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Tele Vue offers the Bandmate Mars Type A and Type B filters, which are 2 contrast-enhancing filters specifically designed for viewing Mars but also quite useful for Jupiter. Tele Vue offers a pair of filters because standard colored filters used to bring out detail on Mars' surface have the drawback of an artificial color imposed upon all of Mars' planetary features. The Bandmate Mars Type A and Type B will not do this.
The Bandmate Mars Type A is a dual band filter with differing dielectric coatings on each side of the substrate, and as a dual-band filter it permits green and red to pass through while rejecting all other visible color. The Type A enhances detail on the Martian surface, without disturbing the natural color of the polar caps or other parts of the surface. The Type A provides an extremely natural view, and is highly recommended for 'public' viewing.
Because Mars is so very small, you should choose a very short (<5mm) focal length eyepiece to observe it and reserve extended study of the Martian landscape for the moonless nights of best seeing conditions.
All Tele Vue filters are individually inspected for cosmetic and optical properties, as well as being serialized.
Enhances natural coloring of Mars
Also enhances Jupiter
Optical grade BK7 glass
Ion beam coating deposition yields hard, stable coatings resistant to temperature/humidity changes