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ZWO

ZWO 8-Position Electronic Filter Wheel for 1.25" or 31mm Filters.

ZWO 8-Position Electronic Filter Wheel for 1.25" or 31mm Filters.

$299.00 USD
$299.00 USD
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ZWO-EFW-8x1.25

Low stock: 1 left
PRODUCT DESCRIPTION

The ZWO EFW 8-Position Electronic Filter Wheel delivers automated filtering for astrophotography rigs. Crafted from CNC-machined aircraft-grade aluminum and measuring only 20 mm thick while weighing approximately 400 g, it seamlessly integrates into your imaging train without adding bulk.

It accommodates eight 1.25″ mounted or 31 mm unmounted filters, powered through a single USB cable and driven by a reliable Japanese NPM stepper motor for smooth, bi-directional operation.

TECHNICAL SPECIFICATIONS
Specification Value
Filter Capacity 8 × 1.25″ (threaded) or 31 mm (unmounted)
Material CNC-machined aircraft-grade aluminum
Thickness 20 mm
Weight ~400 g (14 oz)
Motor NPM stepper (Japan)
Power Interface USB 2.0 (~120 mA @ 5 V)
Operation Clockwise and counterclockwise rotation
Vignetting Compatibility No vignetting with 1.25″ up to f/5; 31 mm up to f/2
WHAT’S IN THE BOX?
  • ZWO EFW 8-Position Filter Wheel Body
  • 1.25″ Cover
  • T2 Nosepiece
  • 1.25″ Filter Holder (with cover & screws)
  • T2–T2 Adapter (male)
  • Filter Masks & M2 Screws
  • USB 2.0 Cable
  • Phillips Screwdriver
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