Blue Fireball 1.25" Eyepiece Extension Tube with 2" Extension
Sku:
PAAR-BF-X-06
Mfg #:
PAAR-BF-X-06
Item Can Ship:
Worldwide
$24.95
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(10+ Available)
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SKU:
PAAR-BF-X-06
Mfg #:
PAAR-BF-X-06
Item Can Ship:
Worldwide
Description
Description
Description/Uses:
- Adds 50.8mm (2") of back-focus travel to your telescope focuser
- Fits standard 1.25" eyepiece tubes in telescopes and accessories like diagonals
- With this, eyepieces and accessories that you may not have been able to use because your telescope tube was too short are usable again
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 1.25" astronomy filters
- Features a brass compression ring so the inserted accessory will not be scratched or dented by the locking thumbscrew
Specifications:
- Total Length = 2.91" (73.8mm)
- Outside Length of Upper 1.25" Barrel = 2" (50.8mm)
- Inside Length of Upper 1.25" Barrel (Insertion Depth) = 1.92" (48.8mm)
- Length of Lower 1.25" Barrel = 0.91" (23mm)
- Maximum Outer Diameter (Excluding Thumbscrew) = 1.5" (38mm)
- Thread Specification (Telescope End) = M28.5x0.6 Female
- Thread Specification (Thumbscrew) = M4x0.7 Male
- Weight = 1.7oz (48g)
Other Information
- Country of Manufacture: China
Description/Uses:
- Adds 50.8mm (2") of back-focus travel to your telescope focuser
- Fits standard 1.25" eyepiece tubes in telescopes and accessories like diagonals
- With this, eyepieces and accessories that you may not have been able to use because your telescope tube was too short are usable again
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 1.25" astronomy filters
- Features a brass compression ring so the inserted accessory will not be scratched or dented by the locking thumbscrew
Specifications:
- Total Length = 2.91" (73.8mm)
- Outside Length of Upper 1.25" Barrel = 2" (50.8mm)
- Inside Length of Upper 1.25" Barrel (Insertion Depth) = 1.92" (48.8mm)
- Length of Lower 1.25" Barrel = 0.91" (23mm)
- Maximum Outer Diameter (Excluding Thumbscrew) = 1.5" (38mm)
- Thread Specification (Telescope End) = M28.5x0.6 Female
- Thread Specification (Thumbscrew) = M4x0.7 Male
- Weight = 1.7oz (48g)
Read Full Description
Reviews / Q&A
Reviews / Q&A
Description
Reviews / Q&A
Description
Description/Uses:
- Adds 50.8mm (2") of back-focus travel to your telescope focuser
- Fits standard 1.25" eyepiece tubes in telescopes and accessories like diagonals
- With this, eyepieces and accessories that you may not have been able to use because your telescope tube was too short are usable again
Features:
- Precision machined from aluminum and black anodized
- Threaded to accept standard 1.25" astronomy filters
- Features a brass compression ring so the inserted accessory will not be scratched or dented by the locking thumbscrew
Specifications:
- Total Length = 2.91" (73.8mm)
- Outside Length of Upper 1.25" Barrel = 2" (50.8mm)
- Inside Length of Upper 1.25" Barrel (Insertion Depth) = 1.92" (48.8mm)
- Length of Lower 1.25" Barrel = 0.91" (23mm)
- Maximum Outer Diameter (Excluding Thumbscrew) = 1.5" (38mm)
- Thread Specification (Telescope End) = M28.5x0.6 Female
- Thread Specification (Thumbscrew) = M4x0.7 Male
- Weight = 1.7oz (48g)
Other Information
- Country of Manufacture: China
Reviews / Q&A
Blue Fireball 1.25" Eyepiece Extension Tube with 2" Extension
$24.95