Specifications
Focal length: 136 mm
Maximum aperture: 3.4
Minimum aperture: 22
Lens Construction: 5 elements in 4 groups
Diagonal Angle of View: 18o
Entrance pupil: 68 mm (related to the first lens surface in light direction)
Closest Focusing Distance: 1.5m/4.9 ft
Smallest object field: 220 mm x 330 mm
Highest reproduction ratio: 1:9
Filter (type): internal thread for screw-in type filters E 49
Dimensions (D x L): 58.5 mm x 104.7 mm ( 2.3 in x 4.1 in)
Weight: 450 g (15.9 oz)
Maximum aperture: 3.4
Minimum aperture: 22
Lens Construction: 5 elements in 4 groups
Diagonal Angle of View: 18o
Entrance pupil: 68 mm (related to the first lens surface in light direction)
Closest Focusing Distance: 1.5m/4.9 ft
Smallest object field: 220 mm x 330 mm
Highest reproduction ratio: 1:9
Filter (type): internal thread for screw-in type filters E 49
Dimensions (D x L): 58.5 mm x 104.7 mm ( 2.3 in x 4.1 in)
Weight: 450 g (15.9 oz)