
Astromania 9-Position Filter Wheel Compatible for Telescope Filter 1.25inch | T2 Connector on Both Sides,Achieve Astroph
£85.99 inc. VAT (£71.66 ex. VAT)
- Holds up to nine 1.25-inch filters for fast switching between RGB and narrowband.
- Dual T2 threads ensure rigid, direct connection to your astro-camera and focuser.
- Smooth mechanical indexing lets you change filters without disrupting telescope focus.
- Light-tight housing prevents stray reflections and protects sensitive filters from dust.
Why Choose PositFilter Optics
Maximise Clear UK Nights with a 9-Position Optical Filter Carousel
The PositFilter 9 position telescope filter wheel UK is engineered for astrophotographers and visual observers who demand rapid filter switching without compromising optical alignment. Standard 5-slot filter wheels force mid-session filter swaps when moving from LRGB broadband color capture to Narrowband sulfur, hydrogen, and oxygen (SHO) deep-sky imaging. With nine internal positions, this manual filter changer lets you load your entire filter armory into a single light-tight housing for the entire night.
Precision Mechanical Indexing & Dual T2 Thread Security
Built with CNC-machined anodised aluminium alloy, the PositFilter manual 1.25 inch astronomy filter wheel features tactile mechanical click-stops that snap each filter into precise optical alignment without guesswork. Both sides of the housing are precision-machined with female and male T2 (M42x0.75) threads, offering ultra-secure direct-thread attachment to dedicated CMOS/CCD astrophotography cameras, field flatteners, and focal reducers to eliminate unwanted physical flexure.
Light-Tight Housing Prevent Light Leaks & Cable Clutter
Unlike motorized electronic filter wheels that introduce cable drag, battery anxiety, and driver compatibility troubleshooting under freezing dark skies, this manual 9 position 1.25 inch filter wheel operates pure mechanical reliability. The fully sealed internal wheel housing incorporates light baffle seals to prevent stray urban ambient light from compromising long-exposure astrophotography images under UK suburban skies.






Technical Specifications
- Filter Capacity
- 9 x 1.25" Standard Threaded Filters
- Mounting Threads
- Dual T2 (M42 × 0.75 mm) Female/Male
- Included Adapter
- 1.25" Focuser Nosepiece to T2 Adapter
- Back-Focus Consumed
- 22.5 mm
- Internal Clear Aperture
- 24 mm
- Housing Material
- CNC Machined Anodised Aluminium
- Weight
- 420 g
- Dimensions
- 158 × 142 × 24 mm
- Certification
- CE, RoHS, UKCA Compliant Hardware
Price Comparison
See how our price compares across UK retailers
| Retailer | Price | Delivery | Warranty |
|---|---|---|---|
| PositFilter Optics UK (Specialist)BEST | £85.99 | FREE | 12 months + UK Support |
| eBay (est.) | £107.49 | Varies | Seller dependent |
| High Street RRP | £137.58 | N/A | Varies |
Prices checked 5 August 2026. Prices may vary.
Customer Reviews
Bought the buy 9 position 1.25 inch filter wheel to swap between my LRGB and SHO narrowband filters without having to open the telescope assembly outside in cold Yorkshire nights. The click-stops are reassuringly crisp and rigid.
Outstanding t2 thread telescope filter wheel. Having nine slots means I keep my Luminance, Red, Green, Blue, Ha, OIII, SII, Dark Frame filter, and Light Pollution filter installed permanently. Huge upgrade over 5-slot units.
Solid CNC metal construction with zero light leaks during long 300-second deep-sky exposures. Direct T2 threading eliminated camera tilt on my refractor completely.
Very reliable manual 1.25 inch astronomy filter wheel uk. It is slightly larger than 5-position wheels due to the 9 slots, but fits my back-focus setup easily. Delivery was next day.
Great astrophotography 9 filter changer. No software drivers to crash, no cables to twist around the equatorial mount, just smooth manual rotation that centres every time.
Excellent value under £90. Holds all my planetary filters plus a moon filter. The included 1.25 inch nosepiece makes swapping between visual observing and planetary camera fast.
The nine slot telescope filter wheel uk has transformed my astrophotography routine. Swapping from planetary color filters to narrow-band hydrogen alpha without unmounting the camera saves so much alignment time.