Time to be with your loved ones

Time to be with loved ones

by sat

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visits member for 3 years, 5 months
seen 5 hours ago

Apr
16
awarded  Editor
Apr
16
revised Is f/number more relevant than aperture and/or shutter speed?
Suggested clarification that some modern lenses do have mechanical aperture rings.
Apr
16
comment Is f/number more relevant than aperture and/or shutter speed?
Certainly -- I still have a Nikon FM2 and used to be a huge darkroom snob. I'm sure as long as Leica is in business and view cameras are sold there will always be mechanical aperture rings.
Apr
15
answered Is f/number more relevant than aperture and/or shutter speed?
Apr
11
comment How can I tag my photos with electric compass info giving direction my camera was facing?
You might have better luck at the GIS stack exchange site.
Apr
11
comment How can I tag my photos with electric compass info giving direction my camera was facing?
The problem, I think, is that Surveyors are going to use theodolites (very accurate, a lot more expensive than $10) not DLSRs and for most photographers elevation/depression is mostly pass/fail (is the camera level or not). So the thing that you are looking for is very rare and/or expensive. Looking on Google, I could only find one example of someone rigging one up on their own and only one theodolite (a total station) that had a digital camera. It is a Topcon IS-3, which looks to be a US$ 14,000 machine. But, there is an iOS app called "Theodolite" that seems to do what you want.
Nov
18
awarded  Yearling
Mar
9
comment What advantages does 35mm film have over high-end digital?
I guess I'm looking at this from the standpoint of an old film guy, who expects camera companies to carry the exact same model for decades. Nikon's F1 came out in 1959, the F2 in 1971, the F3 in 1980, the F4 in 1988 ... oh heck -- ever since they invented the integrated chip everything has gone to hell ;-)
Jan
29
answered How can I take better pictures in theatre fog?
Jan
11
comment Technical book about exposure
Are you interested in: A) How the sensors capture data, how the cameras interpret that data, is the response to light linear or is there a curve, etc.? B) How the light meters in cameras are constructed, calibrated, what algorithms they use when multiple areas are read, etc.?
Jan
11
comment What combination of R, G, B lasers will give “White” with a given °K temperature?
Maybe this will help: photo.stackexchange.com/questions/10385/…
Jan
4
comment What lightweight telephoto lens are available for Nikon bodies?
This would fail the F-stop requirement, but does anyone make an AF mirror tele in a Nikon mount? I haven't used one in ages, but 500mm in a lightweight package can be done with a mirror lens, you just end up with a (fixed) F-stop around 8.
Dec
12
comment Sheet film development Vs Roll film development
I think the confusion here is between "enlargement" and "development". Here they are talking about film development where you have the whole roll of film on a reel inside a tank where you pour in the chemicals that turn the undeveloped film into the negative film you can put in the enlarger. Once the film has been developed, then you put the film in an enlarger's negative carrier to project the image onto photosensitive paper -- then develop that paper into a positive image. You could not normally cut the film before developing it.
Dec
12
comment RGB to CMYK in Photoshop without ICC?
I'm pretty sure that Photoshop introduced the ability to convert to CMYK (1991?) before ICC Profile started to become a standard (2003?). But even then there would have been some kind of color space conversion data ("profile") to make the RGB Data -> CMYK Data -> Monitor RGB path work. It just wouldn't have been called an ICC Profile, that mechanism would be no more than a historical curiosity at this point. Photoshop still allows you to kind of mix your own ink colors as part of a custom CMYK profile, but I'm guessing that even that the process has an ICC foundation now.
Dec
11
comment How to get blue light effect?
Another keyword to search for when looking for tutorials would be "duotone". Photoshop has this as a color mode, not sure about other applications.
Nov
18
awarded  Yearling
Nov
5
answered How can I justify a new camera purchase when I'm not a top photographer?
Oct
29
answered How can I tell if my film is over/underdeveloped?
Sep
26
comment Photographing microfiche readers: Bright light forces camera to darken image
Would it be possible / practical to obtain an 8x10 transparency scanner? That would eliminate the microfiche reader altogether.
Sep
5
comment How to reduce the image resolution to increase ppi?
To clarify your question -- what are you trying to do? Do you want to make a smaller sized print from an image with a bunch of pixels, or are you sizing an image down for use on the web?