For other flash operations, set as follows – Nikon SB 20 User Manual

Page 22

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For other flash operations, set as follows:

Lens maximum

aperture

Aperture setting

Lens

only

f/2.8 or faster

f/2.8 or larger f-number
(f/2,8, f/4, f/5.6, etc.)

Slower than f/2.8

f/5.6 or larger f-number
(f/5.6, f/8,f/11, etc.)

F-501/
N2020

with
TC-16A

f/1.4or f/1.2

f/2 or larger f-number
(f/2, f/2.8, f/4, etc.)

f/1.8, f/2, f/2.5orf/2,8

f/4 or larger Lnumber
(f/4, f/5.6, f/8, etc.)