Sunset in Kruger

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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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58 views

How can I fix my samsung wb 750 that I dropped on the pavement?

I dropped my samsung wb 750 on pavement. When I turn it on now the lens zooms to the farthest length and comes back in. I tried using a hair dryer to blow sand particles out but it doesn't work. I ...
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0answers
15 views

possibility of canon lens fitting into a nikon camera (D5200) [duplicate]

Is there a canon lens adapter availabe for nikon cameras? I have a D5200
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0answers
31 views

Does anyone have any information on Canon's VL mount regardng pinout and protocol?

I currently have a canon cl 8-120mm f/1.4-2.1 lens which uses the VL mount. Canon's goal appeared to have been to make this a standard system similar to the Micro Four Thirds system. See ...
1
vote
1answer
144 views

How do I calculate the maximum aperture at each focal length on a 35-200mm lens

I am looking for the linear maximum aperture of a 35-200mm 3.5/4.5 Nikon manual focus lens. I already know the max & min of the 35 & 200mm it's the 50, 70,105, & 135 that I am interested ...
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0answers
55 views

Nikon AF Nikkor 80-200mm 4.5-5.6 D : says “Lens not attached” on my Nikon D5100!

I have D5100 and borrowed a Nikon AF Nikkor 80-200mm 4.5-5.6 D lens from my friend. But after mounting it on my D5100 it says "lens not attached", even though the aperture is set to smallest ...
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2answers
94 views

What is the importance of the back focal length of a lens?

What is the effect and importance of the back focal length of a lens? For instance, if I look at these two lenses by Ricoh, they have the same focal length and aperture, but their back focal lengths ...
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6answers
876 views

Can I use old filters from SLR film cameras on newer DSLR cameras?

I have access to a vast collection of old filters from 20-30 years ago (for Canon cameras if it makes any difference). Can I use them on new DSLR cameras? I have searched a lot to find an answer for ...
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3answers
72 views

Will I be able to mount hood over my UV filter?

I have recently bought Canon EOS 600D and I want to buy a UV filter to give extra protection to my EF-S 18-55 IS II. And I additionaly want to buy a lens hood as well. Will I be able to use both ...
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2answers
114 views

Can over-turning the focus ring break the lens?

I was trying to get low key shots in pretty dark conditions and had my Nikon D7000's 18-105mm VR kit lens in manual focus, to try to get the subject in focus in very low light. In the process, I kept ...
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1answer
132 views

Pictures start in focus then go out of focus?

I was recently shooting some surf after a session with my 7d and Tamron 18-270MM F/3.5-6.3 Di II VC PZD. I started shooting while he was in focus, then as he got to the main part of the maneuver the ...
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1answer
44 views

Why does Nikon D3100 makes occasionallly noise and viewfinder shifts when pressing shutter button

A Nikon D3100 occasional makes a quiet ka-chunk noise occasionally, when pressing the shutter button. Also, when re-seating the lens or powering the camera up, it will do the same thing 4-5 times in ...
2
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1answer
61 views

5D Autofocus - disable tracking after lock?

I recently got a 5Dmk3 and it's been a really fun toy so far. I'm coming from a Canon 7D, so I'm trying to adjust to the much more complicated autofocus system. I've read the manual and looked around ...
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0answers
37 views

zoom lens for Baseball games [duplicate]

What zoom lens would you recommend for baseball games? I just bought a Canon SL1 and am not sure what lens size would be best. The camera came with the 18-55 zoom lens. I've looked at 55-250 lenses ...
0
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3answers
187 views

85mm fast prime vs 70-200mm 2.8 for indoor fashion studio shoots

Why do people shooting fashion inside a controlled environment (studio, when shooting apertures above f/2.8, like f/8, f/11), seem to prefer a 85mm fast prime versus a 70-200 f/2.8 for half and ...
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1answer
97 views

Nikon 50mm 1.8g vs 1.8d? [duplicate]

What are some pros and cons of each? I use a Nikon D600 and am looking for my 50mm. I shoot a lot of video, so a smooth manual control is important to me. Besides that, I am unsure of what exactly I ...
1
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3answers
145 views

How can I get a 12ft wide field of view at 3ft distance?

Is it possible to get 12ft wide image from a 3ft distance? I am a beginner and have very little knowledge on the field of view of cameras. I calculated that a Go Pro would need a lens with 1.5mm ...
1
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4answers
261 views

What kind of lenses will work with my new Nikon DSLR?

