New answers tagged aperture
0
votes
The picture on my Nikon D5300 is dark, both in live view and through the viewfinder
Like, if I look at my Christmas tree, I see the lights, but nothing
else. If I point it to the window, I see the street, but nothing from
the room I am in.
In both these cases the brightest light in ...
1
vote
The picture on my Nikon D5300 is dark, both in live view and through the viewfinder
There are two possibilities which would cause this behavior: the lenses are not communicating with your Nikon D5300, or the body is not operating the aperture stop-down mechanism. On a DSLR, whether ...
1
vote
The picture on my Nikon D5300 is dark, both in live view and through the viewfinder
"Subject too dark" normally means the camera cannot find focus due to the exposure.
It sounds to me like your exposure settings are just inadequate (too dark). It's also possible that you ...
3
votes
Can this strong directional blur at wide apertures still be explained by the usual arguments?
Is this blur still in the realm of what I should expect in terms of variability? Just a tradeoff I have to make?
No. Not even remotely.
If so, do you have any tips for shooting and/or editing to ...
24
votes
Accepted
Can this strong directional blur at wide apertures still be explained by the usual arguments?
That appears to be a pretty bad case of a decentered element.
Here's a simple test using a siemens star; you don't even need to print it, it can be displayed on your monitor.
0
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Will a leaf shutter with a smaller diameter than the back of a lens lower it’s f-stop?
If the open leaf shutter behind the lens is open and visible through the front of the lens as the smallest restriction when the lens' aperture diaphragm is wide open, then the shutter will reduce your ...
0
votes
Will a leaf shutter with a smaller diameter than the back of a lens lower it’s f-stop?
The f# only refers to the entrance pupil restriction. That is the size of the aperture restriction as seen by the source/subject.
If you shine a light through the back of the lens/aperture restriction ...
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