Thread: F-ratio myth
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Old 21-02-2018, 05:48 AM
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Slawomir (Suavi)
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Thank you Ray for explaining it so well.

I was also going to suggest making a test with the same scope and camera bin 1x1, but changing f-ratio with a barlow, imaging at native FL and then using a reducer. I tired it and it DOES affect the speed
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