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Body: Trinocular, rotatable 360°, made of cast aluminum alloy
Zoom ratio: 0.67–4.5
Zoom range: 6.7x – 45x
Zoom knob markings: 0.67, 0.7, 0.8, 1, 1.5, 2, 3, 4, 4.5
Zoom control: Dual, graduated
Magnification: 6.7x – 45x
Field of view: 32.8 mm – 4.9 mm
Working distance: 100 mm
Eyetube inclination: 45°
Eyepieces: 10x
Interpupillary distance: 54 mm – 76 mm
Dioptric adjustment: Dual
Extended magnification range: 2.1x – 270x (with auxiliary lenses and eyepieces)
Mounting: Compatible with 76 mm diameter focus holders
Illumination: LED Ring light with adapter to mount on EM-51L
