Vivitar 3700 Dedicated Auto Thyristor Electronic Flash in Edmonton, Alberta for sale

Photo & Cameras
$25

Long time collector disposing of surplus and unwanted items from collection. For offer is a vintage Vivitar 3700 Dedicated Auto Thyristor Electronic Flash with a DM/P-TTL module.
The dedicated module makes this flash usable on Pentax cameras only. P-TTL is Pentax's Preflash-based Through-The-Lens flash metering system. It's used by all current and recent Pentax digital SLR cameras to automatically obtain correct exposure for both camera-mounted flashes and wireless slave units.
P-TTL works by sending a small flash pulse at much less than full power. Light bounced back to the camera from this preflash is used to compute the amount of power required for the real flash, which follows nearly instantaneously. Old-style TTL worked by measuring light reflected off of the film, or from the sensor in early Pentax models.
This exact flash model is currently listed online for $25 USD + $44.95 USD shipping
Lot # 20190017 $25.00 CAD.
I am selling many photographic items, so please refer to my other ads. Local pickup may be made in Edmonton, Alberta, or I will ship worldwide with buyer paying all costs in advance.
Please communicate via Facebook message or email me at vintage.camera.sales.edmonton@gmail.com and refer to the lot number for this item.


Category:  Photo & Cameras  |  Address:  Edmonton Alberta

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