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1.25in. Orion Mars Observation Telescope Filter
- High-performance observational filter markedly improves views of Mars.
- Fully-coated Mars filter increases contrast to bring out subtle detail.
- You'll see the polar ice cap, subtle mare shadings, and cloud activity.
- Dramatically improves views of Mars even in smaller astronomical telescopes.
- Designed to fit 1.25" eyepieces.
The custom-designed Orion Mars Observation filter enhances contrast of virtually all surface features. Dielectric coatings transmit violet/blue (<505nm) and orange/red (>615nm) wavelengths where detail is rich, while blocking overbearing yellow/green (515nm-615nm) wavelengths. Polar icecaps appear more sharply defined, and differences in landscape shading are nicely resolved. Polar hazes and cloud cover become visible. The filter's high transmission makes it effective even in small telescopes. This custom-engineered Orion telescope filter comes with a protective plastic case.
