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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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3answers
557 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 ...
0
votes
3answers
149 views

What lens is best for 'the hobbit' look

In the lord of the rings trilogy all the basic simple shots of hobbits were taken with them in the background so they would look smaller than real people. I want to do this in reverse. I have a lion ...
2
votes
1answer
336 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 ...
1
vote
1answer
67 views

How to replace the zoom ring on a Nikon 18-200 lens?

The zoom ring (the rubber-band part) on my Nikon 18-200 is a little stretched out. What is the best way to replace this? I already had to remove the black sticker on the front of the lens when the ...
1
vote
1answer
85 views

What can you do when your lens' focus ring becomes too loose?

One of my lenses I always carry (Olympus Pen lens, I fit it on a Sony NEX), has a focus ring that is becoming a bit too loose. Probably due to carrying it in a bag very often and taking a lot of ...
1
vote
1answer
78 views

Zoom lens “pops” around a certain focal length. What failure is my lens showing?

For a while my Sigma 18-50 f/2.8-4.5 lens has been shaking the viewfinder image once in a while. After asking a related question I settled for the explanation that it was the image stabilisation ...
0
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1answer
84 views

Where to get replacement black sticker for the front of a lens?

On a recent trip the filter threads came loose on my Nikon 18-200, and some of the screws that held it in place where caught in the black sticker that covers them. I peeled off the sticker, and ...
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1answer
135 views

My NIKKOR 55-200mm lens behaves like it is not attached to the camera, even though it is attached

I just purchased a Nikon D5500 with the 18-55mm and 55-200mm lenses, along with one digital high-def 2.2x teleconverter and a digital high-def .43x super wide angle lens with macro filter. The ...
0
votes
1answer
145 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 ...
4
votes
0answers
46 views

Where can I find information on the Pentax Q lenses serial protocol?

I'm searching for detailed information on the Pentax Q lenses (any, but I'm especially interested in the 5-15mm-lens) serial protocol, which controls focus/zoom/aperture. So far I have found nothing ...
3
votes
0answers
54 views

Lens adaptors for a 30mm ring size wearable camera. with either 4x 8x or 12x fixed power

I have what is called a wearable camera. I am looking to improve and enhance my view as a better live eye look, rather than the distant view all wearable's have in today's market. The camera has a ...
2
votes
0answers
35 views

How to prevent water droplet formation on waterproof camera lens?

Waterproof camera (Canon D10 in my case) is great for shooting in or near water during sports. Unfortunaly, water sprays onto the lens and water droplets form, which disturb or totally destroy the ...
2
votes
0answers
94 views

Can you use a Krasnogorsk lens (from the 16mm movie camera) on a Sony NEX camera?

I found links to adapters on eBay, but you can never really tell if they're legit... I'd love to know if someone has tried to pair these two together, either a Sony VG-30 type camera which has E-Mount ...
1
vote
0answers
54 views

What (if any) are the differences between Minolta's SAL500F8 and Sony's SAL500F80?

I would love to buy one of these autofocus 500mm f8 lenses, but information about these lenses is sparse, and I haven't been able to find anything at all about if Sony made any changes to the lens ...
0
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0answers
30 views

How can I use sigma zoom 100-300mm 1:4.5-6.7 dl on my new Nikon D5100 dslr

I have this lense from my old camera. How can i use it in my new nikon d5100 dslr. As it doesnt fit in. Do i have to buy any specific adaptor to fit it in. Can u name any of it. Can smone pelase help ...
0
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0answers
71 views

600D Lens Don't Move back and front

My camera lens recently started losing focus. When I press the shutter halfway, the lens just doesn't respond and adjust focus. The flash flickers an electric sound and light but then the camera ...
0
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0answers
73 views

How do I clean Micromax Canvas Gold phone camera lens?

I have a Micromax Canvas Gold and the front camera contains some dust particle inside the lens. Is there a way to clean this without opening the phone, or an easy way to do this?
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0answers
31 views

Searching for autofocus lenses for 2/3" sensors

Can someone name me manufacturers of exchangeable (preferably autofocus-)lenses for 2/3" image sensors, apart from industrial lenses (because they generally dont have autofocus)? Because i want to use ...
0
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0answers
17 views

Are there any good resources that provides information about the focus breathing of various lenses?

