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F3 3 Lodestar Arrangement

DoctorD

Lodestar with F3.3 reducer set up



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Note this spacing will result in severe coma - I'm still experimenting with the spacing.

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I've now removed the 10mm spacer so the distance from the reducer to the front of the Lodestar is now 53mm - this gives a focal reduction of about F3.5 and much lower distortion.

 

I will continue to experiment with the spacing but am happy with the results:

 

 

M81 2016.1.15 22.06.02

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