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Pentax SMC XW5 70° Eyepiece - USED  This eyepiece is in excellent condition. Normal wear on barrel. Comes with original box. The Pentax XW5 70° has...

Askar SQA55 Quick-Release Handle Bar All metal material, overall length 110mm.  Features a quick-release design for tool-free installation and ...

Tele Vue Nagler 5.5mm Type 7 Concept The Nagler Type 7 series was developed as a natural extension of our highly regarded, 85°, limited edition Apo...

Tele Vue Nagler 9mm Type 7  Concept The Nagler Type 7 series was developed as a natural extension of our highly regarded, 85°, limited edition Apo...

Tele Vue Nagler 14mm Type 7  Concept The Nagler Type 7 series was developed as a natural extension of our highly regarded, 85°, limited edition Ap...

SVBony SV245 Zoom Eyepiece 8-16mm FOV 63° Parfocal & ClickStop   63°wide field view; immersive views without losing field of view during zoom...

Baader UBVRI Bessel Filters V-Filter – Photometric Baader Bessel-UBVRI Bandpass Filter Set, suitable from f/15 to f/1.8 Classic photometric filter...

Baader Flat Base Plate for BDS-NT Diamond Steeltrack Enables mounting of the Baader NT Diamond Steeltrack onto Dobsonians with flat mounting surfac...

Starfield Adjustable Flattener for 80 - 155mm Telescopes The Starfield 1.0x adjustable flattener makes finding the correct back focus easy! Fighti...

Astronomy Plus SCT Female to T2 Adapter  SCT Female ring to T2 (M42M) metallic adapter. Adds 55 mm of back spacing Technical Specifications Conn...

Astronomy Plus SCT Female to M42M Adapter SCT Female to M42M metallic adapter. Adds 2 mm of back spacing Technical Specifications Connection Sid...

Astronomy Plus M42F to M54M Adapter M42F to M54M metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M42 x 0.75...

Astronomy Plus M54F to M48F Adapter  M54F to M48F metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M54 x 0.7...

Astronomy Plus M54M to M42F Adapter M54M to M42F metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M54 x 0.75...

Astronomy Plus M54M to M48F Adapter M54M to M48F metallic adapter. Adds 2 mm of back Focus Technical Specifications Connection Side A M54 x 0.75...

Astronomy Plus M42M to M48F Adapter M42M to M48F metallic adapter. Adds 1mm of back Focus Technical Specifications Connection Side A M42 x 0.75 ...

Astronomy Plus SCT Male to M42M Adapter SCT Male to M42M Adapter Metallic adapter. Adds 2mm of back Focus Technical Specifications Side A : SCT Ma...

ADM V Series 4" Universal Dovetail Bar Fits popular telescope mounts sold by Celestron, Meade, Orion, SkyWatcher, TeleVue, Vixen and more. Slotted ...

Guide Éclair - Insectes du Québec (FR) Dozens and dozens of species found in Quebec are illustrated and briefly explained in these small guides tha...

Guide Éclair - Arbres du Québec (FR) Dozens and dozens of species found in Quebec are illustrated and briefly explained in these small guides that ...

Guide Éclair - Papillons du Québec (FR) Dozens and dozens of species found in Quebec are illustrated and briefly explained in these small guides ...

PrimaluceLab Adapter ESATTO 3" for ARCO 3" Adapter ESATTO 3" for ARCO 3" allows you to connect the rotator to ESATTO 3" microfocuser and control it...

ADM D Series Male to Male Adapter. 12″ Long Male to male dovetail plate. For use of secondary equipment on equatorial mount and DSBS. 12″ Long, 4″ ...

Explore Scientific iEXOS-100 Azimuth Adjuster Adapter The Azimuth Adjuster Adapter is designed for use on the Twilight Medium Duty or Twilight Heav...

Starfield / Xagyl - 7 x 36mm Filter Wheel Ultra slim motorized filter wheel - only 0.7" thick! Holds 7 x 36mm unmounted filters up to 4mm thick usi...

Askar 160APO 0.8x Full-frame Reducer     The 0.8x reducer can bring Askar 160APO's focal ratio down to F5.6. This is a standard reducer with fi...

Starfield Adapter Plate for Skywatcher Mounts The Skywatcher Pier adapter allows for the HEQ5 and EQ6R mounts to be used with the Starfield Pier. S...

Wanderer Astro Losmandy Dovetail Bracket Kit (Long) For WandererCover/Eclipse   Notice: For Celestron CHD and RASA series, if you are not using an ...

Kendrick 2.1 mm 7A DC Power Cord Kendrick's controllers include a power cord, but a spare cord is can always come handy. Power Cord for Standard Du...

Optec Hercules Focusing Rotator New Low Profile Combination Focuser & Rotator Optec's new Hercules rotating focuser combines camera field rotat...

Astronomy Plus M48M to M48M Adapter M48M to M48M Metallic adapter. Adds 2mm of back Focus Technical Specifications Side A : M48 x 0.75 Male Side B...

Astronomy Plus Premium Red Dot Finder with Synta Base A red dot finder simplifies telescope alignment by projecting a precise, illuminated dot that...

ADM DVPA V & D Series Dovetail Adaptor Fits D Series or V Series dovetail bars. Incorporates a split clamp design that grips the dovetail bar a...

ADM D Series 18″ Connecting Bar Upgrade for Side-By-Side System Fits D Series saddles. Connecting bar for Side-By-Side systems. Has four different ...