Blue Fireball T Thread Spacer Ring with 10mm Extension
Product Description

Description/Uses:


- T/T2 thread extension ring/barrel spacer
- Provides 0.40" (10.1mm) of spacing *
- Allows you to securely set or vary the spacing between T thread components
- Has standard T threads (male on one side and female on the other)

Features:


- Precision machined from aluminum and black anodized

Specifications:


- Total Length = 0.6" (15mm)
- Extension Provided = 0.4" (10.1mm) *
- Length of External Male Thread = 0.16" (4mm)
- Thread Specification (External Thread) = M42x0.75 Male
- Length of Internal Female Thread = 0.21" (5.3mm)
- Thread Specification (Internal Thread) = M42x0.75 Female
- Maximum Outer Diameter = 1.81" (46mm)
- Weight = 0.5oz (14g)

Additional Information:


* To get a spacing of 10mm with this spacer, your accessory must fit completely into the female T thread of this adapter. The length of the female T thread is 5.3mm. If your accessory has a male T thread longer than this, then it will not screw in fully and the extension provided will be greater than 10mm.
Blue Fireball T Thread Spacer Ring with 10mm Extension

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Blue Fireball 2" Spacer Ring with 0.75" Extension
Product Description

Description/Uses:


- 2" extension ring/barrel spacer
- Provides 0.75" (19.1mm) 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 = 0.88" (22.5mm)
- Extension Provided = 0.75" (19.1mm)
- Length of External Male Thread = 0.08" (2.2mm)
- Thread Specification (External Thread) = M48x0.75 Male
- Length of Internal Female Thread = Greater than 0.39" (10mm)
- Thread Specification (Internal Thread) = M48x0.75 Female
- Maximum Outer Diameter = 2" (50.8mm)
- Weight = 0.5oz (14g)
Blue Fireball 2" Spacer Ring with 0.75" Extension

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