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  • $159.00 - $159.00
    $159.00
    $159.00 - $159.00
    $159.00

    Optolong SII 6.5nm 1.25" Filter

    Optolong
    In Stock

    The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. Optolong filters are here to hel...

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    $159.00 - $159.00
    $159.00
    $159.00 - $159.00
    $159.00
  • $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00

    Optolong SII 6.5nm 2" Filter

    Optolong
    In Stock

    The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. Optolong filters are here to hel...

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    $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00
  • Save $30.00 Save $0.00
    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00

    Pentax 10mm XW Extra Wide Angle Eyepiece

    Pentax
    More on the way

    This short focal length Pentax is a high power eyepiece usable for both terrestrial and astronomical observing. Terrestrially, it is superb for det...

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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00
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  • Save $30.00 Save $0.00
    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00

    Pentax 14mm XW Extra Wide Angle Eyepiece

    Pentax
    In Stock

    This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing. Terrestrially, it is an excellent moder...

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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00
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  • Save $50.95 Save $0.00
    $479.95
    $479.95 - $479.95
    $479.95
    $429.00
    $429.00 - $429.00
    $429.00

    Pentax 16.5mm XW Extra Wide Angle Eyepiece

    Pentax
    More on the way

    This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing. Terrestrially, it is an excellent moder...

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    $479.95
    $479.95 - $479.95
    $479.95
    $429.00
    $429.00 - $429.00
    $429.00
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  • Save $30.00 Save $0.00
    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00

    Pentax 20mm XW Extra Wide Angle Eyepiece

    Pentax
    In Stock

    This medium focal length Pentax provides sharp and very wide field images for both terrestrial and astronomical observing. Terrestrially, it is an ...

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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00
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  • Save $50.95 Save $0.00
    $499.95
    $499.95 - $499.95
    $499.95
    $449.00
    $449.00 - $449.00
    $449.00

    Pentax 23mm XW Extra Wide Angle Eyepiece

    Pentax
    In Stock

    This medium focal length Pentax provides sharp and very wide field images for both terrestrial and astronomical observing. Terrestrially, it is an ...

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    $499.95
    $499.95 - $499.95
    $499.95
    $449.00
    $449.00 - $449.00
    $449.00
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  • Save $30.00 Save $0.00
    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00

    Pentax 3.5mm XW Extra Wide Angle Eyepiece

    Pentax
    More on the way

    This very short focal length Pentax eyepiece has a wide 70° field of view combined with a long 20mm eye relief for eyeglass use. It's a combination...

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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00
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  • Save $50.00 Save $0.00
    $399.00
    $399.00 - $399.00
    $399.00
    $349.00
    $349.00 - $349.00
    $349.00

    Pentax 30mm XW Extra Wide Angle 2" Eyepiece

    Pentax
    More on the way

    This medium focal length 2" Pentax eyepiece is an excellent choice for medium power deep space observing with long focal length refractors, reflect...

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    $399.00
    $399.00 - $399.00
    $399.00
    $349.00
    $349.00 - $349.00
    $349.00
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  • Save $50.00 Save $0.00
    $429.00
    $429.00 - $429.00
    $429.00
    $379.00
    $379.00 - $379.00
    $379.00

    Pentax 40mm XW Extra Wide Angle 2" Eyepiece

    Pentax
    In Stock

    This long focal length 2" Pentax eyepiece is outstanding for low power/wide field astronomical observing with long focal length refractors and cata...

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    $429.00
    $429.00 - $429.00
    $429.00
    $379.00
    $379.00 - $379.00
    $379.00
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  • 5mm XW extra wide angle eyepiece
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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00

    Pentax 5mm XW Extra Wide Angle Eyepiece

    Pentax
    In Stock

    This short focal length Pentax eyepiece has a very wide 70° field of view and very long 20mm eye relief, a uniquely useful combination not matched ...

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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00
    Save $30.00 Save $0.00
  • 7mm XW extra wide angle eyepiece
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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00

    Pentax 7mm XW Extra Wide Angle Eyepiece

    Pentax
    In Stock

    This wide field Pentax eyepiece is designed for high power observing of objects on the ground by day and in the skies at night. Terrestrially, it i...

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    $299.00
    $299.00 - $299.00
    $299.00
    $269.00
    $269.00 - $269.00
    $269.00
    Save $30.00 Save $0.00
  • 8-24mm SMC 1.25" long eye relief astronomical zoom; 21-63x or 26-78x spotting scope zoom
    $359.00 - $359.00
    $359.00
    $359.00 - $359.00
    $359.00

    Pentax 8-24mm SMC 1.25" Long Eye Relief Astronomical Zoom; 21-63x or 26-78x Spotting Scope Zoom

    Pentax
    More on the way

    This is an ultra-premium six-element zoom eyepiece. It has a long eye relief that's particularly well-suited to those who must wear eyeglasses whil...

