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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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4answers
848 views

Can you remove scratches from a lens with peanut butter?

An article appeared on Apartment Therapy that claimed that a scratched camera lens can be repaired using peanut butter and/or toothpaste. This strikes me as a horrible idea that could make a bad ...
3
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3answers
595 views

Why are Micro Four Thirds lenses so expensive compared to Canon?

I'm looking at picking up a new prime portrait lens to augment the kit lenses that came with my Olympus OM-D M-10. My brother has a Canon with a 50mm f/1.8 lens that takes beautiful photos and costs ...
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votes
2answers
63 views

Can a shutter booster lens speed up the shortest shutter time on my DSLR?

Is there any shutter speed booster lens available for Nikon 5300. Currently Nikon 5300 supports 1/4000. What if I would like to increase the shutter speed to 1/8000 or more.... Is there any ...
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1answer
66 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 ...
3
votes
1answer
72 views

Use of DOF adapters in stills photography

The camcorder guys figured out long ago how you can get the shallow DOF of a larger sensor system (typically full frame) on a camcorder equipped with a much smaller sensor (typically 1/2.8") by doing ...
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1answer
44 views

Nikkor lens for landscape photography day / night [on hold]

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. ...
6
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5answers
1k 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
votes
2answers
509 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 ...
1
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1answer
106 views

How do I take good portraits with a bridge camera and superzoom?

I'm an absolute beginner with regards to photography. I did some research on portrait photography today. From what I learned, a long-telephoto lens (70mm-135mm or more focal length (35mm ...
20
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5answers
4k 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
47 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!
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1answer
96 views

How does Rokinon 24mm f/1.4 image quality compare between f/1.4 and stopped-down to f/4?

I have a Rokinon 14mm f/2.8 lens that I use as my go to for dark sky imaging with my full frame camera and it is amazing. However, I just bought a Rokinon 24mm f/1.4 lens for my crop sensor camera so ...
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0answers
120 views

Where to fix Canon lens, other than Canon

I have a 70-200 2.8L II lens that was broken on a photoshoot (dropped 1 ft). The glass is intact (thank you, UV filter) but there is some issue inside the lens where the images aren't focused and the ...
3
votes
4answers
852 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 ...
45
votes
5answers
9k views

What is “angle of view” in photography?

I read on the Lens Buying Guide @ neocamera: Focal-length determines the angle-of-view seen through a lens for a given sensor-size. With a full-frame sensor a lens gives the same angle-of-view ...
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0answers
45 views

Which filters will fit Voigtlander 15mm?

I recently got myself Voigtlander Super Wide-Heliar 15mm/4.5 lens, which I enjoy shooting a lot. It has built-in lens hood with filter threads and manual says it's fitted with 52mm filter threads. I ...
4
votes
2answers
493 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 ...
3
votes
3answers
82 views

How do I rig up a color filter for my Sigma 8-16mm Ultrawide?

I am a bit confused... I'm not sure if the cokin system will work on my lens, as my lens doesn't have threads for a filter. I've found that placing a Z series cokin filter in front of the lens will ...
0
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1answer
112 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
votes
1answer
109 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
votes
0answers
50 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 ...
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0answers
38 views

How to prevent my waterproof camera from condensation?

I recently bought a HP C-150w for my vacations and the first time I've used it in water it got condensation on the lens as soon as I removed it from water. I've been reading about how to prevent ...
2
votes
1answer
79 views

Nikon 16-85 VR focus noise problem?

My 16-85 VR is doing some weird noise during focus, manual or auto. It's like an hiss. I asked in a local shop and they said it can be some microdust inside the lens. But I'm a little worried it can ...
10
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4answers
15k views

What is USM, and what are its pros and cons?

My Canon lenses have the designation USM on them, which I assume is for the same reason that they say "Ultrasonic". What does this mean, and why or why do I not want it?
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0answers
38 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 ...
0
votes
1answer
168 views

What to do when autofocus on Canon 85mm f/1.8 not working?

