REVUE BX

REVUE BX

Producer data

Producer

VEB Pentacon Dresden Betrieb des Kombinates VEB Carl Zeiss Jena

responsible constructor

Herbert Welzel, Rolf Seibert

production period

prototype - unknown

no of produced cameras

prototype

unknown (1?)

Technical properties of the camera

shutter type

steplessly working electronically controlled vertical-run two-magnet metal-blade focal plane shutter

exposure time
(possible settings)

B, steplessly automatic speeds between 40 sec and 1/1000; manually precise speeds of 1/1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250,1/500, 1/1000; mechanical range 1/100 sec

view finder

fixed eye-level view finder (Pentaprism, field of view: 95%) with field lens with triple rangefinder wedge, truncated microprism screen, groundglass field, 14 red LEDs for shutter speed signalling (right side of the view-finder image) changes their brightness with brightness of the image, on the left side one LED for flash ready signal, one for locked metered value (AEL) and one for exposure compensation (+/-), "cocked/no cocked" signal (orange colour of the aperture setting reflection window)

mirror

instant-return mirror

film transport / frame counter

single stroke 125° wind-on quick-release lever with 25° stand off position, accepts BX-motor winder, folding crank rewind knob, auto-zeroing frame counter

lens mount

Praktica-B-mount with EDC (electronic diaphragm control)

self timer

mechanically, approx. 10 sec delay, serves also as stop-down lever for depth-of-field checking

battery

VARTA V28 PX (4xLR44)

metering system

TTL-metering (12 to 3200 ASA) using electronic diaphragm control (EDC) for measurement with open aperture using a Cadmium sulphide photo-resistor, auto exposure compensation with +/- two shutter speeds in half steps, automatic exposure system with memory key, battery check facilities

flash system

X-synchronisation (1/100), accessory shoe at the top of the pentaprism

flash indication

yes

aperture reflection into view finder

yes

general comments