Kaushik Ghose
  • Member for 8 years, 4 months
  • Last seen more than a week ago
What happens if I press the film rewind button early?
Accepted answer
9 votes

I don't know about this particular model, but in all my film cameras advancing the film (by pulling the film advance lever) resets the film release lock. Depress shutter with cap on, then advance ...

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Why are 50mm no longer the default kit lens for prosumer SLRs?
7 votes

User convenience. Zoom lens quality and speed is good enough for everyday use and the convenience of being able to change framing instantly, trumps the gains in quality from primes. The zoom thing ...

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How does a sensor cause vignetting?
4 votes

In all cameras lens design affects lens vignetting. The lens has an 'image circle' which is designed to match the size of the film/sensor (which is why on FX cameras DX lenses vignette a lot). For ...

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For night photography with lots of unexposed areas, should I go with high iso and low exposure, or low iso and high exposure?
4 votes

I would say that if your scenes are stationary and you are shooting from a tripod increasing exposure time is the way to go. Also, many recent cameras do a great job at higher ISOs, even upto 1600 (I'...

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What is the image size of the Sun / Moon in the frame with a given focal length?
4 votes

My answer will be the same as @MattGrum's, but I would like to add a teeny bit of explanation. Say the diameter of the sun/moon is h, the distance is d and your lens' focal length is f. Assume that ...

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How do I calculate what the working distance will be with a macro reversed lens setup?
3 votes

I think, whenever you reverse a lens by itself, your working distance becomes tiny - of the order of the flange to film distance, since that is how the optics work out. Your best bet for getting good ...

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What cameras have aperture controls on the lens?
3 votes

There are a few digital cameras that have this, though "mainstream" cameras don't seem to. For example there is the Panasonic Lumix DMC-LX7 and Leica Digilux 2. A quick search on dpreview with the ...

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How can I achieve extreme macro?
2 votes

In addition to Esa Paulasto's suggestion, you can use a combination of telephoto and reversed wide-angle lens to do macro. I found that a 28mm reversed and added to a 200mm lens gave me 5.2x ...

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Why is focal length measured in millimeters?
2 votes

The point about appropriateness of unit size is well taken, however, just like fonts are measured in points (which are 1/72 of an inch) focal length could well have been measured in some scaling of an ...

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What aperture should I use to photograph people and why?
2 votes

I refer to the depth-of-field calculator, or, if you have a graphing calculator or computer handy, you can plug in the formulae from wikipedia and test out depth of fields yourself. One issue with ...

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How to carry film through airports?
1 votes

I recall that the x-ray machines for carry-ons were marked "Film Safe". This page seems to confirm that, though the person still recommends hand checking.

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How do old lenses get dented just on the filter ring?
1 votes

Ok, I think I figured it out: It's a tripod accident. I just did it to one of my lenses. What happens is that the camera is set with the pitch screw not completely tightened, and the camera pitches ...

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Photo upload problem from my camera (Nikon d3200) to my PC (Windows 8.1)
1 votes

One solution is to remove the SD card and use a separate card reader. Does the NX software from Nikon not recognize that your camera is hooked up? The NX software can transfer photos too.

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Why does oil leak from the aperture ring of old lenses?
Accepted answer
1 votes

The full answer is Patrick's one. I can elaborate a little more, having read some more on photo.stackexchange. The grease used for lubricating the focusing barrel is normally very viscous. However, if ...

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Focusing issues with my Nikon D3100 with some lenses
1 votes

In addition, I had a funny problem like this with my 18-55 and it turns out that it doesn't fit completely snugly on the camera mount and this causes bad contacts. If I twist the lens very lightly and ...

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Can you match a photo to the discrete camera it was taken with, without metadata?
1 votes

I found this question very fascinating and creative!! I would think no, unless that particular sensor had some striking characteristic like a bad pixel or had dust on it that was not cleaned. ...

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Free photo sharing site with excellent security features
0 votes

Why not http://flickr.com/ ? Just set all photos to private.

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How to make blurry background in photos?
0 votes

The keywords you are looking for are 'Depth-of-field' or 'Bokeh'. You will find many answers on the site (As @ajhenderson mentions) and in short: At larger aperture settings (f-number is low) less of ...

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

Probably the best course would be to take it into the dealer. You could try cleaning the lens contacts (the silver buttons on the side of the lens barrel) and the contacts on the camera mount (but be ...

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How do I keep my Nikon D5100 from attempting to autofocus with every shutter press?
0 votes

In addition to all the answers above I find that setting your auto focus method to AF-S (Using the back menu) will allow you to do faster burst shooting. On AF-S with your first half-press the camera ...

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