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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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2
votes
2answers
130 views

Is it bad to use old lenses on a new camera?

Ever since I started out with photography, I've been using an old, used Sony Alpha 200 DSLR. I was mostly okay with its mediocre performance, but lately my demands have increased, and I would like ...
5
votes
3answers
253 views

I accidentally refrigerated my lens for a month. Should I be worried?

When preparing for a hike, I ended up putting my whole backpack in the fridge to cool the water in the Camelbak inside of it. The hike was canceled, and I'm the kind of guy that doesn't really care ...
-2
votes
0answers
42 views

Understanding Focal Length of the lenses [duplicate]

What is the Difference between 10x,20x,30x and so on Zoom calculation ratio in mm? Shall I consider 100mm Focal length as 10x,200mm as 20x and so on. If I am wrong in calculation please correct me.
1
vote
1answer
35 views

Understanding Lenses and the Focal length and Distance of Shooting [duplicate]

Suppose i want to make a Picture of a Tiger,in the National park or in wild life safari,and to fill in the Frame with my Aps-c Eos Camera with Focal Length at 300mm,how close or far i need to ...
0
votes
1answer
62 views

Why does the use of multiple filters create vignetting?

Recently I have had vignetting problem with my Sigma 18-200mm f/3.5-6.3 DC OS HSM (72mm) After checking, it is specified in the manual that one should not use multiple filters or thick filter (as ...
0
votes
0answers
41 views

Missing Grommet on lens that secures lens cover

I have a Canon Power Shot SX500 IS with a Canon Zoom Lens 30 x IS. The grommet located in the inside lip at end of the lens fell out and was lost. It secures the lens cover when in use. Where can I ...
4
votes
2answers
86 views

Understanding Lenses Focal Length with Converters

I read about APS-C sensors EOS DSLRs, that if the focal length is 300mm and as the image ratio is 1.6 then the 300mm x1.6 = 480mm focal length. So if I add a 1.4x teleconverter to 300mm lens so I ...
9
votes
5answers
2k views

is there a real difference between “digital” and “film” lenses?

I'm looking at the Sigma 20mm F1.8 EX DG ASP RF lens right now to use on a 35mm film Camera (Nikon N80). The DG stands for "Digital Full Frame" according to Sigma, but they don't say what the ...
2
votes
4answers
122 views

Should lenses of equal quality for smaller sensors be cheaper?

In theory do we expect lenses of identical specs and quality to be cheaper when designed for smaller sensors? My expectation is that the answer is yes, because all of the things that lenses struggle ...
0
votes
2answers
238 views

Mounting Sigma 70-300mm 1:4-5.6 APO Macro Super on Nikon D3200

I have been given a Sigma 70-300mm 1:4-5.6 APO Macro Super lens and I want to fit it to my D3200. The problem is that the mount on the bottom of the Sigma lens is too big for the D3200 lens mount and ...
0
votes
3answers
91 views

Can I use my Olympus E-10 lenses on my Canon T3i?

I just bought a Canon Rebel T3i but would like to also use my Wide angle, Micro,Macro and telephoto lenses from my Olympus E-10, Is it just a matter of a step ring from 58mm to 62mm?
0
votes
0answers
38 views

What kind of chromatic correction has the Pentax M 50mm f/1.7

http://www.kenrockwell.com/pentax/35mm/lenses/50mm-f17-smc-m.htm After the chromatic aberrations that I observe, it could be an achromat.
0
votes
1answer
75 views

Low light when using Macro Reversing Ring

I just purchased Macro Reversing Ring for my Nikon d5100(18-55lens), but I observed that whenevever I try to use it I am getting very dark images, They are so dark that I cannot capture them without ...
0
votes
1answer
199 views

Which of my lenses to choose for shooting the Milky Way? 17mm 2.8 or 10mm 4.5?

Next week I hope to get a good chance to do my first Milky Way shoot. Last thing I struggle with is which of my lenses to use. I want to avoid startrails. In the final round are: Sigma 17-50 2.8 ...
0
votes
1answer
73 views

Sigma 17-50 f/2.8 or Sigma 17-70 f/2.8-4 (C) for Canon 600D

I know this has been asked alot.. I have Canon 600D with Canon EF-S 18-135mm f/3.5-5.6 and Canon 50mm f/1.8 lenses. I'm looking to upgrade the zoom lens with something with better IQ, sharpness, ...
2
votes
5answers
240 views

High Chromatic Abberation with Pentax f/1.8 50mm lens

I recently bought a Pentax K-50 in a set with two lenses (18-55 & 50-200) as well as a 50mm fixed focal length lens. The camera is great but I am extremly disappointed in the lenses. Two out of ...
4
votes
1answer
125 views

Is the distance scale on a lens linear?

