Self-Developed Filter Wheel
Connect it to your camera, laptop or ASIAIR products via the USB 2.0 port & cable for both data transmission and power supply.
No drivers required
Plug and play. Easy to use
Low power consumption
USB 2.0 powered. Low power consumption, low heat generation.
Regular sizes and mini size for you to choose from.
Support most filters in the market
Support ASCOM and various ASCOM-compatible third-party software.
Small Size & Light Weight
Easy to Carry
The EFW Mini weights 300g with only 20mm thickness. The black anodized body is CNC machined from an aircraft-grade aluminum block.
The stepper motor at its core is made by NPM from Japan.
What's in the box (EFW Mini)?
A bag of filter masks
USB 2.0 2m cable
LRGB Filter Sets
92% transmission at passband, multi-layers anti-reflection coating, precision off-band blocking.
Aerometal material, precise CNC machining, fine sandblasting process and anodized finish. Precise double-sided optical coating to ensure accurate 1/4 wavefront and <30 seconds parallelism over both surfaces.
SHO Filter Sets
Enables a higher contrast and greater detailed viewing in heavy light pollution conditions. Fine-optical polish to ensure accurate 1/4 wavefront over both surfaces.
UV IR Cut Filter
The 1.25"/2" IR CUT filters are intended for DSLR cameras and cine cameras that do NOT have an IR filter installed in front of the sensor.
Methane Filter (CH4)
This 1.25" methane filter (CH4) is a filter whose very narrow transmission is centered around one of the CH4 absorption band in the near infrared at 890 nm. It is recommended for planetary imaging such as Jupiter, Saturn and the other planets.