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jrista's user avatar
jrista's user avatar
jrista's user avatar
jrista
  • Member for 13 years, 11 months
  • Last seen more than 3 years ago
48 votes
Accepted

What quality to choose when converting to JPG?

5 votes

Why does getting closer or zooming in decrease depth of field?

37 votes

What exactly determines depth of field?

66 votes
Accepted

What is a "diffraction limit"?

39 votes

Is there a general formula for image size vs. print size?

16 votes

How can I get dramatic shallow DOF with a kit lens?

18 votes
Accepted

How can I calculate what the effect of an extension tube will be?

5 votes
Accepted

What is the structure of a photosite?

101 votes
Accepted

How do I set the proper exposure for nighttime moon photos?

8 votes

Why are effective pixels greater than the actual resolution?

29 votes
Accepted

Do professionals all edit their pictures heavily?

2 votes

What do I need to beef up my iPhone for my go-to camera on my travels?

320 votes
Accepted

Good examples of RAW's advantages over JPEG?

2 votes

Which galaxies can we photograph with a DSLR and a telephoto lens?

5 votes

Methods for dithering a DSLR

16 votes
Accepted

Megapixel race unnecessary?

20 votes

How do I remove a signature from a photo?

3 votes

Why exactly do "CMOS astrophotographers" prefer CMOS sensors?

4 votes
Accepted

Night Sky SuperResolution (instead of star trails) - possible?

2 votes
Accepted

How to test what aperture is actually used?

248 votes
Accepted

What do all those cryptic number and letter codes in a lens name mean?

22 votes
Accepted

What does a dynamic range difference of 2.7 EV really represent?

5 votes
Accepted

Doubling ISO vs summing pixel values from 2 shots - different?

6 votes
Accepted

Is there a Canon equivalent for Nikon's AF-ON focus system?

24 votes
Accepted

How can I take advantage of fog in my photographs?

7 votes
Accepted

How can I adjust the colour temperature of an image programmatically?

12 votes
Accepted

Why can't my camera autofocus in low light with a small aperture?

9 votes
Accepted

What techniques can I use to take "macro" photographs with a regular telephoto lens and no adapter?

15 votes

How do I generate high quality prints with an ink jet printer?

8 votes

What's the best technique and kit for taking a picture of the Milky Way in a nearly pitch black landscape?

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