Sites like DxOMark provides a lot of information about lenses but they generally don't provide any really usable information about the focus breathing protperties of the lenses. In fact I don't know a ...
0
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0answers
22 views

Is there any risk in removing shims from my Nikon macro lens to make the focus ring easier to turn?

The focus ring/barrel on my Nikon 105mm f2.8 micro lens is extremely tight and difficult to turn. There appear to be several shims between the lens barrel and the focus ring. Is this normal? Any ...
0
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0answers
65 views

Nikkor AF-S DX VR 18-200mm focus stops at 0.9m, can't set it to 0.5m

I have a Nikkor AF-S DX VR 18-200mm and I have a problem with the focus ring. It goes fine from infinity to about 0.9m,then it just stops there and I can't go down to 0.5m no matter how much I turn ...
0
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0answers
41 views

Can I use a Samyang 75-300mm or a Soligor 90 - 230mm lens on a Pentax Film Camera?

I have two Pentax cameras (ME Super and a K1000). Which of these lenses will work with either or both of the cameras? Soligor 90-230mm Phoenix/Samyang 75-300mm They both fit on each of the ...
0
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0answers
85 views

Projector Design and lenses

I am working on a project where I need to project a single image onto an object, Originally I was looking at the digital projector route but due to cost and complexity this has been ruled out. I found ...
0
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0answers
119 views

Canon L Lens producing higher noise/grain? (24-70mm f2.8 II)

I just purchased a brand new 24-70mm f2.8 II for my upcoming trip. I've been testing out this lens for the past few days, and have noticed something that I'm a bit confused by. It seems by my tests, ...
0
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0answers
100 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 ...
0
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0answers
75 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.
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0answers
200 views

Are mobile phone camera lenses good enough to support 20MP sensors?

With mobile phone cameras approaching 20 MP while maintaining small sensor sizes, pixels dimensions are typically around 1 μm or lower. What about the lenses? Are they good enough to produce an Airy ...
0
votes
0answers
138 views

How does the Tamron 70-200mm F/2.8 without VR/IS compare to the Nikon 70-300mm F/4.5-5.6 VR?

I'm looking at two different lenses. The Tamron AF 70-200mm f/2.8 Di LD IF Macro Lens. ...
0
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0answers
63 views

Albinar's compatibility with Canon t5

So I have an Albinar ADG 28-80mm lens, that I have acquired, and I was wondering what mount adapter would be required for it to work on either the Canon EOS Rebel T1i or T5, I have both. Thanks!
0
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0answers
39 views

Canon PowerShot SX160 prevent lens opening due to accidental power on?

Just bought my daughter a SX160 as her first real camera and I neglected to check if there was a way to prevent the lens from opening on an accidental power on. My old PS A710 had a slide button for ...
0
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0answers
45 views

Are there any hardshell covers / protectors for lenses?

I'm a concert photographer, and I tend to end up in mosh pits quite a bit. I've mastered the art of shielding my camera from fists and beers, but I have been starting to see some wear and tear. Are ...
0
votes
0answers
165 views

Samsung NX1000 focus ring does not work, can't get off manual focus mode either

I bought a used Samsung NX1000 last night, everything is great but it's stuck on Manual Focus mode. The Single Auto-Focus [SAF] and Continuous Auto-Focus [CAF] are greyed out no matter what I try. ...
0
votes
0answers
580 views

What is the impact of changes between the old and new Nikon 18-300mm lens?

They are: Nikon AF-S DX NIKKOR 18-300mm f/3.5-6.3G ED VR Lens (new) Nikon AF-S DX NIKKOR 18-300mm f/3.5-5.6G ED VR Lens (old) As far as I can tell the only differences are: The old one has an ...
0
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0answers
69 views

Nikon zoom lens troubleshooting

My Nikon D5100 squeals and won't photogragh on its 55-300mm lens beyond 80mm. I've tried turning autofocus on, taken out & reinserted battery, and changed memory cards.
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0answers
48 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 ...
0
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0answers
78 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?
0
votes
0answers
266 views

Will an adapter tube for a Fujifilm Finepix S4500 fit a Finepix S4830?

I have the s4830 camera and was looking into getting a lens adapter tube, but I can only find one for certain models, including the s4500. Would an adapter tube meant for the s4500 fit my camera as ...