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ADM V Series Dovetail Adjustable 75mm Ring Set Fits V Series dovetail bars. Includes two 75mm (ID) adjustable guidescope rings with large delr...

ADM V Series 90mm Adjustable Rings Set Fits V Series saddles. Includes two 90mm (ID) adjustable guidescope rings with large delrin tipped thum...

ADM 75 mm Adjustable Rings with Delrin Screws Includes two 75mm (ID) adjustable guidescope rings with large delrin tipped thumb screws. Adjust...

ADM V Series Universal Dovetail Bar Counterweight Fits V Series saddles. Adds additional weight for balancing al/az mounts. Threaded rod bolts...

ADM 90 mm Adjustable Rings with Delrin Tipped Thumb Screws Fits V Series dovetail bars. Includes two 90mm (ID) adjustable guidescope rings wit...

ADM 125 mm Adjustable Rings with Delrin Tipped Thumb Screws  Fits V Series dovetail bars. Includes two 125mm (ID) adjustable guidescope rings ...

ADM 150 mm Adjustable Rings with Delrin Tipped Thumb Screws Fits V Series dovetail bars. Includes two 150mm (ID) adjustable guidescope rings w...

ADM 54.5mm Inside Diameter Tube Ring Set 54.5mm inside diameter tube ring designed specifically to fit the common 50mm finder sold on Amazon u...

ADM V Series Counterweight with 5″ Threaded Rod Fits V Series dovetail bars. Adds additional weight for balancing OTA’s. Split clamp design gr...

Swarovski - Zoom Digital Camera Adapter The Swarovski DCA Digiscoping Adapter allows you to digiscope with your Swarovski spotting scope, using eit...

Lunt Back Plate & Focuser for LS152THa Have an LS152THa and want to use it for nighttime, too? You can do it with this back plate & focuser...

Antares 10mm Plössl eyepiece 0.965"  This 0.965" 10mm Plossl with 52 degrees apparent field and symmetrical design has low aberrations a...

Antares 2" 2x Barlow for Newtonians with Twist-lock  Antares 2" 2X Barlow for Newtonians, with Twist-lock. 2UB2N can be used in a refractor without...

Antares 3x 1.25" Barlow  1.25" 3X barlow, 27mm aperture doublet, Fully Multicoated Antares barlows will extend the focal length of y...

Explore Scientific 68° Series 40mm Waterproof Eyepiece Using advanced computer design, combinations of low dispersion and high refractive index op...

Explore Scientific 62° Series 32mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 6...

PrimaLuceLab 9mm M48 Extension PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (...

Orion Variable Projection Tele-Extender for LX Telescopes (07348) Meade brand tele-extender Tele-Extender for LX Models 15-22mm eyepiece Dimensio...

Orion SkyGlow 1.25" Filter  Specialized astrophotography filter designed for deep-sky imaging in light polluted skies with CCD or DSLR cameras The...

Orion Variable 12-17mm T-thread Spacer Ring  In the Box Orion Variable 12-17mm T-thread Spacer Ring Manuals & Warranty Orion 1-year warranty ...

Starfield Secondary Mirror Heater - Large Starfield Optics's dew heater for secondary mirror on 2 inch stalk (large) . Works with 12V power supply ...

Starfield Secondary Mirror Heater - Small Starfield Optics dew heater for secondary mirror on 1.25 inch stalk (large) . Works with 12V power suppl...

Baader Hyperion DT-Ring SP54/M52 Adapts camera lenses onto Hyperion and Morpheus Eyepieces, as well as DT Adapter II & III, for afocal eyepiec...

Baader Hyperion DT-Ring SP54/M58 Adapts camera lenses onto Hyperion and Morpheus Eyepieces, as well as DT Adapter II & III, for afocal eyepiec...

Celestron upclose G2 10x25mm roof monocular High quality monocular at an affordable / economical price Multi-coated optics increase light transmi...

Lunt Clamshell Mounting Ring for LS60THa or LS80THa The black-anodized heavy-duty Lunt Clamshell Mounting Ring for LS60THa or LS80THa mounting ring...

Lunt 8mm Flat-Field Eyepiece Significantly, Lunt 8mm flat-field eyepiece for solar telescopes are coated with 0.1% anti-reflective coatings. Notabl...

  Astronomik ProPlanet 807 IR-pass filter Ideal addition to the Astronomik ProPlanet IR 742 for imaging the moon and planets, with telescopes large...

ZWO FF80APO 0.76X Full Frame Reducer ZWO has also released a new 3-inch FF80APO 0.76X full frame reducer with a three-element optical design, inclu...

Astronomik SII 6nm CCD MaxFR There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA the Epsil...

Astronomik SII 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA t...

Astronomik SII 12nm CCD Filter This SII Filter is suitable for imaging of SII-regions from observation sites with light pollution and from dark sit...

Astronomik H-alpha 6nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RAS...

Astronomik H-alpha 6nm CCD Filter The Astronomik H-alpha filter is ideal for imaging HII regions from both light-polluted and dark observation site...