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Browse Products from $10 - $50 / Astronomy Technologies Filters

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[1] 2  Next 10 matches Skip ahead to the last 10 matches
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Astro-Tech #8 light yellow 1.25' color filter
 
Astronomy Technologies - Astro-Tech #8 light yellow 1.25" color filter 
Our Product #:  ATCF08

In Stock: Usually ships within one business day.
This #8 light yellow Astro-Tech 1.25” eyepiece filter is helpful in improving lunar and Martian contrast in telescopes under 5” in aperture . . .

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$11.95



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Astro-Tech #11 yellow-green 1.25' color filter
 
Astronomy Technologies - Astro-Tech #11 yellow-green 1.25" color filter 
Our Product #:  ATCF11

In Stock: Usually ships within one business day.
This #11 yellow-green Astro-Tech 1.25” eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 3.5” to 5” in aperture . . .

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$11.95



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Astro-Tech #12 medium yellow 1.25' color filter
 
Astronomy Technologies - Astro-Tech #12 medium yellow 1.25" color filter 
Our Product #:  ATCF12

In Stock: Usually ships within one business day.
This #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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$11.95



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Astro-Tech #15 deep yellow 1.25' color filter
 
Astronomy Technologies - Astro-Tech #15 deep yellow 1.25" color filter 
Our Product #:  ATCF15

In Stock: Usually ships within one business day.
This #15 deep yellow Astro-Tech 1.25” eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 8” and larger in aperture, particularly if combined with a polarizing or neutral density filter . . .

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$11.95



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Astro-Tech #21 orange 1.25' color filter
 
Astronomy Technologies - Astro-Tech #21 orange 1.25" color filter 
Our Product #:  ATCF21

In Stock: Usually ships within one business day.
This #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 . . .

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$11.95



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Astro-Tech #23A light red 1.25' color filter
 
Astronomy Technologies - Astro-Tech #23A light red 1.25" color filter 
Our Product #:  ATCF23

In Stock: Usually ships within one business day.
This #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 . . .

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$11.95



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Astro-Tech #25A medium red 1.25' color filter
 
Astronomy Technologies - Astro-Tech #25A medium red 1.25" color filter 
Our Product #:  ATCF25

In Stock: Usually ships within one business day.
This #25A medium 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 8” in aperture and larger . . .

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$11.95



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Astro-Tech #29 dark red 1.25' color filter
 
Astronomy Technologies - Astro-Tech #29 dark red 1.25" color filter 
Our Product #:  ATCF29

In Stock: Usually ships within one business day.
If 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 . . .

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$11.95



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Astro-Tech #38A dark blue 1.25' color filter
 
Astronomy Technologies - Astro-Tech #38A dark blue 1.25" color filter 
Our Product #:  ATCF38

In Stock: Usually ships within one business day.
If you have a big scope (10” in aperture and larger), this #38A dark blue Astro-Tech 1.25” eyepiece filter can be useful when observing Jupiter’s belts and features on Mars during periods of violet clearing . . .

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$11.95



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Astro-Tech #47 violet 1.25' color filter
 
Astronomy Technologies - Astro-Tech #47 violet 1.25" color filter 
Our Product #:  ATCF47

In Stock: Usually ships within one business day.
If 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 . . .

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$11.95



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Astronomics / Christophers, Ltd.
680 S.W. 24th Ave.
Norman, OK, 73069


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