Photography Weekly Newsletter
Photography Weekly Newsletter

Top new questions this week:

Why do photos of digital screens turn out the way they do?

When I take pictures of a screen at school or at my house, they turn out really weirdly. When blown up to 100%, they look fine, but when they get sized down, they look really weird, here is a …

[digital-photography] [artifacts] [monitors]  
asked by Milo 7 votes
answered by AJ Henderson 12 votes

What limits the size of digital imaging sensors?

I've read some information about sensor sizes here http://en.wikipedia.org/wiki/Image_sensor_format according to this, the 35mm ff-CMOS is the sensor with the largest dimensions used in digital …

[full-frame] [cmos-image-sensor]  
asked by fubo 6 votes
answered by MichaelT 17 votes

is there a real difference between "digital" and "film" lenses?

I'm looking at the Sigma 20mm F1.8 EX DG ASP RF lens right now to use on a 35mm film Camera (Nikon N80). The DG stands for "Digital Full Frame" according to Sigma, but they don't say what the …

[lens] [nikon] [sigma] [35mm]  
asked by Michael Stum 6 votes
answered by AJ Henderson 10 votes

Understanding Lenses Focal Length with Converters

I read about APS-C sensors EOS DSLRs, that if the focal length is 300mm and as the image ratio is 1.6 then the 300mm x1.6 = 480mm focal length. So if I add a 1.4x teleconverter to 300mm lens so I …

[lens] [focal-length] [crop-factor]  
asked by Robin Christi 3 votes
answered by MichaelT 5 votes

How do I handle international copyright violations?

After the disappointing news regarding copyright rules recently, I thought I'd check to see if any of my images were being misused, too. I found one of my images apparently growing legs and wondering …

[legal] [copyright] [international]  
asked by B Shaw 3 votes

How can I make sun beams more visible in post-processing?

First of all, I would like to apologize for anything stupid or naive I would write because I am new to RAW post-processing and photography. During my vacations, I took the following picture (in RAW) …

[post-processing] [landscape] [sunlight]  
asked by jibounet 3 votes
answered by B Shaw 6 votes

Night Auto Race photography

I will be going to Road Atlanta in late Sept. early Oct for the 10 Hour Petit Le Mans. The race will begin during daylight hours and run into the night. I have never shot at night, or minimal …

[low-light] [sports] [night]  
asked by George Payne 2 votes
answered by inkista 0 votes

Greatest hits from previous weeks:

Does Expeed 3 make D3200 better than D5100?

I am thinking of my buying my first DSLR and have narrowed down to D3200 and D5100. Given that their price is the same, I am having a tough time figuring out which one to buy: D5100 is the more …

[nikon] [dslr] [technology-generations]  
asked by coderSam 2 votes
answered by Unapiedra 2 votes

What are the .LRV files on the gopro sdcard?

I delete the .THM and .LRV files along with the MISC folder but what are they actually good for? THM is for thumbnails on the LCD so that is clear, and the rest?

[sdcard] [gopro]  
asked by panny 5 votes
answered by SinisterMJ 11 votes

Can you answer these?

What is the purpose of gamma correction in today's screens and how does it relate to graphics and photography?

I am getting quite confused with the purpose of gamma correction and the relationship between gamma corrected and uncorrected images in terms of graphics and photography as well as color management in …

[raw] [color-management] [srgb] [gamma]  
asked by Kyselejsyre─Źek 1 vote

Canon 6d color noise (and compared to 50d)

my first day with 6D, upgraded form 50D. Wouldn't be pixel peeping but something unusual caught my eye when I opened photos in Lightroom this morning. The color noise pattern is completely different …

[canon] [sensor] [color] [noise] [canon-6d]  
asked by Levi 1 vote
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