I do a lot of macro photography, and recently have been pushing it with the addition of extension tubes. I notice that, if I increase the ISO beyond 400, the noise level becomes really noticeable. Is this an inevitable effect of the magnification?
Noise and macro
Started by MikeCT, Jul 21 2018 01:13 PM
4 replies to this topic
#2
Dennis
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Posted 21 July 2018 - 04:19 PM
You can increase the exposure, a lot of noise can come from being slightly under. You wont really get rid of all of it. You can also use flash to help pump more light in.
Thanks, Dennis.
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#3
MikeCT
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Posted 22 July 2018 - 12:06 PM
You can increase the exposure, a lot of noise can come from being slightly under. You wont really get rid of all of it. You can also use flash to help pump more light in.
Trouble is that I am running sequences of over 1000 shots and the flash overheats and shuts down, or the batteries go dead.
#4
Dennis
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Posted 22 July 2018 - 04:36 PM
Trouble is that I am running sequences of over 1000 shots and the flash overheats and shuts down, or the batteries go dead.
Then you will need continuous light source. You will need to setup a custom light balance.
Thanks, Dennis.
Photography: 100 percent art, 100 percent technical. It takes a photographer to blend them into an image.
Film: That tangible image that you can see and hold.
My Web Site.
My 500px page.
My Instagram.
Member; Colorado Springs Creative Photography Group, NPS member.
Nikon Z7 (My wifes, but I'm allowed to use it once a quarter), Z6, D4, D850, D200, Fm2, FM, Mamiya RB67.
#5
Dennis
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Posted 20 November 2018 - 12:55 PM
To answer you question. If you take a light reading of the subject, the background will be under exposed. Noise will show up. This is true for most anything. A bird in a tree, the background is usually underexposed. Even if you use long exposure, some of the background will be under exposed. Noise will show. Adding the extensions, will lower the light hitting the sensor. So, you need to have more light.... someway.
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Thanks, Dennis.
Photography: 100 percent art, 100 percent technical. It takes a photographer to blend them into an image.
Film: That tangible image that you can see and hold.
My Web Site.
My 500px page.
My Instagram.
Member; Colorado Springs Creative Photography Group, NPS member.
Nikon Z7 (My wifes, but I'm allowed to use it once a quarter), Z6, D4, D850, D200, Fm2, FM, Mamiya RB67.
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