1. Onjey Zlochkowskiy

    NEC part identifiction from film camera

    Greetings, in trouble with search of datasheet on NEC C551E621C. If it correct of course, originaly installed in film camera from 1975, Yashica electro 35 GX, and becuase of it malfunction, logic in lolw light condition dont work correct. If possible, I would really like to understand what this...
  2. TONSING

    RCA adapter wires confused. Please help

    Given that the 2 photos are the RCA adapter with 4 wires each, and each ends has a yellow connector with 2 wires each. There are only 2 wires at the yellow connectors of both the RCA cables. Obviously, inner ring is video signal and outer ring is ground. Whereas, in the 1st photo, there are 4...
  3. D

    How to Improve Low-Light Efficiency in USB connection Camera Imaging

    Hi guys , Discuss how camera awareness and pixel size affect low-light efficiency in USB connection camera image and give some related examples.
  4. Y

    Building an ultrasonic underwater flash (strobe) trigger

    I have used underwater camera set ups with both fiber optic cables and wires to trigger the external flashes (strobes), but I'd like to build a wireless rig. I realize that radio is probably out, but what about using an ultrasonic system? I have not found anyone who has done this and really...
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