Pentax AF260SA

Pentax AF260SA is a clip-on type automatic thyristor electronic flash, specially designed for use with Pentax programmed AE cameras. It has a guide number of 26 (150 ISO, m) and a flash duration of 1/1000 sec. (Auto, full output, 1/2 peak) and 1/15000 sec. (Auto, shortest, 1/2 peak). The number of flashes and recycling time are 11 sec. and 5 sec. respectively, based on Pentax testing conditions. The flash coverage angle is 55° horizontally and 38° vertically, covering the picture area of a 35 mm lens. The auto flash range is 1.0 — 6.5 m (3.3 — 21 ft.