Shutter timer for DSLR - 08 February 2008

An external shutter is necessary for taking pictures with exposure time over 30s (bulb). Electronical programmable shutter is very useful accessory for astronomical photography.

Martin Pecka is author of a concept, technical realization was made by Ivan Majchrovič. This is my thanks them for their effort.

The author of concept has changed originally suggested times according to my wishes.

Exposure times:
1s, 2s, 4s, 8s, 15s, 20s, 30s, 45s, 60s, 90s, 120s, 180s, 240s, 300s, 480s, 600s, 900s, 1/2ho., 1hod.

-- , 2s, 3s, 4s, 8s, 15s, 30s, 1m, 2m, 4m, 8m, 15m, 30m, 60m, 90m

Mirror lockup:
Off, 1s, 2s, 4s, 8s

Self timer:
Off, 2s, 4s, 8s, 15s

Focus time:
-- (no delay), 0s (about 0.4sec.), 1s, 2s

Store time:
0s (about 0.2sec.), 1s, 2s, 4s, 6s, 10s, 15s

Count of exposures:
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 30, 40, 50, 60, 80, 255