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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

Filter Wheels

Filters

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$299.00
$299.00 - $299.00
$299.00
$239.00
$239.00 - $239.00
$239.00

ZWO EFW - 7 x 36mm

ZWO-EFW-7x36-II
2 in stock

Holds seven 36mm unmounted filters Adds only 20mm of back focus to the imaging train Powered and controlled via a single USB-C cable Weighs 515g f...

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$299.00
$299.00 - $299.00
$299.00
$239.00
$239.00 - $239.00
$239.00
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$599.00 - $599.00
$599.00
$599.00 - $599.00
$599.00

ZWO EFW - 7 x 50mm Square Filter Wheel

ZWO EFW-7x50

Holds seven 50mm square unmounted filters Designed for large-format sensors like the ZWO ASI461MM Pro Direct bolt-on connection for maximum rigidi...

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$599.00 - $599.00
$599.00
$599.00 - $599.00
$599.00
Save 20% Save %
$299.00
$299.00 - $299.00
$299.00
$239.00
$239.00 - $239.00
$239.00

ZWO EFW - 8 x 1.25" or 31mm

ZWO-EFW-8x1.25
2 in stock

For 1.25" or 31mm filters Easy to install on the telescope and the camera Filters are easy to ins...

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$299.00
$299.00 - $299.00
$299.00
$239.00
$239.00 - $239.00
$239.00
Save 20% Save %
$199.00 - $199.00
$199.00
$199.00 - $199.00
$199.00

ZWO Electronic Filter Wheel EFW Gen2 - 5 x 1.25"

ZWO-EFW-5x1.25-25
1 in stock

5 filter positions for 1.25" or 31mm filters Adds 20 mm of back focus to the imaging train USB-C powered and controlled Redesigned housing for imp...

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$199.00 - $199.00
$199.00
$199.00 - $199.00
$199.00
$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00

ZWO Electronic Filter Wheel EFW Gen2 - 5 x 2"

ZWO-EFW-5x2-25
2 in stock

Holds 5 x 2" mounted or 50.4mm unmounted filters Adds only 20 mm of back focus to the imaging train Stepper motor for precise, repeatable filter s...

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$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00

ZWO Electronic Filter Wheel EFW Gen2 - 7 x 2"

ZWO-EFW-7x2-25
2 in stock

Holds seven 2" mounted or 50.4mm unmounted filters Adds 20 mm of back focus to the imaging train Stepper motor for precise, quiet filter selection...

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$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00
$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00

ZWO Electronic Filter Wheel EFW Gen2 - 7 x 36mm

ZWO-EFW-7x36-25
1 in stock

Houses seven 36mm unmounted filters Adds a minimal 20mm of back focus to the imaging train 7-position carousel for LRGB, narrowband, or custom set...

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$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00

ZWO Electronic Filter Wheel EFW Gen2 - 8 x 1.25"

ZWO-EFW-8x1.25-25
1 in stock

Holds 8 x 1.25" or 31mm unmounted filters Adds 20 mm of back focus to the imaging train USB-powered stepper motor for precise filter selection Red...

View full details
$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00