Jack Davis wrote:

In the TTL/P-TTL meter/flash conversation, what roll does lens "compatibility" play?

I'm not sure what you're looking for, Jack. What aspect of lens compatibility are you interested in?

Basically, if you want "full" compatibility, use A, F, FA, DA and D- FA series lenses with the DS. These work with all metering options and P-TTL flash metering. M and K-mount lenses are best supported by Manual exposure for ambient metering and will only do TTL metered flash with an appropriate external flash unit. These lenses will do TTL flash metering with the built-in flash when used with a D body.

Godfrey

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