I have Nikon lenses with distance scales on them so I can set the lenses to the hyperfocal distance when I need. Say now the focal length is 28mm and the aperture is f/16. The corresponding ...
1
vote
2answers
135 views

Would I get more benefit from buying a new lens to go with a new camera body?

Our family has had a Nikon D70 for years that has seen many holidays and produced lots of good photos. The camera is getting a bit old and unreliable at times, with occasional card issues, and ...
2
votes
1answer
113 views

What do I need to know to select a Nikon-fit macro lens?

I've recently found a passion for macro photography and have purchased a Nikon D3200 which is a great starter DSLR. I have a macro setting on my DSLR and am currently using a VR lens. Will i ...
2
votes
0answers
75 views

How can I fix a Nikon DX 18-135mm with an aperture stuck open?

I am currently on a trip and I brought an 18-135mm lens and a 35mm prime as my two lenses for the trip. When I took my zoom out of my backpack off the plane and put it on my camera, I immediately ...
0
votes
1answer
77 views

Can a Canon 100-400 EF lens with damaged AF be repaired?

Canon 100-400 EF lens Autofocus is damaged due to shake during travel. I can focus Manually, but Auto Focus makes some noise and doesn't focus. I guess, the motor is not functioning. Can this lens ...
0
votes
1answer
44 views

Sony 3.5-5.6/18-55 SAM (SAL1855) lens broken

I have a Sony 3.5-5.6/18-55 SAM (part no. SAL1855) lens that has taken a knock and the zoom ring is now stuck fast at 55mm and the focus ring doesn't want to pull all the way in. Are there any guides ...
0
votes
1answer
27 views

D70 FEE error with aperture ring set and locked [duplicate]

All my lenses which used to work fine on the D70 now give the fEE error. All are locked at the minimum aperture. I have tried cleaning the camera and lens rings, a hard reset, and pushing the DOF ...
1
vote
1answer
115 views

50mm stuck on the body

I have the Canon 600D and the "nifty fifty" 50mm f/1.8 that cost around 100$. One day when I was trying to switch lenses, I pressed on the lens release button, started twisting the 50mm, and around ...
4
votes
2answers
149 views

Perspective Warp vs. Tilt-Shift

I've been doing some architectural photography and indoors with the Nikon 14-24 f2.8 lens. Most of the time I can get my camera high enough to frame my shot and keep vertical lines vertical. But ...
12
votes
5answers
2k views

Camera lens or megapixel value: which defines the quality and clarity of the picture?

I have a 5MP camera in my phone. The pictures shows good clarity both in the phone screen and my computer screen. But one of my friends has a different camera with the same 5MP in his phone (brand is ...
14
votes
1answer
1k views

Can anyone identify the manufacturer of this golden lens?

On a recent photo tour, a lens another photographer used caught my attention because of its golden color and no manufacturer name I know being visible. Unfortunately, I was busy taking some shots ...
0
votes
0answers
25 views

Sports photography [duplicate]

I own a Nikon D5100. I am 3 steps below a beginner photographer. I bought this camera in hopes of being able to take photos of my family during sporting events; football, wrestling, dance line, ...
0
votes
0answers
53 views

Bayonet mount adapter

I am planning to buy a Vivitar lens with a 58mm bayonet mount. I need to fit it to a 58mm screw fixing. Can I get a adapter to do this? If so, where and what is it called?
5
votes
4answers
1k 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 ...
0
votes
1answer
76 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
2answers
116 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 ...
1
vote
1answer
77 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. ...
4
votes
2answers
133 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 ...
1
vote
1answer
164 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 ...
-1
votes
1answer
58 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!
2
votes
1answer
85 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 ...
0
votes
0answers
55 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 ...
1
vote
2answers
118 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 ...
0
votes
1answer
136 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
117 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
39 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
2answers
136 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?
1
vote
2answers
82 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
190 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
149 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 ...
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 ...
2
votes
4answers
276 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?
1
vote
1answer
110 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
2answers
159 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 ...