Auto-focus system
F3.5 maximum aperture
Close-up Photography
Excellent optical performance
Reduction of flare and ghosting
An ideal lens for scientific applications
Gelatin Filter Holder
Lens Construction: 11 Elements in 6 Groups
Angle of View: 180 degrees
Number of Diaphragm Blades: 6 Blades
Minimum Aperture: F22
Minimum Focusing Distance: 13.5cm/5.3 in.
Maximum Magnification: 1:4.6
Filter Size: Rear (Gelatin filter)
Dimensions: Diameter 73.5mm x Length 68.6mm / 2.9" x 2.7"
Weight: 400g/14.0 oz