"Skip M" wrote in message news:USX6f.3251

hey skip what are flash exposures like with the 5D. Has the underexposure
problem been solved?

By the way not all eos lenses provide distance info to the flash system. I
have found a list that do

Zoom Lenses
Canon EF 16-35 mm F2.8 L USM
Canon EF 17-40 mm F4 L USM
Canon EF 20-35 mm F3.5-4.5 USM
Canon EF 24-70 mm F2.8L USM
Canon EF 24-105 mm F4L IS USM
Canon EF 24-85 mm F3.5-4.5 USM
Canon EF 28-105 mm F3.5-4.5 ll USM
Canon EF 28-105 mm F4-5.6
Canon EF 28-105 mm F4-5.6 USM
Canon EF 28-135 mm F3.5-5.6 IS USM
Canon EF 28-200 mm F3.5-5.6 USM
Canon EF 28-300 mm F3.5 - F5.6L IS USM
Canon EF 70-200 mm F2.8 L IS USM
Canon EF 70-200 mm F2.8 L USM
Canon EF 70-200 mm F4 L USM
Canon EF 70-300 mm F4.5 - F5.6 DO IS USM
Canon EF 90-300 mm F4.5-5.6
Canon EF 90-300 mm F4.5-5.6 USM
Canon EF 100-300 mm F4.5-5.6 USM
Canon EF 100-400 mm F4.5-5.6 IS USM

Prime Lenses
Canon EF 14 mm F2.8 L
Canon EF 20 mm F2.8 USM
Canon EF 24 mm F1.4 L USM
Canon EF 28 mm F1.8 USM
Canon EF 35 mm F1.4 L USM
Canon MP-E 65 mm F2.8 1-5x
Canon EF 85 mm F1.8 USM
Canon EF 100 mm F2 USM
Canon EF 100 mm F2.8 MACRO USM
Canon EF 135 mm F2 L USM
Canon EF 180 mm F3.5 L MACRO USM
Canon EF 200 mm F2.8 L ll USM
Canon EF 300 mm F2.8 L IS USM
Canon EF 300 mm F4 L IS USM
Canon EF 400 mm F2.8 L IS USM
Canon EF 400 mm F4 DO IS USM
Canon EF 400 mm F5.6 L USM
Canon EF 500 mm F4 L IS USM
Canon EF 600 mm F4 L IS USM
Canon EF 1200 mm F5.6 USM