ZWO Adapter Ring 1.25 inch to 2 inch

ZWO Adapter Ring 1.25 inch to 2 inch: Small Filters in Large Systems

With this adapter ring, you can use 1.25-inch filters in systems with a 2-inch (M48) thread, such as filter drawers, filter wheels, and focuser outputs. This is useful if you already own 1.25-inch filters and don't want to immediately purchase the larger size, or when using a small sensor where 1.25-inch is perfectly sufficient.

The ring is made of anodized aluminum, seals light-tight, and has an optical length of only 5mm, so your back focus is maintained and vignetting is prevented.

Features

• Mounts 1.25 inch filters in 2 inch (M48) threads
• Fits ZWO filter drawers and standard M48 mounts
• Light-tight connection of anodized aluminum
• Only 5 mm optical length: back focus is retained

Compatibility

Input 1.25 inch filter thread, output M48 x 0.75 (2 inch). Space for one filter at a time. Note: with large sensors, a 1.25 inch filter may cause vignetting; it is best to use this combination with sensors up to approximately 4/3 format.

Specifications

A small accessory from the adapter program of ZWO that connects two filter sizes.