My Canon 85mm's AF isn't working. But here's the thing, it recognizes there's a lens mounted, it gives focus confirmation, and I can even set the aperture, but it does NOT recognize that it's an AF ...
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3answers
307 views

Why image at 400mm is LARGER THAN DOUBLE of image at 200mm? (according to lens formula)

Like most of us, I thought it was yes. Until I really look into the Lens Equation: (1/subject distance) + (1/image distance) = (1/focal length) ...
4
votes
3answers
2k views

What does “R” mean in Fujifilm's XF Fujinon lens names?

Fujifilm currently makes three lenses for their new X-Pro1 mirrorless camera system: Fujinon XF18mmF2 R Fujinon XF35mmF1.4 R Fujinon XF60mmF2.4 R Macro "Fujinon" is Fujifilm's lens division. The ...
16
votes
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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1answer
90 views

IS auto-shutdown causes SLR to stop detecting lens - Canon 70-200 2.8L IS MK I

I've tested this on my 6D and my friends' 60D. Use case: [Only occurs in Video mode] 1) Activate the IS function during Video mode. Does not have to be recording (but is reproducible in the same ...
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2answers
128 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?
3
votes
5answers
1k 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
votes
4answers
253 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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5answers
4k views

Weather sealed lens

I'm thinking about buying a Nikon D7000 and I have found out that it's weather sealed (sealed to shoot in rain). So my questions are: Does it really work in heavy rain or is it only for a few water ...
1
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1answer
71 views

What lens should I use to be able to fill the frame with a mounted 35mm slide at 12 inches?

Objective: Digitize thousands (~7500) mounted 35mm slides as quickly as possible (without using a paid service), about 1,000 before Father's Day. Equipment: Kodak Carousel 750H Projector Nikon ...
1
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2answers
79 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 ...
2
votes
1answer
181 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 ...
0
votes
2answers
89 views

Can I connect a new Olympus lens to my Nikon camera?

I have a Nikon D3200 and I want to buy another lens for portrait photography... The lens I want to buy is a Olympus not Nikkor, would it fit my camera or would i need like a lens adapter? And is there ...
2
votes
3answers
297 views

What can I do when autofocus suddenly starts blocking at around 2m on a Nikkor AF-S 28-70mm 1:2.8 D?

I had this lens for quite a few years now, it used to work as expected. I didn't use my stuff for a few months, maybe 6-8 months. I just bought a D600 and tried to use them. The AF does not work as it ...
1
vote
1answer
96 views

Is it possible to add an aperture ring on Nikon G Lenses?

Many of the more affordable Nikon FX Lenses are G Lenses, without the aperture ring. One of my Cameras is a Nikon FG manual 35mm SLR from the 80s, which could only support a G Lens at the lowest ...
0
votes
1answer
254 views

Can you take a picture of a milky way on a canon EOS 300?

I really want to take a picture of the Milky Way using my camera. I'm not sure if it is able to pick it up? The lens I am currently using is a Canon EF 55-200mm. Should I be able to this?
4
votes
4answers
3k views

Missing focus with Canon 50mm 1.8 lens - is it the lens or me?

I purchased a Canon EOS 650D and EF 50mm f/1.8 II lens. Unfortunately, the auto-focus seems to miss focus at f/1.8. I've tried setting it to single-point auto-focus: it is better, but still not good ...
0
votes
1answer
81 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 ...
1
vote
1answer
668 views

Is Canon 16-35/4 IS better than 16-35/2.8 II at f/4?

I have had a 16-35/2.8 II for almost a year, but it broke and I might be in the market to replace it. Last week I saw that Canon had released a new lens in this range, but with f/4 and IS. Is Canon ...
10
votes
4answers
7k views

What is the difference between a telephoto lens and a zoom lens?

Looking at the product page for Nikon lenses, I notice a distinction between telephoto lens and zoom lens. What is the difference between the two? Why would I want one over the other? I wiki'd ...
2
votes
3answers
170 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?
2
votes
4answers
12k 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
votes
2answers
136 views

Is a Canon 50mm 1.4 lens only meant to focus close range?

Ok, so I currently shoot with a canon Rebel which of course has a 1.6x crop factor. My primary lens is Canon's mid-level 50mm f/1.4. I love this lens for close up portraits and can get a very sharp ...
0
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1answer
59 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
votes
1answer
310 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, ...