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Praktica BX 20S new young generation
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Praktica BX 20S new young generation
Producer data
Producer Pentacon GmbH Foto- und Feinwerktechnik responsible constructor unknown
production period unknown, according to body number: 1998

possibly a falsification of the normal BX20S

no of produced cameras 33,319 (Grunewald, last production day 16.08.1999, the last numbers were 933.. (1999, 33th week)

but possibly only 17 cameras

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, 16 multicoloured 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, "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 (25 to 5000 ASA for automatic film speed entry via DX cartridges, 25 to 400ASA for manual film speed entry) using electronic diaphragm control (EDC) for measurement with open aperture using a Silicon photo-sensor, auto exposure compensation, TTL-flash system (!), 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
bulletthis camera is according to Pentacon a "falsification"
bulletif anybody know something about this camera please contact me
bulletproduced in August 1998, 41. week
bulletsold 31.12.2002 by Curt Grunewald Büroorganisation - Hartha/Sa, Nordstr. 4
bulletpossibly a small series (17pieces) of BX20S cameras were special made for Grunewald Büroorganisation (personal communication from Hans-Gottfried Grunewald), but modifications from regular series unknown
collection data
Hummel-No 239* Kadlubek-No. KWE 4000
body no. 8411043 lens no.  
lens type   purchase price 650€



under construction





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