ZWO Filter Masks for Original Model of the EFW Mini Filter Wheel - EFW-5-MASKS 5mm Eyepieces Enhanced Optics: The 90 mm

Enhanced Optics: The 90 mm objective lens gathers significantly more light than standard 60 mm refractors

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ZWO Filter Masks for Original Model of the EFW Mini Filter Wheel - EFW-5-MASKS 5mm Eyepieces Enhanced Optics: The 90 mmThese filter masks are specifically for the original version of the EFW Mini Filter Wheel. They come with M2 screws to secure the masks in place. Here are a few images of what the finished installation should look like, even if the example isn't your exact filter wheel model: To install the filters and masks: Remove the screws securing the back cover and remove the back cover Place filters onto the filter positions. Use the included M2 screws with