Serial Numbers:
Type 6x6cm format shutter single lens reflex camera , with interchangeable lens , film back , finder and focusing screen systems.
Flame size 55.6 x 55.6cm
Film 120 roll film ; 220 roll film ; 135 cartridge-loaded film ; and Polaroid Land film. (Exclusive film backs for each film type.)
Standard lens ZENZANON PS 80mm F2.8 lens, interchangeable type; 6 elements in 5 groups ; multi-layer anti -reflection coated ; 50.7°angle of view ; F22 minimum aperture ; 0.8m minimum focusing distance.
Lens mount Exclusive four-craw BRONICA SQ bayonet mount.
Shutter Electronic control SEIKO#0 between-lens leaf shutter ; shutter speeds 16 to 1/500sec. plus B(Bulb) and T(Time) ;
Film winding Film winding crank ; one complete forward revolution or ratcheted winding action
Mirror lock-up Mirror look-up possible with switch lever on the side of camera main body for a single or continuous picture talking.
Multiple exposure Multiple exposure possible with lever on main camera body.
Film back Daylight loading interchangeable type ; exclusive film backs SQ-i 120(6x6) SQ-i 120J(6x4.5) SQ-i 220(6x4.5) SQ-i 220J(6x4.5) SQ-i 135N , SQ-i 135W and Polaroid Film back S ; with ASA/ISO film speed dial on Film Back SQ-i , SQ-iJ , SQ-i 135 and ASA/ISO film speed switch on Polaroid Film back S coupling to the finders with built-in exposure meter , when attached.
Finder system Interchangeable finder system ; 94% of actual field of view
Focusing screen Interchangeable ; Microprism / Spilt-image (standard)
Flash synchronization X-setting (up to 1/500sec.) ; auto-flash control based on direct light measurements at the film plane are possible with optional SCA System Adapter.
Battery checking Red-colored LED lights up within screen area when battery check button is depressed, if there is sufficient power ; also double as shutter closing signal.
Battery Four 1.5-volt alkaline-manganese battery (LR44x4pieces)
Dimentions 92(W)x94(H)x80(L)mm (SQ-Ai main body only.)
92(W)x109(H)x179(L)mm (with standard lens, Film back SQ-i 120 and Weist-Level Finder S.)
Weight 550 grams(SQ-Ai main body only ; without battery.)
1515 grams(with standards lens , Film Back SQ-i 120 and Weist-Level Finder S ; without battery)

This page last modified on 11.10.2015