Napioa - Wind Origins

Napioa - Wind Origins
by octopus                

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22/20 answers
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Apr
1
accepted How *Auto* Are Pentax Auto Extension Tubes?
Apr
1
comment Why do my SD cards stop working in my PC (although they remain working in my camera)?
Please indicate how you read the cards into your computer.
Apr
1
awarded  Enlightened
Mar
30
asked How *Auto* Are Pentax Auto Extension Tubes?
Mar
30
comment How accurate are cheap hotshoe bubble levels?
@mattdm - Pentax Canada takes months to fix anything, so I am afraid to send it. There is no local Pentax service center where I live :(
Mar
30
comment How accurate are cheap hotshoe bubble levels?
@Vian - Measure the tilt of shot C using imaging software (which shows you pixel coordinates) and basic trigonometry. The angle of shot C is your accuracy. Do the same for shot A and B. The difference in angles between A and B is your tolerance.
Mar
30
comment How accurate are cheap hotshoe bubble levels?
@Vian - Setup a string with a symmetric weight hanging from its mid-point, so that you have a vertical according to gravity. Then, for each axis: (1) Start with the camera tilted and straighten it until the level indicates it is level. (2) Take shot A. (3) Continue tilting in the same direction until the camera is just passed level and back off so that it is level. (4) Take shot B. Tilt the camera from point B to A and take shot C at the mid-point. Continued in next comment....
Mar
30
answered How accurate are cheap hotshoe bubble levels?
Mar
30
answered What qualities should be looked for in a ball head before purchasing one?
Mar
28
comment Projects to do if you have an additional camera
Sorry, you are right. Your cameras do not have IR receptors... That just made too easy on mine :)
Mar
28
comment Projects to do if you have an additional camera
You need a tripod and a twin camera mount and have to resize the 7D's images to match that of the 30D.
Mar
28
comment Projects to do if you have an additional camera
Never did it. It's not my thing but this question may be relevant: photo.stackexchange.com/questions/11211/… - Guess you have to like the look of the results :)
Mar
28
answered Projects to do if you have an additional camera
Mar
28
reviewed Reject How to reproduce this dark-toned color effect?
Mar
26
awarded  Enlightened
Mar
26
awarded  Nice Answer
Mar
25
comment How can I set an exposure time over 30 seconds with a DSLR?
Furthermore, some cameras will automatically cut-off the exposures when the internal temperature gets too high.
Mar
25
comment How can I set an exposure time over 30 seconds with a DSLR?
Indeed, not all cameras do that. Most cap the exposure time at 30s, even with bracketing, so if you try to bracket from a 30s exposure, you can get multiple shots with 30s time (which is kind of silly IMHO). Some will open the aperture to get more light so you may still get brighter 30s exposures.
Mar
25
comment Do rented lenses usually come with cheap filters attached?
What an awesome selection of Pentax gear. They even have a few which I don't :) Sadly, in their FAQ, the point Canadian visitors to a site which does NOT rent Pentax gear. That's a pretty awful thing to do to a Pentaxian :(
Mar
25
answered How can I set an exposure time over 30 seconds with a DSLR?