Snowflake 7+1 Filter Wheel
Ultra low-profile. Built for professionals.
SKU: WSFW36S/50S/50
Guide price：From 369 USD
Feature Highlights
*Eight-slot design for additional unmounted/dark filter
*Ultra low-profile from only 14 mm
*One-piece filter mask, say bye to light leak
*Fully enclosed design, refined aesthetic
*No need of disassembling the filter disk
*Compatible with most cameras and OAGs
*Reliable operation down to −30 °C
Learn & Explore
Key Features
7+1 Eight-slot Design
The 8th slot can be fitted with either an extra unmounted filter or a dedicated dark filter (included as standard), allowing dark frames capture anytime, anywhere.
The image is for installation demonstration purposes only; the filter shown in the image is not included.
Thinner for More Possibilities
Starting from an astonishing 14mm thickness (see dimensions for details), it offers astrophotographers greater flexibility. In situations with limited back focus or focus travel, if you need to install a CAA or an ETA, the Snowflake filter wheel may be your only viable option. Additionally, the reduced distance between the filters and the sensor increases the effective aperture of the filters, helping to minimize vignetting.
The product comes standard with back focus spacers, allowing users to increase the thickness up to 20 mm to accommodate conventional back focus solutions. For the 16 mm model, two 2 mm spacers are provided. For the 14 mm model, three 2 mm spacers are included.
High Positioning Accuracy
The Snowflake filter wheel uses a gear-driven system combined with a damping anti-backlash mechanism. Paired with high-precision sensors, it achieves remarkable repeatability, ensuring long-term consistency for flat frames.
Fully Enclosed Design
No exposed motors or circuit boards, offering a uniquely refined aesthetic. The innovative one-piece filter mask not only offers a seamless, premium appearance but also prevents stray light from entering through the filter sides or any openings. Moreover, the one-piece mask requires only half the number of screws to securely hold the filters, simplifying installation. This design also prevents accidental screw drops into the filter wheel gaps or onto the camera.
Conventional Filter Masks Included
For users who need to mix unmounted filters with 2-inch filters or have other special requirements, conventional individual filter masks are also included. Professional design means every detail is covered.
Light-blocking Grooves
Stepped light-blocking grooves provide full sealing, preventing any stray light intrusion.
Easier Camera Connection
The specially designed 8th filter slot features a unique shape that allows screws to pass directly through the filter disk and attach to the camera. This eliminates the need to disassemble the filter disk when connecting filter wheel to your camera, greatly simplifying the process and avoiding potential mishaps.
Exceptional Rigidity
Unlike most filter wheels, which only have fixing screws around the perimeter, the Snowflake filter wheel includes a central mounting screw, creating a more rigid, unified structure. Under the same conditions, deformation is reduced by half compared to conventional designs, effectively doubling rigidity.
Light-blocking Foam
Some cameras require a light-blocking gasket to maintain full sealing. We provide a self-adhesive foam sealing ring as standard, allowing users to install it or leave it off depending on their camera model.
Compatible with Major Brands
The Snowflake filter wheel features versatile and compatible mounting holes, supporting ZWO, QHY, ToupTek, as well as PlayerOne APS-C and full-frame cameras, and most of their OAGs. It also includes a recessed groove specifically designed to accommodate QHYCCD cameras without increasing the back focus.
Extreme Cold Tolerance
The powerful motor and the zero-flex design allow the Snowflake filter wheel to operate smoothly even in winter conditions (-30℃). The motor requires a 12 V supply, and we thoughtfully provide a 12 V hub output to simplify wiring.
**The high-power motor may produce noticeable operational noise, which is normal for the Snowflake filter wheel.
ASCOM and INDI Compatible
Supports simultaneous connection and individual identification of multiple Snowflake filter wheels via ASCOM drivers.
**INDI drivers will be released later
Dimensions/Specs
SFW50
SFW50S
SFW36S
Packaging List