The Zenza Bronica ETRSi has been developed as a system camera, with a very high degree of modularity. With interchangeability in lenses , finders, focusing screens and film backs. It has also refined features including flash synchronization at all shutter speeds up to the fastest 1/500 second. Also full auto-flash control based on TTL-direct light measurements at the film plane , with an exclusively-developed SCA system adapter. Further more the Zenza Bronica ETRSi is supported by a complete range of accessories for use in day-to-day assignments as well as for special work.
Type: 4.5x6cm format lens shutter single lens reflex camera with interchangeable lens, film back, finder and focussing screens.
Frame size: 42.5×55.1mm.
Film: 120 roll film (15 exposures) 220 roll film (30 exposures) 135 cartridge loaded film, and polaroid land pack film.
Standard lens: Zenzanon – EII 75mm F2.8 lens , interchangeable type: 6 elements in 4 groups: Multi layer anti reflection coated;49° angle of view;F22 minimum aperture ; 60cm minimum focusing distance; and helical focusing.
Filter size: 62mm diameter for 40-250mm lenses and 95mm for 500mm lens.
Lens mount: Exclusive four claw Bronica ETR mount.
Lens diaphragm: Fully automatic instant reopening diaphragm action; equal-distance aperture scale graduations; depth of field previewing.
Shutter: Electronic control Seiko #0 between the lens leaf shutter ; Shutter speeds 8 to 1/500sec plus B and T. Intermediate settings not possible ; mechanical control setting of 1/500sec.
Film winding: Film winding crank; one complete forward revolution or ratcheted winding action.
Mirror lock-up: Possible with mirror lock-up lever.
Multiple exposures: Possible with multiple exposure lever; red warning sign in finder.
Film back: Daylight loading interchangeable type; exclusive film backs for 120,220 and 135 roll films and polaroid land pack film.
Finder system: Interchangeable finder system;94% of actual field of view (remains unchanged with different finders.); choice of four optional finders, or waist Level Finder E,AE-II finder E, Rotary Viewfinder E and Prism Finder E.
Focusing screen : Interchangeable type ;standard screen has Matte spot.
Flash synchronization: X-setting (up to 1/500sec) Auto flash control based on direct light measurements at the film plane is possible with optional SCA System Adapter.
Battery checking: Red-coloured LED lights up within screen area when battery check button is depressed , if there is sufficient power; also doubles as shutter closing signal.
Battery: Single 6-volt silver oxide or alkaline-manganese battery: also powers AE-II finder E when attached.
Dimensions: 92x87x69mm main body. 92x 107 x 165mm with standard lens.
Weight: 470 grams main body. 1285 grams with lens and film back.