ZWO M42-M42 Extender

The ZWO M42-M42 Extender is a crucial component for building a precise imaging train. Designed with M42x0.75 male threads on one end and M42x0.75 female threads on the other, these extenders allow you to achieve the correct back focus distance required for your flattener, reducer, or other optical accessories. Available in a range of sizes (5 mm, 10 mm, 15 mm, and 20 mm), they are ideal for fine-tuning the spacing between your camera and telescope, ensuring a flat field and sharp stars across the entire image. Crafted from durable aluminum, they are lightweight and add no flex to your setup.

• Thread Type: M42x0.75 male to M42x0.75 female
• Material: CNC-Machined Aluminum
• Available Lengths: 5 mm, 10 mm, 15 mm, 20 mm
• Compatibility: All M42-threaded astrophotography accessories and cameras
• Usage: Correcting back focus distance

• ZWO M42-M42 Extender (selected size)