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SB29 Flash compatability

AlanC

UK
2700 posts

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"RE: SB29 Flash compatability"

AlanC Basic Member
Sun 31-Mar-02 04:33 PM

I believe the problem is down to a difference in how the TTL modes work. The film cameras measure the exposure from the light reflected back off the film, while the D1 cameras use the pre-flash from the DX series units reflected off the shutter curtains immediately before the actual exposure is made.

I presume this rules out the older flashes because they can't issue the required pre-flash. Incidentally, this is why you can't use the SU-4 wireless slave with the D1 series: the pre-flash triggers it.

You should be able to use the non-DX flashes in 'A' mode where the sensor on the front of the flash controls the exposure.

Alan.

A general, generic topic SB29 Flash compatability [View all] , Barrie_Harwood , Sun 31-Mar-02 02:11 PM
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