Olympus Quick Auto 310 flash unit. fore use with OM-2 camera

This Flash unit was specially made for TTL use with the OM-2 without the N. It will give TTL exposure with this

Type : Energy saving series – circuit type TTL automatic exposure System electronic flash unit.

Guide number : 34 at peak  (ASA 100)m) or at peak  (ASA 25,ft)

Coverage angle : 50º vertical 80º horizontal.

Flash duration : 1/40—1/1000 sec.

Recycling time : 0.2 •-12 sec. with 4 alkaline batteries.

Flashes per set of batteries : 100~over 400 on TTL Auto and Normal Auto.

Color temperatures: 5.800 º Kelvin.

Conection to camera : Mechanical clip-on type (via accessory shoe) or grip type via bounce grip.

Electrical : Direct contact ( hot shoe) or via auto cord or sychro cord.

TTL Auto : aperture setting  Continuous accords with aperture ring setting of camera-linked lens.

Working range : 0.25—23m (ASA100 F1.2 lens) with –self-setting distance scale.

TTL Auto Check :  Neon-flicker ( aprox 5 secs after flash.)

Bounce flash : Bounce grip + TTL auto cord 0.6 m.

Normal Auto :  apperture setting ; choice of 3 apertures ( F4,F5.6 and F8 at 100 ASA). Normall auto sensor acceptance angle : 20º. Working range : 0.5 – 8.5 meter (ASA100) with self-setting distance scale.   Auto Check :  Neon-flicker ( aprox 5 secs after flash.) Bounce- flash ; Bounce grip + remote sensor.

Manual Flash  Guide  Numbers :  H1-34 Low—17 (ASA100).

Test button for Normal auto check & open flash : push button type ( for non TTL auto only).

Power source options :  1. Self-contained 1.5v AA penlight battery 4x . 2. 1.5 v C battery x4 in bouncegrip. 3. Layer battery 315 volt power pack. 4. AC house current via F.AC. adapter. Combination 1,2,3 or 1,2,4 compateble.

Size and weight:  99 x 80 x 73 mm. 330 grams les batteries.