Praktica BXEDH
- part of BX20s-ED (H-V)-system |
Producer data |
Producer |
Jos. Schneider
GmbH |
responsible constructor |
unknown |
production period |
1996/1997 |
no of produced cameras |
approx. 150 systems |
Technical properties of the camera |
shutter type |
steplessly working electronically controlled vertical-run
two-magnet metal-blade focal plane shutter |
exposure time
(possible settings) |
|
view finder |
modified fixed eye-level view finder (Pentaprism, field of view: 95%)
with field lens with triple rangefinder wedge, truncated microprism screen, ground glass
field,
16 multicolored LEDs for shutter speed signaling (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 color of the aperture setting reflection window)
limited field for reduced negative size
|
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 |
none |
battery |
works only using special power
supply unit |
metering system |
unknown - optically identical
with standard BX 20S
(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-synchronization (1/100), accessory shoe at the top of the
pentaprism |
flash indication |
yes |
aperture reflection into view finder |
yes |
general comments |
| part of special
system for police records department with a negative size
of 18x24 mm for Bertillon
photography for mug shots |
| systems consists of two cameras:
| BXEDH - that means ED=police records department (Erkennunsdienst)
and H=half format (Halbformat) with
24x18mm negative format |
| BXEDV - that means ED=police records department (Erkennunsdienst)
and V=full format (Vollformat) with
24x36mm negative format |
|
| both cameras were integrated in the LIBAS (Lichtbildaufnahmesystem=slide
photography system) developed from Dunco inc. and criminal investigation
departement as well Jos. Schneider inc, Feinwerktechnik Dresden |
|
collection data |
Hummel-No |
245* |
Kadlubek-No. |
KWE 4041 |
body no. |
7486889 |
lens no. |
|
lens type |
|
purchase price |
620€ |
advertising |
|
manual |
|
BXEDH pictures
BXEDV picture
LIBAS
chart |