$397.95
- Model No. 6540
- Finish: black lustre
- Magnification: 4-12x
- Objective Diameter: 40mm
- Exit Pupil: 10-3.3mm
- Eye Relief: 3.6"-3.4"
- Field of view at 100 yards: 25.6'-8.5'
- Tube Diameter: 1 inch
- Objective O.D.: 53.1mm/2.06"
- Eyepiece O.D.: 38mm
- Length: 13.7 inches
- Weight: 16.9