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Pentax 6x7 Lens Tests & First Light Images

All images use Schuler UV/IR Block

H-alpha images use Schuler 9nm filter

55mm @ f5.6

414 x 554

H-alpha 55 Minutes

RGB 40:30:60

H-alpha 150 Minutes

105mm @ f5.6

216 x 290

RGB 2:2:3

H-alpha 200 Minutes

LRGB 20:12:8:16

165mm @ f5.6

138 x 185

RGB 2:2:3

LRGB 220:68:46:100

H-alpha 200 Minutes

PreciseParts Adapter on True Tech CFW

55mm @ f5.6 414 x 554
	H-alpha 55 Minutes	RGB 40:30:60	H-alpha 150 Minutes
105mm @ f5.6 216 x 290
	RGB 2:2:3	H-alpha 200 Minutes	LRGB 20:12:8:16
165mm @ f5.6 138 x 185
	RGB 2:2:3	LRGB 220:68:46:100	H-alpha 200 Minutes
PreciseParts Adapter on True Tech CFW