SIGMA 500mm f/4 DG OS HSM Sports Lens for F - Manual (Page 10)

[Other Features]
Brass made bayonet mount
Flare and ghosting reduction
Incorporating Rounded Diaphragm
[Specification] All figures calculated for SIGMA.
Lens Construction: 16 elements in 11 groups
Minimum aperture: F32
Filter size: ø46mm (Rear)
Angle of view (35mm): 5°
Minimum focusing distance: 350cm/137.8in.
Dimensions (Diameter x Length): ø144.8mm x 380.3mm/5.7in. x 15in.
Number of diaphragm blades: 9 (Rounded diaphragm)
Maximum magnification ratio: 1:6.5
Weight: 3,310g/116.7oz.
[Contact]
For the further information, please find the nearest authorized Sigma Service Station from the link
below.
http://www.sigma-photo.co.jp/english/network/
[Information]
SIGMA GLOBAL VISION: http://www.sigma-global.com