Tag Archives: testing

Flash as a substitute shutter


MY CROWN Graphic 5×4 camera arrived with three shutters – 135mm, 150mm and 180mm – all of which have questionable speed ratings. It’s not that old-time shutters were desperately inaccurate, it’s just that somewhere between 30 and 80 years of … Continue reading

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Mamiya Sekor TLR lens speeds


Tested, reproducible shutter speeds from my three Sekor TLR lenses: 65mm (black version, blue dot) 1s = 1s; 1/2s = 1/2s; 1/4s = 1/4s; 1/8s = 1/8s; 1/15s = 1/16s; 1/30s = 1/29s; 1/60s = 1/58s; 1/125s = 1/118s; 1/250s … Continue reading

Posted in Film cameras, Mamiya Sekor, Mamiya TLR, TLR cameras | Tagged , , , , , , , , , , , , | 5 Comments

Shutter-speed shocker


I BOUGHT a shutter speed tester the other day, It’s nothing fancy, just a black box with a light sensor on one side and a cord that plugs into a computer’s audio jack. I got it because I use a … Continue reading

Posted in Film cameras, Folding cameras, Lenses, Mamiya Sekor, Photography, TLR cameras | Tagged , , , , , , , , , , | Leave a comment