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Baader Planetarium Baader Planetarium Precision Amici Diagonal
Baader Planetarium produces what we think is easily the finest amici prism star diagonal available today
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Baader Planetarium Precision Amici Diagonal
$358.00
Arcturus Arcturus Dielectric Mirror Diagonal 2 Inch
Features sophisticated, lab-tested dielectric coatings that boast an astounding 99% reflectivity
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Arcturus Dielectric Mirror Diagonal 2 Inch
$119.95
Antares Optical Antares 2 Inch Dielectric Diagonal for SCTs
Arcturus' 2" SCT diagonal features dielectric coatings with 99% reflectivity across the visible spectrum and a 1/12 wave BK7 mirror.
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Antares 2 Inch Dielectric Diagonal for SCTs
$139.95
Tele Vue Tele vue 90 Degree Everbrite Diagonal - 2" - Satin Finish with 1.25" Adapter
Dielectric, nonmetallic mirror coating for 99% reflectivity across the full spectrum.
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Tele vue 90 Degree Everbrite Diagonal - 2" - Satin Finish with 1.25" Adapter
$406.00
Tele vue 2in Enhanced Star Diagonal (Mirror) with 1.25" Reducer
Exquisitely crafted to fold light exactly 90 degrees. The mirror blank is polished to 1/10th the wavelength of light and vacuum coated with enhanced aluminum. Then it's overcoated to protect the delicate mirrored surface.
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Tele vue 2in Enhanced Star Diagonal (Mirror) with 1.25" Reducer
$305.00
Celestron Celestron 2 inch XLT Diagonal (SCT)
The Celestron 2” Mirror Diagonal was built for superior performance.
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Celestron 2 inch XLT Diagonal (SCT)
$184.95
Arcturus Arcturus 1.25 45 Degree Erect Prism for ETX & SCT
Image Erecting Prism for Meade's ETX-90 and ETX-125. Produces a correctly oriented image and convenient 45° observing angle for terrestrial observations.
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Arcturus 1.25 45 Degree Erect Prism for ETX & SCT
$49.95
Arcturus Arcturus 1.25 inch Mirror Diagonal
Mirror diagonals are well known for superior performance over prism diagonals, but they are typically a high cost item. This is not the case with these fine diagonals from Arcturus!
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Arcturus 1.25 inch Mirror Diagonal
$35.00
Tele Vue Everbrite 60 degree 1.25 Diagonal
The Tele Vue 60º Everbrite Diagonal is a real breakthrough for birding and terrestrial viewing
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Tele Vue Everbrite 60 degree 1.25 Diagonal
$333.00
Tele vue 90 degree Everbrite Star Diagonal 1.25
Whiter and brighter images. Simply put, that is the benefit the Everbrite mirror coating.
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Tele vue 90 degree Everbrite Star Diagonal 1.25
$293.00
Stellarvue Stellarvue Dielectric Star Diagonal - 1.25" - D1030
Comes with a thick, precision, optical flat mirror with an enhanced 99% reflective dielectric coating.
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Stellarvue Dielectric Star Diagonal - 1.25" - D1030
$99.00
Arcturus Arcturus 1.25 45 Degree Erect Image Diagonal for Refractors
A great accessory for daytime terrestrial viewing with your telescope.
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Arcturus 1.25 45 Degree Erect Image Diagonal for Refractors
$35.00
Arcturus Arcturus 1.25 90 Degree Erect Prism
We have just added a new item to our Arcturus Series of optics, the 1.25" 90 Degree Erect Image Diagonal
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Arcturus 1.25 90 Degree Erect Prism
$45.00
Arcturus Antares .965-1.25 Hybrid Mirror Diagonal -MSDH
Would you like to upgrade that .965" drawtube refractor to accept 1.25" eyepieces? Here's exactly what you need!
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Antares .965-1.25 Hybrid Mirror Diagonal -MSDH
$40.00
Celestron Celestron Regal M2 80ED
The Regal M2 spotting scope series is the next generation of our top-performing Regal F-ED spotting scopes.
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Celestron Regal M2 80ED
$879.95
Celestron Celestron C90 MAK Spotting Scope
This C90 Mak has excellent optics with razor sharp images over a wide field.
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Celestron C90 MAK Spotting Scope
$279.95
Celestron Celestron C70 Mini Mak
C70 Mini Mak is a small but powerful spotting scope that includes a tabletop tripod which has built-in slow motion controls, a built-in zoom eyepiece capable of 90x magnification, and soft carrying case.
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Celestron C70 Mini Mak
$159.95
Celestron Celestron Skymaster 15x70
Multi-coated and water resistent
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Celestron Skymaster 15x70
$129.95
Celestron Celestron Outland X 10x50 Binocular
High-quality BaK-4 prisms combined with fully multi-coated optics increase contrast and resolution by providing maximum light transmission through the entire optical path delivering you brighter, more detailed images.
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Celestron Outland X 10x50 Binocular
$159.95
Antares Optical Antares SCT-T Thread Adapter (Short - 30mm)
This adapter threads on to the rear cell of your SCT scope. You can then attach any accessory with a standard female T-thread (such as a camera T-ring) to your SCT.
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Antares SCT-T Thread Adapter (Short - 30mm)
$25.00
Celestron Celestron Off-Axis Guider
The Off-Axis Guider is an essential astroimaging accessory for long focal length telescopes that require the most accurate guiding possible.
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Celestron Off-Axis Guider
$349.95
Rigel Rigel Pulseguide Illuminator
2 knobs let you independently tailor on and off blink times from continuous on to long-on/short-off or short-on/long-off or anything in between.
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Rigel Pulseguide Illuminator
$46.95
Arcturus Arcturus Illuminator Only (LIMITED QUANTITIES)
Use this illuminator to make the crosshair reticle in your finderscope eyepiece more visible at night.
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Arcturus Illuminator Only (LIMITED QUANTITIES)
$39.99
Antares Optical Antares 1.25" 25mm Plossl Eyepiece with Wire Reticle (NON-ILLUMINATED)
1.25" 25mm Plossl eyepiece, 55 Degree Apparent Field, eyeshield, XX-glass reticle with illuminator, Fully Coated
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Antares 1.25" 25mm Plossl Eyepiece with Wire Reticle (NON-ILLUMINATED)
$49.95