RE: Question: P-TTL and Digital SLR

2002-07-12 Thread Rubenstein, Bruce M (Bruce)
The reflectance of the imaging device (CCD) is much different than film. This is the reason that Nikon had to revise the SB-28 flash for use with DSLRs. I believe that the final flash meter reading is taken from the front of the shutter curtain. From: Patrick White Um.. did I miss

Re: Question: P-TTL and Digital SLR

2002-07-11 Thread Ryan K. Brooks
Speaking of which, it seems that P-TTL is a requirement for decent flash metering on digi-SLRs. I imagine the MZ-D (rip) is the reason we have this. On another topic: 31mm x 1.6 = 50mm Food for thought. R - Original Message - From: Lawrence Kwan [EMAIL PROTECTED] To: PDML [EMAIL

Re: Question: P-TTL and Digital SLR

2002-07-11 Thread Patrick White
Ryan K. Brooks writes: Speaking of which, it seems that P-TTL is a requirement for decent flash metering on digi-SLRs. I imagine the MZ-D (rip) is the reason we have this. Um.. did I miss something? Why is this a requirement for flash on a digital camera? Can't they use the