Filter Accessories

Starizona Modular Filter Slider * HYPERSTAR USERS: If you're ordering a Modular Filter Slider for your HyperStar you will also need to purchase a F...

Vaonis Vespera Lens Ring (spare part) Replacement part. The Vespera Lens Ring comes in the original Vespera pack. Only suitable for the Vespera ob...

ZWO 2”-1.25” Filter Adapter Ring The filter adapter ring that allows you to use the filter with a smaller filter thread size. No need for buyi...

Daystar Flat Cap Imaging Diffuser The DayStar FlatCap is a Gaussian diffuser that is temporarily installed over the front of your telescope when t...

Starizona Case for Modular Filter Slider Starizona has designed and 3D printed this case to hold the filter drawer for the Starizona Modular Filter...

RASA 8 Filter Holder The Starizona RASA 8 Filter Holder allows you to use 2" filters with the Celestron RASA 8" telescope with cameras that are...

Buckeye Filter Masks for Filter Wheels These Filter Centering Masks will make it easy to center your filters in a filter wheel, and will block any ...

Baader 4x Filterholder 31mm for FCCT (3D-printed) for Unmounted Ø 31x2mm Filter Set consisting of four pieces 3D-printed filter holder for unmount...

Baader 31mm 3D-printed Filter Holder for FCCT Set consisting of four pieces 3D-printed filter holder for unmounted Ø 31 x 2 mm Baader filters Fitt...

Baader Optical Spacer Ring 0.5mm – for FCCT Additional optical spacer ring with 0.5mm thickness to achieve a perfect fine focus in case of focus p...

Baader FCCT (Filter Changer Camera Tilter) for RASA 8" and QHY cameras The FCCT can achieve micron tilt adjustment.  Product Variations: Baader FC...

Baader DSLR-2" Filter Holder M48/SP54 Allows mounting of Baader 2" filters Needs Hyperion DT-rings #2958028 - 2458062 and additional Stepper Rings...

Baader T-2 C-Mount with mounted UV/IR Cut Filter 1" (25.4mm) C-mount (external thd) to T-2 Thread (internal thd) With integrated 1¼" filter mount ...

Geoptik Filter Reducer From 2" to 1.25"  Filter reducer from 2″ to 1,25″ In the Box Geoptik Filter Reducer From 2" to 1.25" Warranty & Manual A...

Geoptik 2" filter slide Dobson Naditus filter holder  2 “.May ‘hold 4 filters 2 ” or 1,25″ with adapter (cod. 10B008 optional) Its low profile, onl...

ZWO Filter Masks The ZWO Filter Masks are used for ZWO filter wheels. Available for: For ZWO EFW mini For ZWO EFW 8 x 31mm For ZWO EFW 7 x 36mm ...

Starizona Filter Slider 2" to 1.25" Filter Adapter This filter step ring is made specifically with the Starizona Filter Slider system in mind. It i...