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[APML] Commercial Source of Hypered 4x5 Tech Pan?



Hello!  I am interested in trying some black and white 4x5 astrophotography. 
  I've found an Aero Ektar f2.5 175mm lens that I understand is optimized 
for red/IR, so I won't be using it for color.

Lumicon and Taurus-Tech are only offering Tech Pan hypered in 35mm.  Does 
anyone know of any sources for hypered Tech Pan sheet film?  The other 
option would be T-Max, in both 100 and 400 ASA, but that has lower red 
sensitivity.

Thank you and best regards.

Michael Heald

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