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Canon EOS 620 - 650 camera manual
Quartz Date Back E Technical Back E / Interface Unit TB / Keyboard Unit E
The Quartz Date Back E is a fully automatic data back which imprints data on the film.
1. Auto date up through the year 2029. (automatic compensation for leap years and long/
short months)
2. Auto digital clock mode (Day/Hour/Minutes) with 24 hour display.
3. Arbitrary 6-digit numbers
4. Frame counter number from Fc 0001 through 9999.
As the name "Technical" suggests, the Technical Back E not only imprints the data and
arbitrary comments (up to 30 digits) on film but memorizes shooting data such as shutter
speed, aperture value, lens focal length and film speed.
file:///D|/copy_topcities/chinon/canon_620-650/canon_eos_620-650-3.htm (2 of 15)1/9/2005 1:18:39 PM