BUHL 5-ELEMENTS FLAT FIELD PROJECTION NON-SYMMETRICAL LENS.
MEASURED & CALCULATED by SELLER, SOLD AS DESCRIBED. AS CALCULATED.
Mounting ring for M65 adapter is 54mm as pictured / mounting ring not included. /
WORK for FULL FRAME, HALF-FTAME, Super35, & MEDIUM FORMAT /REVERSED SETTING/.
VG+
BUHL Optical USA/ factory unmarked/ 48mm
F1.++ FAST 5-element 48mm GEOMETRICAL CALCULATED//70mm ANGLE COVERAGE.
METTERED THROUGH THE LENS ACTUAL F#n COULD BE DIFFERENT from GEOMETRICAL VALUE CALCULATION.
REVERSED SETTING WILL MAKE IT 80mm F1.7(geometrical) MEDIUM FORMAT LENS.
SAME MOUNTING RING 54mm RING, SETTING INWARDS reversed.
PROJECTION FLAT FIELD /soft, no distortions/ LENS.
CLEAN, CLEAR GLASS HAS NO SCRATCHES, NO FUNGUS, NO DUST.
Perfect for making CLASSIC SOFT RETRO portraiture, particularly B&W.
REAR BARREL FITTING DIAMETER D54mm. REAR ELEMENT D39mm, FRONT D48mm.
GEOMETRICALLY CALCULATED 48mm:48mm = f1.
60mm LONG.
BY VIEWING COVERAGE MOUNTED ON SONY A7R4 IT APPEARS LIKE NEAR 70mm f1.7.
test PHOTO with full frame SONY a7r4.
NON-PROCESSED & TUNED in WINDOWS PHOTO VIEWER JPEG PICTURES PLACED.
I have a lot of BUHL Optical USA /factory non-marked/ lenses; they're just amazing!
/Look at my listing/ -
Sharp F2 FAST 180mm UHD PPROJECTOR LARGE MEDIUM+4X5"5x7"LENS Camera TEST PERFECT