Product Overview
- EF Mount Lens/Full-frame Format
 - Aperture Range: f/2 to f/22
 - One Double-Sided Aspherical Element
 - Ultra-High Refractive Index Glass
 - Manual Focus Design
 - Minimum Focus Distance: 9.8"
 - Metal Lens Barrel, Scalloped Focus Ring
 - AI-S Support/CPU for Aperture Control
 - Nine-Blade Diaphragm
 
The Voigtlander 40mm F/2 is a manual focus lens, and has a built-in CPU to work with the meters and electronics all Canon manual focus, auto focus, and digital cameras.
Specifications:
Focal Length:      40mm
Aperture Range:               Maximum: f/2 ; Minimum: f/22
Camera Mount Type:      Canon EF
Format Compatibility:     EF Full-frame/35mm Film
Angle of View:   57°
Minimum Focus Distance:            9.84" (25 cm)
Magnification:   0.25x
Maximum Reproduction Ratio:   1:4
Elements/Groups:            6 / 5
Diaphragm Blades:          Not specified by manufacturer
Autofocus:          No
Filter Thread:     Front: 52 mm
Dimensions (DxL):            Approx. 2.61 x 1.48" (66.3 x 37.5 mm)
Weight: 6.337 oz (179.6 g)
In good condition, with original hood, caps and close-up filter.