Red and Blue

by Gordon

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20,103 reputation
967127
bio website
location Atlanta, GA
age 31
visits member for 4 years, 6 months
seen Apr 26 at 23:18

Oracle DBA

Director Of Technical Production Highlands Church

Former Professional Portrait Photographer Some pictures I've done


Apr
11
comment Why are phase detect lenses adapted onto contrast detect bodies so much slower?
If it needed pre-knowledge, then every time you bought a newly released lens with an older camera, the AF would be drastically slow till a camera firmware update.
Apr
11
comment Why are phase detect lenses adapted onto contrast detect bodies so much slower?
So, its not that the camera doesn't "know the lens well", implying some sort of pre-knowledge- its tha the camera probably doesn't speak the full 'language' of the lens
Apr
11
comment Why are phase detect lenses adapted onto contrast detect bodies so much slower?
... are you sure that's not just part of the mount specification? I don't think the camera has to have a database of all lenses - surely that's part of the electrical information that passes between the mount?
Apr
11
comment Why are phase detect lenses adapted onto contrast detect bodies so much slower?
"knows the lens well" - what do you mean by that?
Apr
11
revised Can a bridge camera produce similar photos to a DSLR for sports?
added 206 characters in body
Apr
11
revised Can a bridge camera produce similar photos to a DSLR for sports?
added 206 characters in body
Apr
11
answered Can a bridge camera produce similar photos to a DSLR for sports?
Apr
11
revised Can a bridge camera produce similar photos to a DSLR for sports?
edited title
Apr
10
comment What are the biggest differences between Reversal Rings, Extension Tubes and Macro Lenses?
For anybody reading this: Take a cardboard tube (the inside of a toilet paper roll is perfect) and cut it to length to fit your extension tubes. Pop it in and it completely clears up the haze.
Apr
10
comment What settings do I need to use for interior shots so the lights don't look flared/streaky?
What lens are you using here?
Apr
9
comment What are the biggest differences between Reversal Rings, Extension Tubes and Macro Lenses?
Got some extension tubes today and remembered reading this about center haze. Sure enough got massive haze! I'm going to try lining the inside of the tubes with something less reflective.
Apr
8
comment Is it possible to do a multiple exposure on an Olympus 35sp?
Sorry, wish I could help more, but I've never done film work.
Apr
8
comment Is it possible to do a multiple exposure on an Olympus 35sp?
A quick google shows perhaps something similiar? here
Apr
8
comment How can I make the most of entry level camera gear?
I shot some indoor soccer with an 85 and that was pushing it. A 50mm for indoor sports would require something rather specific I think ...
Apr
6
comment What to do when autofocus on Canon 85mm f/1.8 not working?
Have you cleaned the various electrical contacts on the mount?
Apr
4
comment Can an SLR Mounting rim made of metal gather rust?
It may be entirely possible to remove the rust safely. There are a variety of methods depending on the severity.
Apr
3
comment Post production for beginners
For enhancement, I'd learn darktable, Lightroom, rawtherapee, or a program such as that first.
Apr
3
comment How long is too long to leave the shutter open before prolonged exposure to light damages the sensor?
I think that we're talking about the same thing - but it happens fairly frequently with no apparent ill effects, nor do I see any credible examples of it with a google search. Can you provide any written or documented sources?
Apr
3
comment How long is too long to leave the shutter open before prolonged exposure to light damages the sensor?
I've never heard of overexposure damaging the sensor - source?
Apr
2
comment What is Snapsort's true resolution?
@ajhenderson - I'm not saying that its not worth having an in-depth answer to what 'effective resolution' is. But the question asked about their 'true resolution', which is a term Snapsort made up, with a definitive answer, and they even provide a webpage on how they measure it....which isn't this answer. (Regardless of how right or wrong Snapsort's methodology is). It's like asking how Wendy's makes a Frosty and somebody writes on how to make ice cream in depth.