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Focus is the mechanism of converging light from a point light source onto an imaging plane by a lens.

learn more… | top users | synonyms

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2answers
111 views

Nikon focus and recompose: identifying behaviour on different models

My Nikon D3000 refuses to take a picture if I focus and recompose with the AE-L/AF-L button set to "AF ON". (The focus point is on an out-of-focus part of the image after I recompose, so the shutter ...
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1answer
443 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 ...
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1answer
70 views

Is recomposing necessary for trap focus to work?

Trap focusing guide says: Set custom setting #A5 to AF-ON ONLY Set the focus mode to SINGLE SERVO Set Auto focus area mode to SINGLE POINT (9 point, 21 point, 51 point or 51 point 3-D will ...
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0answers
148 views

What can I do if everything with my 55-200mm macro lens is suddenly entirely blurry and the camera won't take pictures?

I have a brand new Nikon D5500. The 55-200mm macro lens is not working properly as far as I can tell. It was acting funny the other day when I was trying to take pictures. The pictures were coming ...
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0answers
90 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 ...
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0answers
35 views

Does the Sony wireless remote commander (hardware, not the app) focus before firing a shot in Manual?

I have a Sony NEX-6 and the wireless remote commander (Please note: it is the hardware not the app). Last night, I was taking some night shots in Manual with the camera on a tripod. I set the camera ...
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0answers
277 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. ...