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Focal Length

70-200mm (in 35mm format equivalent) 107-307mm

Maximum Aperture F2.8
Minimum Aperture F22
Lens Construction

19 elements in 16 groups

Angle of View

23-8.1° (when attached to PENTAX digital SLR cameras) 34.5-12.5° (when attached to PENTAX 35mm SLR cameras)

Mount KAF3
Minimum Focusing Distance 1.2m
Maximum Magnification 0.13x
Filter Diameter 77mm
Diaphragm Control Fully automatic
Number of Diaphragm Blades 9
Maximum Diameter x Length

Approx.91.5mm x 203mm

Weight

Approx.1755g (with hood Approx.1835g) (with hood and tripod mount Approx.2030g)