Pentax Zoom 90
image by John Warwick (Image rights)
It uses a 38-90mm zoom lens made form 8 element in 7 groups. It uses a infrared auto focus system with a focus range of 1m to infinity. In macro mode from 0.6m to 1m. The shutter speed range is from 1/5 to 1/250. The self-timer has a delay of 10 seconds. In dual self timer mode a another photo is captured 5 seconds after the first. The mode button can be used for switching between auto, flash on, flash off, exposure comp, bulb, and bulb sync (bulb and flash). While the drive button can change from single frame, consecutive frame, self-timer, dual self-timer, multi exposure and interval mode. Interval mode can capture every 10, 20, 30, 40, 50, 60 seconds and every 2, 3, 4, 5, 10, 20, 30, 40, 50 and 60 minutes.
Film is automatically loaded, advanced and rewound. Mid-roll rewind can be done. It is compatible with DX encoded films from 50 to 1600 ISO. Non-coded films are set at 100 ISO. It is powered by two CR123A battery.