Ok so I just bought Nikon D3200, kinda loving it, kinda not. What kind of lenses do I need for it? What does the lens need to say on it or on the description for it to work properly with this camera?
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2answers
76 views

How does “designed for APS-C” affect focal length? [duplicate]

If a lens is designated by manufacturer as "designed for crop sensor" (i.e. DC in Sigma, DX in Nikon, DT in Sony), how would that affect the calculation of practical focal length (equivalent focal ...
4
votes
1answer
165 views

Why do lens manufacturers produce lenses with few aperture blades?

A lot of lenses have very few aperture blades (especially budget lenses). A large number of aperture blades can make a real difference to the bokeh and seems like it should be a priority for the lens ...
0
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2answers
180 views

Can Tamron 16-300mm Macro Lens fit to Canon EOS 600D?

I use Canon EOS 600D and I want a lens with a larger range. I found out Tamron 16-300 f/3.5-6.3 Di II VC PZD Macro Lens, I added it into my wishlist. I did some research on it and I'm scared that it ...
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1answer
53 views

automatically change my aperture for my lens sigma 24-70 f:2.8 [closed]

I used sigma 24-70mm f:2.8 with Canon 6d I have problem in between clicking of shots. in first shot no problem in second shot picture result is dark as compare with first shot in 3rd 4th pictures ...
1
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1answer
39 views

How can I set the aperture in A mode with a D lens on my Nikon D90?

I use Nikon 35mm f/2d lense on my Nikon D90 but I am unable to change aperture of lens. I have the aperture on the lens set to f22 and locked, I can change aperture with the buttons and the change is ...
1
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2answers
163 views

What does the built-in AE Chip for Nikon do on a Rokinon lens?

I'm looking at 14mm Rokinon f1.8 lenses for astrophotography. I keep seeing the Built-in AE Chip for Nikon. What does the chip do? I realize I have to use manual focus and actually everything manual. ...
0
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1answer
58 views

What order to use range extending tubes in and the effect on aperture

I have a 500mm mirror lens, at f/8. I have 2 hollow tubes (their order wont matter) and 1 tube which is a "Vario converter" and can be rotated from 2x to 3x (this moves a lens about 1cm along) I ...
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1answer
90 views

Will any EF-lens fit on a EOS film camera?

I'm not sure if this already has been asked... Also, it's probably a stupid question. I have a Canon EOS 1000 film camera, which has an EF-mount. I want to use the Canon 50mm f/1.8 II lens, but I'm ...
2
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0answers
78 views

How weatherproof is an average modern lens? [duplicate]

I recently bought the Panasonic GH4, which is weather-sealed. I also got the 14-140mm lens that Panasonic makes for it (I believe it's the first version and they have a new version - mine is this ...
5
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1answer
440 views

What are these blue/purple spots visible underneath the front element of my lens?

I just saw these blue/purple spots underneath my lens (attached here). This is a Nikon D90 which has the Nikkor 18-105 mm lens mounted on it. I haven't used it for maybe 2 months now, and I kept it ...
0
votes
1answer
97 views

Which Low light zoom lens with image stabilization for DSLR [closed]

Recently started doing some DSLR videos for a website. For testing purposes I got a t5i with Sigma 50mm 1.4F lens. Most videos are in low-light settings. I've been using a tripod and it's worked ...
0
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5answers
240 views

Is it worth getting a zoom lens which overlaps with lenses I already have?

I want your experience in choosing a new lens. I already have a couple of lenses with focal lengths as follows: 18-55mm, 70-300mm (MF), and 55-300mm (AF) - regardless the 18-55mm. All my zoom ...
1
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2answers
69 views

What extender can I use with the Canon TS 24mm?

Is there an extender for the Canon TS 24mm? I heard it is possible to make it a 45mm but I can't find much information on the web.
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0answers
22 views

18-200 lens vs. 18-55, 55-250 and 17-300 for sale, what would be the benefits of one of these vs what I have? [duplicate]

I have a Canon 50d with an 18-200 lens, I use it mostly to take photos of my kids, on auto. I have an aquaintance that is selling an 18-55, a 55-250, and a 17-300. Will I be getting far better photos ...
2
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2answers
168 views

What do resolution figures mean in lens specifications?

I'm working in computer vision and choosing the right lens is obviously as critical as having a good sensor if you're going for quality inspection (for example). Sadly I have very little experience ...
2
votes
4answers
352 views

What kind of lens is typically used for these type of night street shots?

I've been trying to duplicate the depth of field like in these photos on snowy nights and I'm not getting comparable results. I'm using a 35mm prime lens at f/1.8 on a D3100. So my question is: Are ...
0
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2answers
189 views

Will a Vivitar lens work with my Nikon camera?

