iiif redscale flash settings

[Aryel]

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Hello,

I just got a new flash (Godox Lux Senior) to use with my M and iiif camera. From the user manual, it seems that I should use either:

1/ red scale set to 0 with 1/25 shutter speed or

2/ red scale set to 20 with 1/50th shutter speed.

Can anyone confirm that this is correct?

The flash fires so the cable connection is working. 

Thanks a lot!

Edited April 10, 2024 by Aryel

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[jankap]

I suppose your flash is an electronic one (not with bulbs). 

My manual says, that one can use scale 0 (zero) up to 1/25sec and scale 20 for 1/50sec. 

The point is, that electronic flash gives an instantaneous and a very short flash, so both curtains must be open as the flash comes.

The other contacts were for the various brands of flashbulbs. They needed a start-up time and burned longer.

Edited April 10, 2024 by jankap

[jankap]

Caution. If the flash is of an older type, it can/will burn the transistor of the flash contact of an electronic camera.

The IIIf is safe of course, no transistors inside.😉

[roydonian]

Older is only a couple of decades ago. An electronic flash unit purchased from Jessops in the early 1990s burned out the synchronisation of my then-recently-purchased Digilux.

[Pyrogallol]

Yes. Quite often people giving away old film cameras, usually their late parents, include flash guns with the cameras. If they are passed on to other camera club members they are warned about using them on modern cameras.