Re-revised NPP values for 6 shots (CANON7D+SIGMA8MM +7.5)
as same time, I adjusted the eccentric of the ring with papers
If we can rotate and fixed the RING, that's better.
new NPP values : 1.4
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Re-revised NPP values for 6 shots (CANON7D+SIGMA8MM +7.5)
as same time, I adjusted the eccentric of the ring with papers
If we can rotate and fixed the RING, that's better.
new NPP values : 1.4