Road Train !!!!!!!!!!

by Russell McMahon

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bio website michael.kjorling.se
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visits member for 3 years, 10 months
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comment Why does increasing sensor size necessarily lead to lower silicon wafer utilization?
It wasn't entirely easy picking the answer to this question to accept. I liked both yours and TFuto's, but ended up accepting TFuto's because it gave a handful of concrete reasons, and upvoted this one. This answer would be even better if you incorporated that last comment into the answer itself, IMO.
Aug
29
accepted Why does increasing sensor size necessarily lead to lower silicon wafer utilization?
Aug
29
comment Why does increasing sensor size necessarily lead to lower silicon wafer utilization?
Out of curiosity, who are the "we" in the last paragraph?
Aug
29
awarded  Curious
Aug
28
comment Why does increasing sensor size necessarily lead to lower silicon wafer utilization?
I don't really get it. I can understand why it'd make a difference making a completely different device, but are smaller sensors really that different from larger ones?
Aug
28
comment Why does increasing sensor size necessarily lead to lower silicon wafer utilization?
"There's not another 24mm x 36mm spot anywhere on that wafer to make an additional sensor," Well, that's where the "smaller ones" part of my question comes from.
Aug
28
asked Why does increasing sensor size necessarily lead to lower silicon wafer utilization?
Aug
27
comment is there a real difference between “digital” and “film” lenses?
This is an interesting tidbit, but I fail to see how it answers the OP's question. Can you perhaps elaborate?
Aug
12
comment DSLRs with separate controls for aperture and shutter?
I tried to use a camera model a few weeks ago (a friend's camera) that had only one wheel for setting both aperture and shutter speed. I pretty quickly went back to my own EOS 50D, which has separate wheels for the two (as well as much better ergonomics for me, but that's more personal).
Aug
2
comment 2 Versions of a Photo: Same resolution, image diff shows no difference, but different filesize
"4 (bytes per UTF-8 char)" UTF-8 is a variable-width encoding that requires between 1 and 4 bytes (strictly speaking, 8-bit sequences) to correctly encode a given Unicode code point. It can be generalized to encode any 31-bit sequence into up to 6 bytes. en.wikipedia.org/wiki/UTF-8#Description
Aug
2
comment Why won't GIMP 2.8 open my long exposure shots?
Try launching gimp from the command line and opening the file. See if there's any output on the console that might provide a clue as to what's happening.
Aug
1
comment Camera lens or megapixel value: which defines the quality and clarity of the picture?
Also worth considering, are you viewing the photos zoomed out to for example fill the screen, or are you viewing them at 100% crop? Hardly anybody views photos at 100% on a computer screen, unless perhaps they are into truly detailed digital retouching work.
May
29
comment What should be the aperture and ISO while doing wildlife photography in sunlight?
@HimanshuWalia The problem with this question (and almost certainly why it was put on hold) is that it doesn't really focus on some specific issue that we can explain and answer objectively. If your problem is that your photos are often noisy, then I suggest that you show us one or two examples of such images (make sure full resolution versions are available) and ask for example "why are these photos noisy?". Include exposure settings and ambient (lighting) conditions if you can. If you can't include images in your posts, post them anywhere and include a link; someone will edit them in.
May
29
comment What should be the aperture and ISO while doing wildlife photography in sunlight?
@MichaelClark While it is certainly true that RAW has a large degree of exposure latitude (I shoot exclusively RAW myself, and exactly that has saved me several times), (a) I see nothing in the question indicating that the OP is shooting or intends to shoot RAW; and (b) someone who is familiar with the RAW workflow probably wouldn't need to ask a question like this. Hence I made the (possibly unfounded) assumption that the OP was focusing on and quite possibly using a non-RAW (in effect, camera-JPEG) workflow. With such a workflow, proper in-camera exposure becomes much more important.
May
28
comment What should be the aperture and ISO while doing wildlife photography in sunlight?
There's really not much in particular about wildlife photography that isn't covered by more general (but focused) questions. ("Any tips and suggestions are appreciated" is not really answerable.) If for some reason you don't want to use the auto-exposure programs but instead want to go with manual exposure and need a rule of thumb, look up "sunny f/16", but be aware that digital cameras tend to have less tolerance for inexact exposure compared to film cameras because of negative film's greater exposure latitude.
May
23
comment Do RAW files really allow more RAW dynamic range than shooting in JPG?
@AJHenderson Right, I didn't mean to imply that going 16-bit TIFF somehow added information. Thanks for the clarification about that being TN panels.
May
23
comment Do RAW files really allow more RAW dynamic range than shooting in JPG?
@Revious Consider that a raw file can be processed into not just a 3×8-bit JPEG, but equally well into a 3×16-bit TIFF. I don't have a citation at hand, but I recall reading not too long ago that many consumer TFT monitors don't really do more than about 6 bits per channel per pixel of actual color fidelity.
May
14
comment Why don't camera flashes use proprietary batteries?
"Personally, I'd love it if my flashes took the same lithium batteries as my camera body. That'd be quite convenient." Problem is, it'd probably mean it took some battery other than that which my camera body uses.
May
14
comment Why don't camera flashes use proprietary batteries?
@mattdm My EOS 50D is still showing a full charge using the battery grip with two batteries some 2500 shots after the most recent trip to the battery charger. So "several thousand" might be optimistic, but not that extremely overly optimistic.
May
13
comment What personal safety precautions do I need to take while traveling with a camera in Scandinavia?
This. I live in Sweden, and while I don't usually frequent "bad" neighborhoods showing off the DSLR and professional-looking lenses, I've never felt worried about having the camera with me either.