Tips & Techniques

 

How do GPS devices for digital cameras work?

 •  October 1

I noticed that an increasing number of cameras include a built-in GPS device. How do these work and how effective and how complicated are they? Also,...

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Why did Sony eliminate the traditional reflex mirror?

 •  October 1

I read an article about the new Sony a55 and a33 D SLRs indicating that the reflex mirror in these camera does not move at all. How is that possible?...

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What is the best noise-reduction software?

 •  September 1

When I use ISO 1600 with my four-year-old digicam the photos are extremely grainy, useless for a print larger than 4 x 6 inches. Should I buy a...

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What is the best method for upsizing an image?

 •  September 1

My D-SLR camera only provides 10-megapixel resolution and sometimes I want to make 13 x 19" prints with my Epson Stylus R1900. That requires upsizing...

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What dpi is necessary for ink-jet printing?

 •  July 27

I’m starting to make prints with an Epson 1400 ink-jet printer using images from my Nikon D5000. When sizing the image in Adobe Photoshop Elements...

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Why does my camera sometimes refuse to fire?

 •  July 27

I just upgraded from a point-and-shoot camera to my very first D SLR and I need help. Sometimes, I get a blinking green circle in the viewfinder and...

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