinal chromatic aberration on Nikon 50mm f/1.4D?

I have looked on my new 50mm lens photo (I have Nikon D90) and I see "purple fringing" around the unfocused objects (longitudinal chromatic aberration). What's is going on? Is it common for this lens (...
4
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2answers
325 views

Fixing chromatic aberration automatically with software

I am trying to fix chromatic aberration in images taken with wide lens industrial cameras. Searching the internet I didn't find a good software to do so. I tried Hugin and a few others, but without ...
11
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3answers
24k views

Why prefer the 18-55mm and 55-250mm lenses vs 18-200mm?

There seems to be a preference for to have the 18 mm - 55 mm 55 mm - 250 mm lenses, but no mention of why they're better than a single 18-200mm. Could someone please explain why the two separate ...
30
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6answers
2k views

What is the definition of a “prime lens”?

There are many discussions of differences between prime, zoom and macro lenses. I have not heard about prime lenses until recently. Could someone explain what exactly a prime lens is? Is it ...
4
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2answers
494 views

Should I leave the lens switched to AF or MF for storage?

When I'm not using the camera, or when the lenses are packed at home, should the lens switch be at AF or MF? Or does it make no difference? And by the way, is it better to leave the lens on the ...
2
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2answers
471 views

How to focus manually with a Nikkor AF-S DX VR 50-200mm f/4-5.6G zoom lens?

I have a Nikon D3100, for which I just bought a Nikkor AF-S DX VR 50-200mm f/4-5.6G zoom lens. This is a CPU lens and works very nicely in auto-mode, i.e. when you let the camera set the focus. ...
4
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2answers
804 views

Will the Rokinon 8mm f3.5 Fisheye work with a Canon camera?

I want to buy the Rokinon 8mm f3.5 Fisheye lens, but I saw in one review that is not recognisable for Canon because there is no a chip which is necessary. What is that exactly? Will I have problems ...
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3answers
2k views

Why is the view darker through the viewfinder than Live View on a Canon EOS 600D/Rebel T3i with 75-300mm lens?

I have two lenses, the regular one and the 300mm lens. When I put the 300mm lens and try to take a picture through the viewfinder, the view is darker than usual and it won't take the picture. When I ...
1
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2answers
3k views

Can I put different lenses with a lens adapter on a point and shoot?

I have the Nikon L830 advanced point and shoot camera. It's not a DSLR. Can I put a different lens with a lens adapter on my camera? I want to do that to have more control on the focus and the depth ...
2
votes
1answer
150 views

Moon photography [duplicate]

Hi I am a photography hoobyist. At the moment I am using a Nikon D3100 with the standard kit lens (18-55mm). I am interested in taking photos of the moon. I am debating whether to buy a 55-200mm lens ...
1
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3answers
353 views

Which Nikon lens do I have?

Trying to sell a lens, and a dealer that buys used photo items and used KEH to give quotes is unable to decide what lens I have. Here's a link to a lens that as far as I'm able to tell looks exactly ...
0
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1answer
215 views

Why is the external lens for my smartphone blurry when not at full zoom?

I've just bought an optical zoom lens for my Samsung S4 (I'm a web developer and blogger so I thought that it would be a handy tool for taking photo's when out and about without my main camera). The ...
0
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2answers
559 views

Are there disadvantages to an adapted Canon EF-S zoom vs Sony SEL 18-200 lens for my Sony Nex?

I want to buy a universal zoom lens 18-200 (maybe 18-135) for my Sony Nex. At Sony I found only Sony SEL 18200 lens that is expensive. There are adapters Canon EF-S to Sony E-mount (with providing ...
1
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0answers
52 views

How to take pictures of plankton? [duplicate]

I've been wondering how people take pictures of plankton. I have no idea what kind of lens, setup and adaptors are needed to take shots of plankton? I guess you need a microscope of sorts but after ...
3
votes
1answer
260 views

Do lenses have focal planes or focal spheres/ellipsoids?

The title says it pretty much all. I'm asking this because I find myself always using the focus point in the center, and after I focused, I rotate my camera to make the framing right. However, if ...
0
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3answers
306 views

Should I upgrade my Canon body or lens for upcoming travel?

Having trouble deciding what to do. I am about to go on my honeymoon to Borneo, with lots of jungle tours, and wildlife spotting. I have a Canon XS with a kit 18-55 and a 75-300 non IS. I don't use ...
0
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1answer
403 views

Purchasing a6000: but what lens to buy? [closed]

I'm not a professional by any means but I currently own a Rebel t3 but looking to get a good camera that's much smaller as we often times leave the Rebel behind since it is so large. I think I've ...
11
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2answers
6k views

How can a Frazier lens achieve that massive DOF?

I've read in PetaPixel about this "Frazier lens" that can achieve a massive DOF. In this video is shown the capabilities of this lens and I must say I'm very impressed. How can this lens achieve such ...
2
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1answer
409 views

Tamron 90mm SP Macro manual focus locks

I've been shooting film on a Canon AE-1 Program with a Tamron 90mm Macro SP lens. Until recently, the lens worked perfectly, but all of a sudden it won't focus farther than 10ft. To my knowledge it ...
14
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3answers
4k views

Why is 1:1 desirable for a macro lens?

Why is 1:1 desirable for a macro lens? I know it means that you can print a picture of something and it will be the same size on paper as it is in real life, but why is this such a desirable feature ...
15
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4answers
19k views

What is a 200mm lens good for?

I just found that there is a 200mm lens at my school. It is a Canon with Image Stabiliser (with red detail). It is old, at least 10 years. It has been great playing around with it, but I really don't ...
11
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4answers
2k views

Is it better to upgrade Canon 18-55mm IS kit lens to the 18-200mm, or complement with 55-250mm? [duplicate]

I currently have the Canon EOS 550D with the 18-55mm IS kit lens. I am primarily looking for greater telephoto reach, as I have found the 55mm length to be quite limiting at times. So, I was ...
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2answers
61 views

How to use TC's with Canon lenses [closed]

If I shoot a Canon 70-200 f/2.8 which extender should I use to double my focal length?
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0answers
55 views

Lenses for India trip on a Canon 7D [duplicate]

I plan to take my Canon 7D to India and I currently have a 12-24 Tokina and the Canon 50 1.4. Is this a good kit for India? I will be photographing anything I can really - I do not mind taking ...
7
votes
8answers
5k views

Software to auto correct lens distortion based on photo

A photo contains digital information about the make of the camera the focal length,etc. Does any software use this information and auto correct the lens distortion in the photo. I know that Photoshop ...
1
vote
2answers
372 views

How can I increase the amount of 'keepers' from my Nikkor 50mm 1.8D

I have been using this lens for a while, mostly for portraits and have noticed that for some reason the outdoor pictures where I most likely had to quickly compose and take the shot have had something ...
0
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2answers
4k views

Will dust inside a lens affect the image in any way?

I have been looking at purchasing a used lens and in the listed it says something along the lines of "There is dust visible throughout the lens, but this will not affect the images in any way" Is ...