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Astronomik H-alpha 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RA...

Astronomik H-alpha 12nm CCD Filter The Astronomik H-alpha filter is ideal for imaging HII regions from both light-polluted and dark observation sit...

PlaneWave 2″-24 TPI Male to SecureFit This 0.25″ long adapter presents 2″-24 TPI male thread on the camera facing side and PlaneWave SecureFit bolt...

PlaneWave SBIG STL to SecureFit - CCD Adapter, SBIG STL to PlaneWave SecureFit An adapter that is used in conjunction with Secure Fit CCD Spacer to...

PlaneWave SecureFit to M42 Male T-Thread CCD Adapter, Male T-Thread to PlaneWave SecureFit: An adapter that is used in conjunction with SecureFit C...

PlaneWave Apogee to SecureFit CCD Adapter, Apogee to PlaneWave SecureFit: An adapter that is used in conjunction with Secure Fit CCD Spacer to atta...

PlaneWave CDK20 To AP Female This adapter mounts in place of a focuser on CDK14/17/20 & 24 models and has the standard AP female threads. In t...

Takahashi 1.01x Flattener for FSQ-85ED    The FSQ-85EDX's additional corrector to cover full-frame sensors With the continuous development of DSLRs...

PlaneWave CDK17/20 to Clement Focuser This adapter attaches to the back of the CDK17 or CDK20 using the same retaining ring that holds the PlaneWav...

Takahashi FL 0.93X Flattener This field corrector is specific to the FOA-60 refractor. It provides a corrected image circle of 44 mm in diameter, c...

Takahashi Bracket for 7x50 CCA-250 Finderscope The Takahashi 7X50 finderscope bracket is compatible with the Takahashi 7X50 finderscope and is des...

PlaneWave SecureFit to M68 x 1 This adapter presents M68 x 1 male threads on the camera side and presents SecureFit on the telescope side. Bac...

PlaneWave SecureFit to M62 x 0.75 This adapter presents M62 x 0.75 male threads on the camera side and presents SecureFit on the telescope sid...

PlaneWave SecureFit to M54 x 0.75 This adapter presents M54 x 0.75 male threads on the camera side and presents SecureFit on the telescope sid...

Takahashi Reticle illuminator TAKAHASHI'S Red LED Reticle Illuminator, was designed for the 7X50 and 11X50 Finder Scopes as well as the Takahashi 5...

PlaneWave SecureFit to M48 x 0.75 This adapter presents M48 x 0.75 male threads on the camera side and presents SecureFit on the telescope side. B...

Takahashi Starbase 80 6x30 Finder with Bracket The Starbase 6x30 finder is designed for use with the Starbase 80 achromatic refractor and is useful...

PlaneWave SecureFit Low Profile Spacer The 600327/600328 are stacked together and occupy a total 0.50 inch of backfocus. Each sold separately. ...

PlaneWave 3.5″ Hedrick Focuser to 2.7″ AP Threads (only for CDK17 and CDK20) This adapter bolts onto the back of the Hedrick 3.5″ Focuser and provi...

Takahashi Extender-CR  The Takahashi Extender-CR 1.5X is designed specifically for the CCA and Corrected Mewlon series of telescopes.  It incr...

Takahashi Extender 1.5x for EPSILON-130D The 1.5x extender for Takahashi Epsilon-130D telescope For Epsilon-130D users who want to shoot at longer ...

PlaneWave 2.75″ Hedrick Focuser to 2.7″ AP Threads Adapter, 2.75″ Hedrick Focuser to 2.7″ AP Threads (only for CDK12.5): This adapter bolts onto th...

Takahashi Extender 1.5x for EPSILON-180ED The 1.5x extender for Takahashi Epsilon-180ED telescope For Epsilon-180ED users who want to shoot at long...

Takahashi 1.5X Extender for E-160ED The ε-Extender is a high performance extender, composed of 7 elements in 5 groups. Coma aberration is corr...

Takahashi 2x Barlow lens 2x Barlow 1.25" with Compression Ring In the Box Takahashi 2x Barlow lens  Manual & Warranty  Takahashi 5-Years ...

Takahashi Extender-Q 1.6x  The Takahashi Extender-Q 1.6X is designed to work with the FS and FC series of Takahashi telescopes.  It extends th...

Takahashi TOE High magnification eyepieces The best observation is achieved by combining an excellent optical tube, with performance close to the d...

Takahashi Starbase Kelner-type eyepiece The Starbase Kellner eyepiece offers a reasonable field of view (45°) with reasonable eye reli...

Takahashi Collimating scope The Takahashi collimating scope is a 6 x 18mm telescope designed for use on refractor, Ritchey-Chretien and classi...

Takahashi Collimating tube with crosshair for Newtonian  This Takahashi tube with crosshairs works with Newtonian or Cassegrain telescopes as ...

Takahashi 1.25" Collimating eyepiece  The best tool for collimating your Newtonian telescope The collimation is an essential step to obtain optimal...

Takahashi STL Thread Adapter for QSI WSG Cameras The Takahashi QSI WSG CCD adapter connects the QSI WSG series camera spacer to the STL thread...

Takahashi 38.5mm T-Thread Spacer for S-Exp. and SBIG Cameras  Takahashi T-Thread Spacer adapter of 38.5 mm fortarlight Express and SBIG Camera...

Takahashi 35.0mm T-Thread Spacer for QHY 8/10/12 Cameras  Takahashi T-Thread Spacer adapter of 35.0 mm for QHY 8, QHY 10 & QHY 12 Camera  ...