My flash frying my film SLR?

Discussion in 'Photography Equipment & Products' started by burtharrris, May 14, 2007.

  1. burtharrris

    burtharrris TPF Noob!

    Joined:
    Jun 24, 2006
    Messages:
    183
    Likes Received:
    0
    Location:
    North Jersey
    I've been reading all over the internet that Canon EOS DSLRs can't be used with a flash voltage over 6V. I have a Vivitar 285HV, and a Canon Elan 7. I used a voltmeter, it reads my flash lighting at 8.3V. My question is, do film SLRs have the same limitations as DSLRs? Can I use the 285 on-camera without frying the internals of my film SLR? Thanks
     
  2. Don Simon

    Don Simon TPF Noob!

    Joined:
    Jul 4, 2005
    Messages:
    2,484
    Likes Received:
    0
    I believe the flash circuitry on most AF dSLRs (at least 'entry-level' ones) is not all that different from that on their AF film predecessors. I think a film EOS (or Elan) is likely to have the same problem as a digital EOS. This is probably the best site to check for 'safe' voltages, and they seem to think the problem applies to 35mm EOS cameras. Of course I don't know for sure, but you may want to use a voltage reducing 'Safe Sync', or just use flashes designed for the EOS system, to be safe.
     
  3. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

    Joined:
    Dec 16, 2003
    Messages:
    33,822
    Likes Received:
    1,811
    Location:
    Edmonton
    Can others edit my Photos:
    Photos NOT OK to edit
    Many of the EOS film cameras were rated at 6 volts, so that's why that botzilla list is based on 6 volts. I think some of them were rated higher but I'm not sure.

    The early DSLR cameras weren't rated very high (like the 10D, for example). The 20D, however, is rated at 250 volts...as are all the newer ones (I think).
     
  4. jwkwd

    jwkwd TPF Noob!

    Joined:
    Oct 26, 2005
    Messages:
    630
    Likes Received:
    0
    Location:
    Western N.Y.
    Supposedly a Wein hot shoe will prevent any of that. I guess that it would be the same thing that ZaphodB mentioned. In a short article I read somewhere, they mention that a Vivitar 283 has a flash trigger of 20 volts!
     

Share This Page