MC4K 025X-F

f/# (working f/#)

f/6.4 (f/8)

CTF at 50 line-pair/mm

> 60%

Distortion Typical (Maximum)

<0.08% (0.10%)

NEAR FOCUS: 0.295x
NOMINAL FOCUS: 0.250x        
FAR FOCUS: 0.205x

NEAR FOCUS : 298.50 mm
NOMINAL FOCUS: 346.10 mm
FAR FOCUS: 414.30 mm

NEAR FOCUS : 7.72 mm
NOMINAL FOCUS: 10.75 mm
FAR FOCUS: 15.99 mm

NEAR FOCUS : 69.49 mm
NOMINAL FOCUS: 82.00 mm
FAR FOCUS: 100.00 mm

NEAR FOCUS : 97.29 mm
NOMINAL FOCUS: 114.80 mm
FAR FOCUS: 140.00 mm

NEAR FOCUS : 48.14 x 35.25 mm
NOMINAL FOCUS: 56.80 x 41.60 mm
FAR FOCUS: 69.27 x 50.73 mm

NEAR FOCUS : 64.00 x 36.07 mm
NOMINAL FOCUS: 75.52 x 42.56 mm
FAR FOCUS: 92.10 x 51.90 mm

NEAR FOCUS : 75.78 x 56.85 mm
NOMINAL FOCUS: 89.43 x 67.08 mm
FAR FOCUS: 109.05 x 81.80 mm