Blue Fireball 2" Short Nosepiece / M48x0.75 Spacer Ring with 12.7mm (0.5") Extension

This item is discontinued by the manufacturer and is no longer available.
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Description/Uses:
- 2" extension ring/barrel spacer
- Provides 0.5" (12.7mm) of spacing
- Allows you to securely set or vary the spacing between 2" components
- Useful for making eyepieces parfocal or to change the reduction factor of focal reducers
- Has standard 2" filter threads (male on one side and female on the other)
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 2" astronomy filters
Specifications:
- Total Length = 0.62" (15.7mm)
- Extension Provided = 0.5" (12.7mm)
- Length of External Male Thread = 0.12" (3mm)
- Thread Specification (External Thread) = M48x0.75 Male
- Length of Internal Female Thread = 0.39" (10mm)
- Thread Specification (Internal Thread) = M48x0.75 Female
- Maximum Outer Diameter = 2" (50.8mm)
- Weight = 0.3oz (9g)
Other Information
- Country of Manufacture: China
Description/Uses:
- 2" extension ring/barrel spacer
- Provides 0.5" (12.7mm) of spacing
- Allows you to securely set or vary the spacing between 2" components
- Useful for making eyepieces parfocal or to change the reduction factor of focal reducers
- Has standard 2" filter threads (male on one side and female on the other)
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 2" astronomy filters
Specifications:
- Total Length = 0.62" (15.7mm)
- Extension Provided = 0.5" (12.7mm)
- Length of External Male Thread = 0.12" (3mm)
- Thread Specification (External Thread) = M48x0.75 Male
- Length of Internal Female Thread = 0.39" (10mm)
- Thread Specification (Internal Thread) = M48x0.75 Female
- Maximum Outer Diameter = 2" (50.8mm)
- Weight = 0.3oz (9g)
Description/Uses:
- 2" extension ring/barrel spacer
- Provides 0.5" (12.7mm) of spacing
- Allows you to securely set or vary the spacing between 2" components
- Useful for making eyepieces parfocal or to change the reduction factor of focal reducers
- Has standard 2" filter threads (male on one side and female on the other)
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 2" astronomy filters
Specifications:
- Total Length = 0.62" (15.7mm)
- Extension Provided = 0.5" (12.7mm)
- Length of External Male Thread = 0.12" (3mm)
- Thread Specification (External Thread) = M48x0.75 Male
- Length of Internal Female Thread = 0.39" (10mm)
- Thread Specification (Internal Thread) = M48x0.75 Female
- Maximum Outer Diameter = 2" (50.8mm)
- Weight = 0.3oz (9g)
Other Information
- Country of Manufacture: China
