Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Filters

12 Item(s)

per page

Set Descending Direction
  1. Orion 1.25" Luminance/IR Cutoff Astrophotography Filter

    Orion - 1.25" Luminance/IR Cutoff Astrophotography Filter*

    ... Learn More
    Model#: 05564
    Sale lasts until Feb 12, 2015!

    Regular Price: $49.99

    Special Price: $39.49

  2. Orion 1.25" Sulfur-II Extra-Narrowband Filter

    Orion - 1.25" Sulfur-II Extra-Narrowband Filter*

    Now you can capture dramatic Hubble-like CCD images of emission nebulas from the heart of the city or under a full Moon.

    ...
    Learn More
    Model#: 05579
    Sale lasts until Feb 12, 2015!

    Regular Price: $159.99

    Special Price: $136.49

  3. Orion OIII Nebula Telescope Filter 2"

    Orion - OIII Nebula Telescope Filter 2"*

    You can't turn up the luminosity on nebulas, but you can crank up the contrast between them and the sky to reveal more of their wondrous detail.

    ...
    Learn More
    Model#: 05582
    Sale lasts until Feb 12, 2015!

    Regular Price: $159.99

    Special Price: $125.99

  4. Orion 1.25" Hydrogen-Beta Eyepiece Filter

    Orion - 1.25" Hydrogen-Beta Eyepiece Filter*

    A Hydrogen-Beta telescope filter may be the only way to see the faint and elusive Horsehead, California, and Cocoon Nebulas.

    ...
    Learn More
    Model#: 05583
    Sale lasts until Feb 12, 2015!

    Regular Price: $109.99

    Special Price: $86.49

  5. Orion 2" Hydrogen-Beta Nebula Eyepiece Filter

    Orion - 2" Hydrogen-Beta Nebula Eyepiece Filter*

    ... Learn More
    Model#: 05584
    Sale lasts until Feb 12, 2015!

    Regular Price: $129.99

    Special Price: $125.99

  6. Orion 1.25" H-Alpha Extra-Narrowband Filter

    Orion - 1.25" H-Alpha Extra-Narrowband Filter*

    Get Great Nebula Images Under City Lights or a Full Moon with the Orion Hydrogen-Alpha Extra Narrowband Astrophotography Filter!

    ...
    Learn More
    Model#: 05587
    Sale lasts until Feb 12, 2015!

    Regular Price: $179.99

    Special Price: $136.49

  7. Orion 1.25" Mars Observation Eyepiece Filter Set

    Orion - 1.25" Mars Observation Eyepiece Filter Set*

    You may not see little green guys with antennae, but you will resolve plenty of subtle features with this Orion Mars-optimized telescope filter set. It consists of three 1.25" glass filters in threaded aluminum cells:

    ...
    Learn More
    Model#: 05591
    Sale lasts until Feb 12, 2015!

    Regular Price: $79.99

    Special Price: $62.99

  8. Orion Deluxe Stargazer's 1.25" Eyepiece Filter Set

    Orion - Deluxe Stargazer's 1.25" Eyepiece Filter Set*

    ... Learn More
    Model#: 05590
    Sale lasts until Feb 12, 2015!

    Regular Price: $144.99

    Special Price: $114.49

  9. Orion 1.25" Orion Mars Observation Eyepiece Filter

    Orion - 1.25" Orion Mars Observation Eyepiece Filter*

    The custom-designed Orion Mars Observation filter enhances contrast of virtually all surface features.

    ...
    Learn More
    Model#: 05599
    Sale lasts until Feb 12, 2015!

    Regular Price: $49.99

    Special Price: $39.49

  10. Orion 1.25" 25% Transmission Moon Filter

    Orion - 1.25" 25% Transmission Moon Filter*

    Useful telescope eyepiece filter transmits 25% of incoming light. Ideal for viewing crescent Moon phases and for lunar viewing in smaller-aperture telescopes, for which less dimming is required.

    ...
    Learn More
    Model#: 05598
    Sale lasts until Feb 12, 2015!

    Regular Price: $19.99

    Special Price: $15.49

  11. Orion OIII Nebula Telescope Filter 1.25"

    Orion - OIII Nebula Telescope Filter 1.25"*

    1.25in ... Learn More
    Model#: 05581
    Sale lasts until Feb 12, 2015!

    Regular Price: $109.99

    Special Price: $86.49

  12. Orion Moon Filter 13% Transmission 1.25"

    Orion - Moon Filter 13% Transmission 1.25"*

    The Moon's disk, even at partial phases, is intensely bright with reflected sunlight. The glare washes out most of the craters, rilles, and other surface details from view

    ...
    Learn More
    Model#: 05662
    Sale lasts until Feb 12, 2015!

    Regular Price: $19.99

    Special Price: $15.99

12 Item(s)

per page

Set Descending Direction