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1.25" Color filter set for Questar eyepieces
$345.00This Questar filter set for planetary observing consists of ten 1.25" stackable color filters that are threaded to fit the barrels of Questar Brandon eyepieces only.
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Explore Scientific 2" 0.9 Neutral Density Filter 13% Transmission
$59.99- 2" Diameter Filter
- Works best in 6-8 inch telescopes
- Get more out of your lunar observing
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Explore Scientific 1.25" 0.9 Neutral Density Filter 13% Transmission
$49.99- 1.25" Diameter Filter
- Works best in 6-8 inch telescopes
- Get more out of your lunar observing
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Astro-Tech #58 Dark green 1.25" color filter
$11.95This Astro-Tech #58 dark green 1.25" eyepiece filter is very helpful when observing the Moon and Mars, plus enhances a variety of features on all the other planets from Venus to Saturn If you have a scope 8" in aperture and larger . . . -
Astro-Tech #56 Light green 1.25" color filter
$11.95If you have a scope 6" in aperture and under, this Astro-Tech #56 light green 1.25" eyepiece filter is a useful tool for observing different features on every planet from Venus to Saturn . . . -
Astro-Tech #47 Violet 1.25" color filter
$11.95If you have a big scope (8" in aperture and larger), this Astro-Tech #47 violet 1.25" eyepiece filter can help detect high clouds and haze over the Martian polar caps and enhance structure in Saturn's rings . . . -
Astro-Tech #29 Dark red 1.25" color filter
$11.95If you have a big scope (10" in aperture and larger), this #29 dark red Astro-Tech 1.25" eyepiece filter can be useful when observing Mercury and Venus during the day and at twilight and when observing Mars, Jupiter, and Saturn . . . -
Astro-Tech #23A Light red 1.25" color filter
$11.95This #23A light red Astro-Tech 1.25" eyepiece filter is useful when observing Mercury and Venus during the day and at twilight and when observing Mars, Jupiter, and Saturn with telescopes 4" in aperture and larger . . . -
Astro-Tech #21 Orange 1.25" color filter
$11.95This #21 orange Astro-Tech 1.25" eyepiece filter is useful in improving contrast when observing the Moon and all planets out to Saturn in telescopes 6" to 8" in aperture and larger, particularly if combined with a polarizing or neutral density filter . . . -
Astro-Tech #12 Medium yellow 1.25" color filter
$11.95This #12 medium yellow Astro-Tech 1.25" eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 4" to 8" in aperture, particularly if combined with a polarizing or neutral density filter when used with the larger apertures . . .
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