I am new to photography and have a Nikon D3200. A friend has given me a Vivitar lens: 75-205mm macro focusing zoom, NO. 220441876. Can I purchase an adapter to make this work? If so, which one? I ...
6
votes
4answers
728 views

Should my collection of older Pentax lenses be a deciding factor in my first DSLR purchase?

First post on here so I'll try and put a bit of background. I'm brand new to taking "proper" photographs and want to get started in landscape photography as a hobby after seeing some great pictures ...
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0answers
49 views

How to remove oil from aperture blades?

If you go on ebay or other second hand places, you'll see a fair amount of lenses that have oil on the aperture (particularly on older lenses). I've done some reading and it looks like this oil is ...
0
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2answers
74 views

Actual Focal Length on APS-C cameras [duplicate]

I'm aware that actual focal length of a lens on APS-C cameras is longer than what is written on the lens. My question is, for lenses that are specially designed for APS-C cameras (like a Nikkor DX ...
3
votes
2answers
280 views

How to determine if a new lens is a subpar copy?

I have read some posts like the ones below about testing a lens to determine how well it performs optically. What I didn't see was anything on determining whether the lens performs as it should and is ...
0
votes
1answer
138 views

Can I adapt a Minolta AF-mount Tamron zoom lens for use on a Canon or Nikon DSLR?

I have a Tamron Minolta AF 28-300mm f/3.5-6.3 LD aspherical macro lens, which I would like to use on a Canon EOS 600D or Nikon D5200 DSLR. The lens was used on a film SLR Minolta camera. Is there an ...
0
votes
1answer
33 views

E-mount lenses to A-mount bodies?

Is there such a way to adapt E-mount lenses to A-mount bodies? If not is there a reason this can not be done? If there is such an adapter can you recommend an adapter to me?
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0answers
48 views

How do I deal with a lens stuck on a Nikon D90?

My wife has a Nikon D90. She can't seem to switch lenses. When we push the release button the lens barely moves. Does lock back in to place though.
1
vote
2answers
299 views

What should I look for in a wide angle lens? [duplicate]

I'm pretty new to photography .. would appreciate if anyone could advise me a little on comparing wide angle lenses. For example, I'm looking at the Canon EF 24mm f/1.4L II USM and Canon EF 14mm ...
0
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0answers
37 views

Using motorized lense on a motorized Nikon body [duplicate]

Say I'm using a lens with an AF motor on a Nikon body which also have AF motor. Which one will be active? Is there a way to control it? Thanks
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0answers
26 views

Nikkor AF 70-300mm “Lens Not Attached” Error [duplicate]

My AF Nikkor 70-300mm lens stopped working with my D40 for no apparent reason. When I attach the lens, it claims there is no lens attached, even though there clearly is one attached, and the ...
0
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0answers
48 views

Has anyone used Canon EF lenses on Sony mirrorless cameras? [duplicate]

I'm looking to buy a Sony mirrorless camera. The draw back is the expense of extra lenses as Sony really is proud of their products. Has anyone here tried using a Canon EF lens on a Sony mirrorless ...
0
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1answer
65 views

Nikon D3200 - quality loss with stock lens and with old lenses?

I know that you can use an adapter to mount various old lenses on D3200, but would I lose quality by doing so? I even read something that said that the default VR2 lens delivers 3 times as poor ...
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0answers
9 views

Macro/Telescopic converters for Nikon D3200's 18-55mm VR2 lens? [duplicate]

Would I be able to mount the converters to this lens and would they work well and do much good for me? Are they even worth buying assuming I won't be getting any other lens for a while (they're ...
1
vote
1answer
92 views

Which lenses can use with my Sony A-mount body when using mount-adapters and what are the disadvantages of such adapters?

I own a Sony A77 APS-C SLT A-mount camera. For someone who likes to experiment and is on a budget, mount adapters are tempting, since they greatly expand the catalog of available lenses and open up ...
2
votes
1answer
99 views

Nikon 18-55 mm Lens Focus Wheel Jammed

I accidentally dropped my Nikon D3200 with a 18-55 mm lens about a foot onto a hard carpet. It originally looked ok, however I soon realised it wasn't focusing. I saw that the focus wheel was jammed ...
1
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1answer
151 views

How do I know if a tiny lens crack is a manufacturer fault?

1I bought the Canon zoom STM lens recently, and used it a couple of times indoors and just yesterday took it outside. Then I noticed a little dot , or what it seems like dust (the actual size might be ...