I have original non-Ai Nikkor 20mm f3.5 UD and 50mm f1.4 S Auto. When I tried auto TTL flash on Nikon F4 with SB-22S, it was not firing. But it was firing in Manual mode. The flash icon inside the viewfinder was blinking continuously when in Auto TTL mode. What would be the reason? Does non-Ai lenses not support TTL flash feature on Nikon F4?
Thanks for your answers.
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