Vivitar 283 shop electronic flash

Product Name: Vivitar 283 shop electronic flash
Features The most popular electronic flash unit in the history of 35mm photography. Durable, powerful, simple and inexpensive. Guide number 120 (ISO 100 in feet). Powerful automatic exposure range from 3 to 43 ft. 4 auto f-stop settings for controlling depth-of-field and maximum auto flash range. Vertical bounce flash for softer, professional quality lighting. Removable flash sensor can be camera mounted with the optional SC-1 (straight) or SC-2 (coiled) sensor extension cords for remote sensor placement. Optional VP-1 variable power control for convenient fill flash and rapid sequence photography. Auto Thyristor circuitry shop for faster recycle time and greater number of flashes. Lighted, easy-to-use calculator dial and sufficient light indicator.