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    $359.00 - $359.00
    $359.00
    $359.00 - $359.00
    $359.00
  • Pocket Star Atlas (Black stars/white background)
    $19.95 - $19.95
    $19.95
    $19.95 - $19.95
    $19.95

    Pocket Star Atlas (Black stars/white background)

    Sky Publishing
    More on the way

    The Sky and Telescope celestial atlases (such as the famed Tirion Atlas 2000.0 series) are the standard by which all other star charts have been ju...

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    $19.95 - $19.95
    $19.95
    $19.95 - $19.95
    $19.95
  • $345.00 - $345.00
    $345.00
    $345.00 - $345.00
    $345.00

    Questar 1.25" Color Filter Set For Questar Eyepieces

    Questar
    More on the way

    This Questar filter set for planetary observing consists of ten 1.25" stackable color filters that are threaded to fit the barrels of Questar Brand...

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    $345.00 - $345.00
    $345.00
    $345.00 - $345.00
    $345.00
  • $395.00 - $395.00
    $395.00
    $395.00 - $395.00
    $395.00

    Questar 1.25" Mirror Diagonal for Brandon Eyepieces on a 3.5" Questar

    Questar
    More on the way

    The Questar #19107 is a mirror-type 90° viewing angle star diagonal for axial viewing with a 3.5" Questar telescope. It connects to the Cassegrain ...

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    $395.00 - $395.00
    $395.00
    $395.00 - $395.00
    $395.00
  • Questar 1.25" slip-fit adapter to use a 45° image erector on a Questar
    $75.00 - $75.00
    $75.00
    $75.00 - $75.00
    $75.00

    Questar 1.25" Slip-Fit Adapter to Use a 45° Image Erector on a Questar

    Questar
    More on the way

    This Questar slip-fit adapter lets you use a 1.25" image erecting diagonal with a Questar 3.5" telescope or spotting scope.This Questar 1.25" slip-...

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    $75.00 - $75.00
    $75.00
    $75.00 - $75.00
    $75.00
  • Questar 12mm Brandon
    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00

    Questar 12mm Brandon Eyepiece

    Questar
    More on the way

    This is an excellent medium high to high power eyepiece (108x and 162x in the 3.5" Questar) for observing lunar and planetary detail, resolving glo...

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    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00
  • Questar 16mm Brandon
    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00

    Questar 16mm Brandon Eyepiece

    Questar
    More on the way

    This is an excellent medium power eyepiece for lunar observing, resolving globular clusters, picking up details in the more compact emission and re...

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    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00
  • $550.00 - $550.00
    $550.00
    $550.00 - $550.00
    $550.00

    Questar 16mm Cordless Reticle, for Use In Questar Starguide Only

    Questar
    More on the way

    This Questar #19151 16mm illuminated crosshair reticle eyepiece has a self-contained battery-powered variable intensity LED for guided long-exposur...

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    $550.00 - $550.00
    $550.00
    $550.00 - $550.00
    $550.00
  • Questar 2" Quartz silver mirror for 7" Questars
    $925.00 - $925.00
    $925.00
    $925.00 - $925.00
    $925.00

    Questar 2" Quartz Silver Mirror for 7" Questars

    Questar
    More on the way

    This 2" Questar star diagonal allows the use of 2" eyepieces with the 7" Questar Maksutov. Its 1/20th wave first surface quartz mirror has silver m...

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    $925.00 - $925.00
    $925.00
    $925.00 - $925.00
    $925.00
  • Questar 24mm Brandon
    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00

    Questar 24mm Brandon Eyepiece

    Questar
    More on the way

    This is an excellent medium to low power eyepiece (53x and 80x in the 3.5" Questar) for lunar observing, resolving globular clusters, viewing the m...

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    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00
  • 3.5" Camera coupling set, needs Questar T-ring
    $275.00 - $275.00
    $275.00
    $275.00 - $275.00
    $275.00

    Questar 3.5" Camera Coupling Set, Needs Questar T-ring

    Questar
    More on the way

    This Questar 3.5" camera coupling set consists of a swivel coupling and three adapter tubes in various lengths that stack together in various combi...

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    $275.00 - $275.00
    $275.00
    $275.00 - $275.00
    $275.00
  • Questar 3.5" full aperture solar filter for 3.5" scopes
    $725.00 - $725.00
    $725.00
    $725.00 - $725.00
    $725.00

    Questar 3.5" Full Aperture Solar Filter for 3.5" Scopes

    Questar
    More on the way

    This Questar full aperture white light glass solar filter lets you safely observe fine detail on the surface of the Sun - sunspots, granulation, et...

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    $725.00 - $725.00
    $725.00
    $725.00 - $725.00
    $725.00

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