Blue Fireball 1.25" Spacer Ring with 0.5" Extension
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New version with longer threads
Description/Uses:
- 1.25" extension ring/barrel spacer
- Provides 0.5" (12.7mm) of spacing
- Allows you to securely set or vary the spacing between 1.25" components
- Useful for making eyepieces parfocal or to change the reduction factor of focal reducers
- Has standard 1.25" filter threads (male on one side and female on the other)
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 1.25" 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) = M28.5x0.6 Male
- Length of Internal Female Thread = 0.39" (10mm)
- Thread Specification (Internal Thread) = M28.5x0.6 Female
- Maximum Outer Diameter = 1.25" (31.7mm)
- Weight = 0.2oz (6g)
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Hide Found a better Shipped Price on Frontend? | No |
New version with longer threads
Description/Uses:
- 1.25" extension ring/barrel spacer
- Provides 0.5" (12.7mm) of spacing
- Allows you to securely set or vary the spacing between 1.25" components
- Useful for making eyepieces parfocal or to change the reduction factor of focal reducers
- Has standard 1.25" filter threads (male on one side and female on the other)
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 1.25" 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) = M28.5x0.6 Male
- Length of Internal Female Thread = 0.39" (10mm)
- Thread Specification (Internal Thread) = M28.5x0.6 Female
- Maximum Outer Diameter = 1.25" (31.7mm)
- Weight = 0.2oz (6g)
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Hide Found a better Shipped Price on Frontend? | No |
Blue Fireball 1.25" Spacer Ring with 0.5" Extension # S-1B