Asahi Pentax ES Operating Manual Excerpts
SPECIFICATIONS
Type
35mm TTL-metering single-lens reflex camera with focal plane electronic shutter for automatic exposure control.
Film and Picture Size
35mm film (20 ir 36 exposures). 24mm x 36mm.
Standard Lenses
Super-Multi-Coated Takumar 50mm f/1.4 and 55mm f/1.8 with fully automatic diaphragm. 7 elements in 6 groups. Distance scale: 0.45m (1.5 feet) to infinity. Filter size: 49mm. With depth-of- field scale.
Shutters
TTL-metering electronic shutter for automatic exposure control + mechanical shutter for manual speed selection. Horizontal run focal plane shutter. Electronic shutter speeds: Unlimited variation between 8 and 1/1000 sec. Mechanical shutter: B, 1/60 (X), 1/125, 1/250, 1/500, 1/1000 sec.
Viewfinder
Eye-level pentaprism finder with Fresnel lens + microprism. 0.89x magnification with 50mm lens. -1.0 dioptry. Shutter speed calibration, TTL meter needle and battery "check" mark in the viewfinder screen.
Focusing
Turn the distance scale ring until the subject image in the viewfinder comes into sharp focus. Minimum focusing distance: 0.45m (1.5 feet).
Reflex Mirror
Instant return type.
Film Advance
Ratchet type rapid wind lever. 10° pre-advance and 160° advance angle.
Reproduced for Historical and Reference Purposes by Paul M. Provencher
http://whitemetal.com Not For Resale.