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Double Helical Focuser:
- High Precision double helical focuser for guider scope / finder scope Interface
- The solution for telescopes or telephoto lenses with sluggish focusing
- Item was made by Full metal, durable
- Accuracy: 0.05mm
- Interface: 1.25 inch w/ M42*0.75 male thread
- Primary Mirror Interfaces: M36X1
- Focusing stroke: 10mm
- Minimum length: 43mm
- Longest length: 53mm
- Net Weight: 100g
1.25" Adapter:
- High quality 1.25" convertor for telescopes
- Full metal Material
- Interface: M36x01 Male thread
- Primary mirror interfaces: 1.25 inch w/ M28x0.75 Female thread
- Color: Black
