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40,094 topics in this forum

  1. Pentax 67 and astrophotography, multiple exposures

    By philip_lau,
    • 2 replies
    • 1k views

  3. Age of hasselblad lenses

    By thomas_locher,
    • 1 reply
    • 693 views

  4. 150 Aux Finder

    By chuck_weatherall,
    • 1 reply
    • 707 views

  5. Pentax 67 & 645 long lenses

    By jeffgnass,
    • 6 replies
    • 670 views

  6. Do I really have to be 'on-line' to post?

    By lee_davis,
    • 0 replies
    • 624 views

  7. Cutting down 4 x 5 sheet film for use in MF cameras

    By marv_soloff,
    • 7 replies
    • 949 views

  8. Weight of MF equipment in the field

    By jim_sidinger,
    • 6 replies
    • 969 views

  9. XP2 Learning experience

    By john_gaasland,
    • 4 replies
    • 554 views

  10. Why do I get email bounces when posting?

    By lee_davis,
    • 0 replies
    • 592 views

  11. focus difficulty-FujiGW690-3

    By fritz_cole,
    • 8 replies
    • 966 views

  12. Pentax 67 45mm

    By tom_chen1,
    • 7 replies
    • 771 views

  13. Where is serial number on 330?

    By cap,
    • 1 reply
    • 759 views

  14. Mamiya 330 and cropping accuracy

    By jeff_montgomery,
    • 4 replies
    • 752 views

  15. compact MF rangefinders

    By chris_patti,
    • 12 replies
    • 1.1k views

  16. Mamiya 7 and Graduate Filters

    By lightcraftsman,
    • 5 replies
    • 830 views

  17. info on 6 x 7 's . . .

    By chrematist_m,
    • 13 replies
    • 809 views

  18. Lens panels for Century Graphic

    By dave_pearman,
    • 2 replies
    • 788 views

  19. Hassy lens problem

    By w._berry,
    • 2 replies
    • 497 views

  20. Follow up re: Mamiya TLR Black vs. Chrome Lenses

    By morthcam,
    • 6 replies
    • 902 views


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    • chuck_foreman1
      A Baffling Problem

      By chuck_foreman1 · Posted

      Hi Gary,   Thanks for the link to your earlier post .. I'd forgotten how you resolved. "Flocking" problems like this are irritating 🙂  From Gary Green: My solution was to insert a baffle into the light chamber to attempt to prevent or minimize the light striking this flat portion of the light chamber perimeter at a shallow angle. My choice of baffle was a thin layer of black felt material (non shedding) that I adhered to the light chamber walls just to the inside edge of the flat perimeter close enough to cast a shadow on the flat perimeter but not close enough to the film plane to fuzz up the edges. So far so good; my early results have been promising. My first roll of film since installing the baffle had no frames with the “light leak” issue which is significant because I don’t believe any previous rolls shot through this camera didn’t have at least one frame affected. With this issue hopefully fixed, the honeymoon is back on. I apparently wasn'T as chic in keeping it out of the film plane. I will of course not have to test my latest attempt... but not close enough to the film plane to fuzz up the edges." Seems I "flocked" that up 🙂 If I get back to my Argus 40, I will do this too. My attempt to replace the hinged back..was not very fruitful. Some "self inflicted" problems...you have to live with! Thanks for the reply!!      
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