Blue Fireball 2" Spacer Ring with 0.25" Extension
This item is discontinued by the manufacturer and is no longer available.
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New version with longer threads
Description/Uses:
- 2" extension ring/barrel spacer
- Provides 0.25" (6.4mm) 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 = 0.39" (9.4mm)
- Extension Provided = 0.25" (6.4mm) *
- Length of External Male Thread = 0.12" (3mm)
- Thread Specification (External Thread) = M48x0.75 Male
- Length of Internal Female Thread = 0.20" (5mm)
- Thread Specification (Internal Thread) = M48x0.75 Female
- Maximum Outer Diameter = 2" (50.8mm)
- Weight = 0.2oz (6g)
Additional Information:
* To get a spacing of 0.25" with this spacer, your accessory must fit completely into the female 2" thread of this adapter. The length of the female T thread is only 0.20". If your accessory has a male 2" thread longer than this, then it will not screw in fully and the extension provided will be greater than 0.25".
Other Information
- Country of Manufacture: China
New version with longer threads
Description/Uses:
- 2" extension ring/barrel spacer
- Provides 0.25" (6.4mm) 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 = 0.39" (9.4mm)
- Extension Provided = 0.25" (6.4mm) *
- Length of External Male Thread = 0.12" (3mm)
- Thread Specification (External Thread) = M48x0.75 Male
- Length of Internal Female Thread = 0.20" (5mm)
- Thread Specification (Internal Thread) = M48x0.75 Female
- Maximum Outer Diameter = 2" (50.8mm)
- Weight = 0.2oz (6g)
Additional Information:
* To get a spacing of 0.25" with this spacer, your accessory must fit completely into the female 2" thread of this adapter. The length of the female T thread is only 0.20". If your accessory has a male 2" thread longer than this, then it will not screw in fully and the extension provided will be greater than 0.25".
New version with longer threads
Description/Uses:
- 2" extension ring/barrel spacer
- Provides 0.25" (6.4mm) 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 = 0.39" (9.4mm)
- Extension Provided = 0.25" (6.4mm) *
- Length of External Male Thread = 0.12" (3mm)
- Thread Specification (External Thread) = M48x0.75 Male
- Length of Internal Female Thread = 0.20" (5mm)
- Thread Specification (Internal Thread) = M48x0.75 Female
- Maximum Outer Diameter = 2" (50.8mm)
- Weight = 0.2oz (6g)
Additional Information:
* To get a spacing of 0.25" with this spacer, your accessory must fit completely into the female 2" thread of this adapter. The length of the female T thread is only 0.20". If your accessory has a male 2" thread longer than this, then it will not screw in fully and the extension provided will be greater than 0.25".
Other Information
- Country of Manufacture: China