Marketed December 2014
#4010000603
$2399.00
Lens Firmware Ver. 1.0.7
Lens Construction 21 elements in 16 groups
No. of Diaphragm Blades 9 (circular aperture)
Minimum Aperture 32-40（1/3-stop）、32-38（1/2-stop)
Closest Focusing Distance 3.2 ft. / 0.98m
Maximum Magnification 0.31x（at 400 mm）
Image Stabilization 4 stops
Filter Diameter 77mm
Maximum Diameter x Length 3.7 x 7.6in / 94 x 193mm
Weight 3.46 lbs./1570g (without tripod mount)
3.62 lbs./1640g (with tripod mount)
RRS Lens Foot LCF-54
Purchased new from Adorama 7/14/2016