Sigma 55-200mm F4-5.6 DC OS HSM Lens - Pentax Mount
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![Sigma 55-200mm F4-5.6 DC OS HSM Lens - Pentax Mount](https://d17bck4wpaw2mg.cloudfront.net/att/a/2/c/3/a2c3z0/sbp2.png)
Lens Construction: 14 Elements in 10 Groups
Angle of View: 27.9-7.1
Number of Diaphragm Blades: 8
Mininum Aperture: f22
Minimum Focusing Distance: 110 cm / 43.3 in
Filter Size (mm): 55
Maximum Magnifications: 1:4.5
Dimensions (Diameter x Length): 74.4x102.2 mm/2.9x4.0 in
Weight: 420g / 14.8oz.
Angle of View: 27.9-7.1
Number of Diaphragm Blades: 8
Mininum Aperture: f22
Minimum Focusing Distance: 110 cm / 43.3 in
Filter Size (mm): 55
Maximum Magnifications: 1:4.5
Dimensions (Diameter x Length): 74.4x102.2 mm/2.9x4.0 in
Weight: 420g / 14.8oz.