Specifications
Focal length: 90.9 mm
Maximum aperture: 2
Minimum aperture: 16
Lens Construction: 5 elements in 5 groups
Diagonal Angle of View: 27o
Entrance pupil: 58.6 mm (related to the first lens surface in light direction)
Closest Focusing Distance: 1 m
Smallest object field: 220 mm x 330 mm
Highest reproduction ratio: 1:9
Filter (type): internal thread for screw-in type filters E 55
Dimensions (D x L): 64mm x 78 mm ( 2.5" x 3.1")
Weight: 500 g (17.6 oz)
Maximum aperture: 2
Minimum aperture: 16
Lens Construction: 5 elements in 5 groups
Diagonal Angle of View: 27o
Entrance pupil: 58.6 mm (related to the first lens surface in light direction)
Closest Focusing Distance: 1 m
Smallest object field: 220 mm x 330 mm
Highest reproduction ratio: 1:9
Filter (type): internal thread for screw-in type filters E 55
Dimensions (D x L): 64mm x 78 mm ( 2.5" x 3.1")
Weight: 500 g (17.6 oz)