Incense

by Bart Arondson

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visits member for 2 years, 1 month
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Feb
18
awarded  Revival
Feb
17
comment How to batch process dust and scratch removal in pictures with the use of filters?
be aware that Digital ICE will not work with silver based transparencies such as Kodachrome, or most B&W negatives.
Feb
16
comment What is the useful range of apertures for lenses?
I asked a large format photographer why he used his smaller apertures if diffraction was an issue. He said "It's easier to sharpen the whole image and have adequate depth of field than it is to try to correct inadequate depth of field'. To restate- you can easily sharpen away some diffraction blur because it's an evenly distributed blur. Shallow DOF, on the other hand is a gradient, and can't be corrected quite as simply.
Feb
3
comment I'll be doing a gallery show, any advice on how to price my photos?
My point was that the price of your materials is a lower bound for pricing photos. If that is entirely the wrong approach then please give an example of the right approach.
Feb
1
comment Can a drop of a camera+lens cause AF calibration issues on either — or both — the lens and the body? What are the mechanics involved here?
Sure you can use a sheet of music. The only thing to be aware of is that you need to have a well defined focus 'point' (or line, as in the autofocus test page) so the camera doesn't inadvertently focus somewhere else.
Jan
30
comment If you could only take two lenses on a trip, no budget, what would you take?
Any weight limitation?
Jan
28
revised What information is contained in “filename.jpg.out.pp3” file?
Extraneous text
Jan
28
suggested suggested edit on What information is contained in “filename.jpg.out.pp3” file?
Jan
28
answered What information is contained in “filename.jpg.out.pp3” file?
Jan
26
revised Can a drop of a camera+lens cause AF calibration issues on either — or both — the lens and the body? What are the mechanics involved here?
added 296 characters in body
Jan
26
revised Can a drop of a camera+lens cause AF calibration issues on either — or both — the lens and the body? What are the mechanics involved here?
added 296 characters in body
Jan
26
answered Can a drop of a camera+lens cause AF calibration issues on either — or both — the lens and the body? What are the mechanics involved here?
Jan
25
comment What resolution should be used for images that are to be used in focus stacking?
I figured he was commenting on the stack of layers, one for each image, which would have been pretty big, depending...
Jan
24
comment What resolution should be used for images that are to be used in focus stacking?
The final image may be huge, but if it's a satisfactory end result you can flatten the file and it will be no bigger than a normal image file.
Jan
23
comment Why do cameras use a single exposure rather than integrating across many very quick reads?
As an interesting (to me) thought- You'd only have to store the difference between successive frames, so the amount of data wouldn't necessarily be so much greater than a single frame. Processing time might be an issue with today's technology, though.
Jan
21
revised What makes a photograph “fine art”?
added 316 characters in body
Jan
21
answered What makes a photograph “fine art”?
Jan
20
comment How do I manually wind up film without exposing it?
A rule of thumb (or at least -my- rule of thumb) to determine whether a room is dark enough to handle unprotected film is to go into the room, wait 5 - 10 minutes to (somewhat) accustom your eyes to the dark, and then look at a white sheet of paper. If you can't see it, it's dark enough.
Jan
20
awarded  Mortarboard
Jan
17
comment What external flash trigger voltage is safe for the Sony NEX?
Generally speaking, 6v and under is fine, 10v and over is cause for more research. You can use something like this: bhphotovideo.com/c/product/245292-REG/… if you need to use an 'unsafe' strobe...