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Praktica BY60

 

Praktica BY60 design sample - labelled BY20
Producer data
Producer VEB Pentacon Dresden Betrieb des Kombinates VEB Carl Zeiss Jena responsible constructor Dr. Jehmlich/ Dipl.-Ing. Schultzki
construction period November 1989 - June 1990
(March 1991)
no of produced cameras 3 (?) design models
Technical properties of the camera
shutter type

(planned)

  exposure time
(planned)
B to 1/2000s
bullet4 exposure programs
bullet4 AF-programs
bullet5 time based programs
view finder

(planned)

fixed eye-level view finder (Pentaprism) with field lens,  multicoloured LED-Array for program status signalling (left side of the view-finder image) changes their brightness with brightness of the image mirror

(planned)

instant-return mirror using electric motor
film transport / frame counter

(planned)

integrated motor winder with maximum speed of 1,5 pitures/s,  auto-zeroing electronic frame counter in the LCD-monitor, automatic motorized film insertion lens mount

(planned)

new mount system with EDC (electronic diaphragm control) as well as autofocus control inside lens
self timer

(planned)

electronically, approx. 10 sec delay battery

(planned)

2CR5
metering system

(planned)

TTL-metering (for automatic film speed entry via DX cartridges) 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

(planned)

X-synchronisation (automatically adapted with fixed time of 1/125s for mini-flash system), accessory shoe at the top of the pentaprism, flash auto exposure system with 
flash indication

(planned)

yes aperture reflection into view finder

(planned)

yes
general comments
bulletdesign model based on concept study for Praktica BY60 AF2 labelled as BY 20 according to the R&D-plan 117 (begin 11/1989 (step A1), planned end 08/1991 (step A4))
bulletwith wide angle lens model Prakticar 2.8/28
bulletthe development of these camera was cancelled in June 1990 because the resources were not available at the GDR industry with a loss of 23.000.000 M
collection data
Hummel-No 300* Kadlubek-No. none
body no. none lens no. none
lens type Prakticar 2.8/50mm purchase price * €
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manual

under construction

 

 

 

 

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Stand: 10. April 2010