Cognisys Stackshot?

Started Aug 14, 2019 | Discussions thread
Ellis Vener
OP Ellis Vener Forum Pro • Posts: 13,919
Re: Cognisys Stackshot?

Bill Janes wrote:

Ellis Vener wrote:

I’m not sure if I need one or merely want one. I have a macro project coming up and I will be doing focus stacking. While my camera has focus shift capabilities.

the project will be in the 1:2 to 4:1 magnification range.

Ellis.

Take a look at Rik Littlefield's post on focusing by ring or rail. For magnifications of less than 1:1 an auto-focusing macro lens with "focus shift" is my preferred method, although determining the number of shots and step size with my Nikon D850 takes some experimentation.

For magnification greater than 1:1 many methods require manual focus and the StackShot is very useful and simple to use in this situation. One can set the near and far focus points, specify the number of shots, and start shooting. Alternatively, one can set the start distance, step size and number of shots. The Zerene site has good depth of field tables that help in determining the step size. Extreme Macro has some good info on high magnification photography.

Thank you Bill!

i want to avoid the out of focus blurred edge when photographing at an oblique angle and the background is textured.

i am working with a Z7 and a D850 so I already am familiar with focus stepping. I am using Helicon Focus stacking software.

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Ellis Vener
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 Ellis Vener's gear list:Ellis Vener's gear list
Sony RX100 VII Nikon D850 Nikon Z7 Nikon Z6 +1 more
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