Pentax AF 140c ring flash
- Founder Member
The mounting assembly of the lens contacting the cameras mounting ring is the 0v or return path of the signal chain ( IIRC regardless of whether your tubes have 6 or 7 contacts - mine have 7 ) . Jessops tubes stupidly failed to observe this and adonised their tubes thus breaking the circuit. I had to get some emery cloth and make the circuit good.
Bodies: 2x K-5, Sony TX-5
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283
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