Photography Weekly Newsletter - Wednesday, April 29, 2015

Top new questions this week: Why are some big telephoto lenses so expensive compared to telescopes? I'm looking at an ad for a used Canon 1200mm f/5.6L EF USM Autofocus Lens where they are asking $180,000. Yes, that's not a typo. I don't get it. I'm an amateur astronomer and I know I can buy a ... [telephoto] [refractor]   asked by Paul Cezanne 27 votes answered by Michael Clark 41 votes When does "Fill the frame" become "Too tightly framed"? Many times I have noticed people saying on the other's pictures, either - "It is too tightly framed" or "you haven't filled the frame". Below are two photographs taken by me. I don't know whether ... [composition]   asked by TheIndependentAquarius 10 votes answered by mattdm 10 votes What does it mean when something is "distracting"? I asked for opinions on a photograph I took, and someone told me that an object in the background is "distracting". I wasn't sure exactly what this means, so I did some searching. I found many ... [composition]   asked by mattdm 9 votes answered by mattdm 13 votes Can deconvolution reverse softness caused by diffraction? I'm aware that diffraction limits the maximum optical resolution of any lens, especially when stopped down to very small apertures. Some camera manufacturers, such as Pentax and Olympus, have ... [sharpening] [diffraction] [deconvolution]   asked by DragonLord 6 votes answered by Count Iblis 2 votes When can cropping off a part or including the whole subject's body be considered a distraction? Basically the question is that when am I free to chop off the subject's body part and when I am not? These photos are taken by me. Can you see the chopped body parts here? I wish to understand the ... [composition]   asked by TheIndependentAquarius 4 votes answered by null 5 votes How can I view vintage medium-format negatives (from about 1950)? I have been given a box of vintage negatives from my late Fathers estate. I believe they were taken in the '50s and the size is about 6 x 9.5 cm. Is there a piece of kit I could view these old ... [film] [negative-film] [vintage]   asked by Terry Alger 4 votes answered by godfatherofpolka 4 votes How do I speed up button-to-picture for Canon XTi (400D)? I'm trying to set up a fast image capture without using a strobe. The camera is connected to a shutter release device (pinewood derby timer) which triggers the camera when the first car passes the ... [canon] [shutter-release] [canon-400d] [mirror-lockup]   asked by Adam Davis 4 votes answered by Adam Davis 3 votes Greatest hits from previous weeks: Which Nikon DSLRs have an autofocus motor in camera body? I have a Nikon D3000 and a lens which has no autofocus motor. But under the lens, I have found a screw which rotates with the focusing control. My D3000 does not have any autofocus motor inside the ... [nikon] [dslr] [autofocus] [focus-motor]   asked by Razib Ali 4 votes answered by obelia 6 votes How can I transfer pictures from my Canon Digital Rebel XTI (400D) to my Mac? I recently bought a used Cannon EOS Digital Rebel XTI 400D. I went on a trip and took some photos that I would like to get onto my mac (A mac mini running 10.6.8). When I plugged the camera into my ... [canon-400d] [os-x]   asked by user21806 4 votes answered by Michael Clark 8 votes Can you answer these? Why do I have to set my flash to -3ev flash exposure compensation? I have a Canon 70d and I use the 622c wireless trigger/remote with the YN 565 EX flashes. When setting them on E-TTL, all my shots are overexposed. I've checked the camera and the flashes and all the ... [canon] [flash] [ttl] [yongnuo]   asked by David 1 vote What is this plastic ring called on a tripod and can I get a replacement? I have a Hama Compact Traveller Tripod in which the plastic ring that inserts where the tripod head and metal tube goes is broken. Is it possible to get a replacement for this as I do not wish to ... [terminology] [tripod] [repair-parts]   asked by Msa 2 votes Is there a way to publish a lightroom web gallery via ssh/scp? I see there is a way to publish via FTP but I can't find any plugins that allow to scp. I did a plugin for publishing collections via ssh/scp on github written by knutsiem but it doesn't work with ... [lightroom]   asked by sal 1 vote

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