أنبوب تمديد ZWO M42 إلى M42 - 21 مم - T2-EXT-21

Finally got the spacing right for my imaging train with this 21mm tube. The black anodized finish matches perfectly with my other gear and feels solid.

The threading is buttery smooth and the black anodized finish matches my other gear perfectly, which made racking in that last 21mm of back focus a total non-issue. It's exactly the right depth for my setup, and the aluminum body feels solid enough to last forever.

Finally got the back focus dialed in for my imaging train with this 21mm extension. The black anodized finish matches perfectly with my other gear and fits snugly without any play.