The enhanced basic model with separately engageable red-free, blue and polarization filters for each aperture.Specs:
- Diopter wheel with 29 corrective lenses Plus 1-10, 12, 15, 20, 40 Minus 1-10, 15, 20, 25, 30, 35
- Easy-to-operate aperture hand-wheel with semi-circle, small/medium/large circle, fixation star, and slit
- Includes filter wheel engageable for all apertures with symbol display, red-free filter, blue filter and polarization filter
- Optimized high-performance optics with aspherical condenser lens
- Parallel beam path
- Dust-proof |