- Fully apochromatic, distortion-free Greenough optical/zoom system for best possible resolution, contrast, imaging, color fidelity and 300 Lp/mm resolution.
- Apochromatic 8:1 zoom with 10× to 80× zoom range.
- The largest numerical aperture, the highest resolution, peerless 70-micron depth of field and 10% larger object fields with the 10./23 wide-field eyepieces.
- Variants: wide-field eyepieces 16./16, 20./12 and wide-field eyepieces for spectacle wearers 10./23, 16./15, 25./9.5, 40./6 with 22mm exit pupil
- Soft, detachable eyecups to prevent eye infections