Optics |
Optical Formula |
17 elements in 12 groups |
Aperture Range |
f/4 ~ f/22 |
Number of Aperture Blades |
7 |
Minimum Focusing Distance |
0.28 m |
Maximum Magnification |
0.31 X |
Special Features |
aspherical element(s), internal focusing, fixed rear-element extension (FREE) |
Mechanics |
Filter Diameter |
67 mm |
Maximum Diameter |
75 mm |
Length |
93.5 mm |
Weight |
485 g |
Special Features |
super-sonic focusing, auto-focus only with SDM bodies |
Accessories |
Cap |
plastic clip-on cap, 67 mm |
Fitting Hood(s) |
bayonet hood: PH-RBM67 |
Fitting Case(s) |
soft case: S90-140 |