Player One M42F-M42M 20mm Extender (M42F-M42M-20)
$18.67
Sale price
$18.67
Regular price
$24.57
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Player One M42F-M42M 20mm Extender (M42F-M42M-20)
$18.67
Sale price
$18.67
Regular price
$24.57
Player One M42F-M42M 20mm Extender
The Player One M42F-M42M 20mm Extender is a precision-machined spacer designed to add 20mm of optical backfocus to astrophotography imaging trains using standard M42 × 0.75 threads. Constructed from durable Aluminum 6061-T6, it provides a rigid and secure connection between cameras, filter wheels, flatteners, and other threaded accessories while maintaining accurate spacing for optimal imaging performance. Its black anodized finish helps minimize internal reflections inside the optical path.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Threaded extender / spacer |
| Thread Type | M42 × 0.75 |
| Connection Configuration | M42 female → M42 male |
| Extension Length | 20mm |
| Material | Aluminum 6061-T6 |
| Compatibility | M42-threaded astronomy accessories |
| Application | Backfocus spacing and imaging train extension |
| Construction | CNC-machined metal design |
| Finish | Black anodized |
| Optical Use | Cameras, filter wheels, reducers, flatteners |
| Brand | Player One Astronomy |
In the Box
Player One M42F-M42M 20mm Extender
Warranty
Player One 2-Years Warranty