Sunset in Kruger

by MrFrench

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1,593 reputation
818
bio website
location ND
age 31
visits member for 2 years, 10 months
seen Apr 17 at 23:26

Jan
3
awarded  Nice Answer
Jan
2
comment Why does “bulb” mode usually rely on holding the shutter button?
I have seen the cable release from your second picture, but not the first. Now "bulb" makes sense.
Jan
2
accepted Why does “bulb” mode usually rely on holding the shutter button?
Jan
2
comment Why does “bulb” mode usually rely on holding the shutter button?
If you keep holding the button, it's not going to be just a couple of jiggles at the start and the beginning. There's a risk of many jiggles during the exposure due to the need to keep holding the button.
Jan
2
asked Why does “bulb” mode usually rely on holding the shutter button?
Jan
1
comment Does this test chart show that my kit lens front focused?
For more reliable results, focus on markings on a sheet that is strictly perpendicular to the optical axis, and place a separate rules at a tilted angle next to it. Tilting the whole chart is unreliable.
Jan
1
revised How can I avoid green flare on my sunrise photos?
added 19 characters in body
Dec
31
comment How to calculate the correct focal length needed for a subject of a given size and distance?
Suppose you want to frame an object of size a at distance l. Then, roughly, a/l = s/f where s is the sensor size and f is the focal length.
Dec
31
answered How do you even see the focus area rectangle when in dark?
Dec
31
revised How can I avoid green flare on my sunrise photos?
added 166 characters in body
Dec
31
answered How can I avoid green flare on my sunrise photos?
Dec
25
accepted How can I take wide angle macro photos with a Nikon APS-C camera?
Dec
24
comment How can I take wide angle macro photos with a Nikon APS-C camera?
Thanks for your response. It wasn't clear to me how to determine when an extension tube is too thick to prevent any sort of focusing. With a wide angle lens, the focal length is always shorter than the flange distance, and they have to use something like a retrofocal design. So a thin lens model won't help in figuring out what would happen. I should have though of the obvious solution: just hold the lens in front of the camera without mounting it to test whether an extension tube of a certain thickness would work.
Dec
22
revised How can I take wide angle macro photos with a Nikon APS-C camera?
edited title
Dec
22
comment How can I take wide angle macro photos with a Nikon APS-C camera?
Anyone voting to close, please read the question carefully first. I thought it was clear that I'm asking for facts on what works, not opinions on what's best. If the question is not clear, please comment.
Dec
20
revised How can I take wide angle macro photos with a Nikon APS-C camera?
added 25 characters in body
Dec
20
comment How can I take wide angle macro photos with a Nikon APS-C camera?
This is not a recommendation question. I'm not asking what's the best. I'm asking what works at all (based on first hand experience).
Dec
20
asked How can I take wide angle macro photos with a Nikon APS-C camera?
Dec
17
comment Why does L*=0 not correspond to black in the L*a*b* color space?
Maybe easier to see: Manipulate[ ArrayPlot@ Table[LABColor[l, a, b], {a, -1, 1, .05}, {b, -1, 1, .05}], {{l, 0}, -1, 2} ]
Dec
17
comment Why do digital cameras not have an iso rating?
I don't think people will stop and spend time to convince you about this, I certainly won't. However, you could easily do some research using Google to find out for yourself. You might want to read up on Poisson process and shot noise too.