Hi Bill, I send you an overflow of the SB23 cabablities from a Nikon flash brochure: SB23 works with: F5, F90X, F70: Multi-Sensor-Flash (without monitor preflash), TTL, M F4, F60, F50, Pronea600i: Matrix-Fill-in-flash, TTL, M F3, FM2: no TTL, manual mode on the SB23 only Hope this helps regards Hans-Ferdinand > > I am looking for a compact flash to use with my N90s, FE2, and N2000 - the > SB-23 is the right size, but Nikon's description of it on their web site is > not very helpful. It is described as being capable of "balanced fill flash" on > a veriety of bodies. > > Does it only do fill flash, and only on late model bodies, or is it capable of > TTL on all Nikon bodies with TTL flash metering? > > TIA, > > Bill Boyle > > ------------------------------ >