Alstar M48 extension tube kit for cameras and eyepieces
M48 extension tube set with multiple lengths to adjust image spacing in astrophotography. All-metal construction with anodized aluminium; allows combining pieces to achieve desired spacing for reducers or field flatteners. Durable and modular for precise image scale control
Highlights
- m48x0.75 internal and external threads
- all-metal, anodized aluminium
- compatibility with various extender lengths
Pros
- modular extension pieces for customizable spacing
- all-metal construction with anodized coating
- fits M48x0.75 male and female threads
- multiple length options (5mm, 8mm, 10mm, 20mm, 30mm)
Cons
- requires compatible M48 threading on gear
- no customer insight details
- assembly may involve multiple pieces
Best For
Features
- M48x0.75 interior and exterior threads on both ends for spacing in astrophotography
- Configurable spacing by combining 1–4 extension pieces of varied lengths
- Enables correct image scale for reducers or field flatteners
- Male and female M48x0.75 threads; supports precise focusing adjustments
- All-metal construction with anodized aluminum for durable use
