Optical System | Greenough optical system |
Total Magnification | 3.35-300x (depending on eyepiece and auxiliary objective used) |
Vertical Tube | Built-in C-mount 0.55x magnification lens (F.N. 11), compatible with 2/3 in. or smaller CCD |
Eyepiece Tube | Fixed type |
Eyepiece Inclination | 45° |
Interpupillary Distance Adjustment | 52-75 mm |
Eyepieces (with Diopter Adjustment) | C-W 10xB (F.N. 22), C-W 15x (F.N. 16), C-W 20x (F.N. 12.5), C-W 30x (F.N. 7) |
Zoom Range | 0.67-5x |
Zoom Ratio | 7.5:1 |
Auxiliary Objectives | G-AL 0.5x (W.D. 211 mm), G-AL 0.7x (W.D. 150 mm), G-AL 1.5x (W.D. 61 mm), G-AL 2x (W.D. 43.5 mm) |
Working Distance | 115 mm |
Weight | 1.55 kg (SMZ745), 1.8 kg (SMZ745T) |