Specifications
Type : Manual focus, low dispersion, high refractive index, multi-coated optical glass doublet
Focal Length : 50mm
Filter Size : 37mm
f/Stop Range : f/2-f/22
Minimum Focus Distance : 18" for Double Glass Optic used with Composer Pro
Tilt : Composer Pro : 0-17.5o
Length : Double Glass Optic 3.5 cm (1.37")
Maximum Diameter : Double Glass Optic 4.44 cm (1.75")
Weight : Not specified by manufacturer
Focal Length : 50mm
Filter Size : 37mm
f/Stop Range : f/2-f/22
Minimum Focus Distance : 18" for Double Glass Optic used with Composer Pro
Tilt : Composer Pro : 0-17.5o
Length : Double Glass Optic 3.5 cm (1.37")
Maximum Diameter : Double Glass Optic 4.44 cm (1.75")
Weight : Not specified by manufacturer