MC4K 175X-N

f/# (working f/#)

f/6.8 (f/17)

CTF at 50 line-pair/mm

> 35%

Distortion Typical (Maximum)

<0.01% (0.03%)

NEAR FOCUS: 1.793x
NOMINAL FOCUS: 1.750x        
FAR FOCUS: 1.705x

NEAR FOCUS : 82.70 mm
NOMINAL FOCUS: 83.80 mm
FAR FOCUS: 85.00 mm

NEAR FOCUS : 0.21 mm
NOMINAL FOCUS: 0.22 mm
FAR FOCUS: 0.23 mm

NEAR FOCUS : 11.43 mm
NOMINAL FOCUS: 11.71 mm
FAR FOCUS: 12.02 mm

NEAR FOCUS : 16.01 mm
NOMINAL FOCUS: 16.40 mm
FAR FOCUS: 16.83 mm

NEAR FOCUS : 7.92 x 5.80 mm
NOMINAL FOCUS: 8.11 x 5.94 mm
FAR FOCUS: 8.33 x 6.10 mm

NEAR FOCUS : 10.53 x 5.93 mm
NOMINAL FOCUS: 10.79 x 6.08 mm
FAR FOCUS: 11.07 x 6.24 mm

NEAR FOCUS : 12.47 x 9.35 mm
NOMINAL FOCUS: 12.77 x 9.58 mm
FAR FOCUS: 13.11 x 9.84 mm