Blue Fireball SCT Female Thread to M48 (2" Filter) Male Thread Adapter
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New version with longer male/female threads!
Need to connect SCT and M48 threaded astronomy telescope accessories? This Blue Fireball adapter might just be what you need. It has an SCT female thread (2"x24tpi) on one side and a standard 2" astronomy filter male thread (M48x0.75) on the other side. Manufacturer part number: C-04.
Specifications of current version shipping since Apr 2018:
- Total thickness = 11mm (0.43")
- Maximum diameter = 56mm (2.20")
- Length of SCT female thread = 6mm (0.24")
- Length of M48 male thread = 4mm (0.16")
- Optical length = 7mm (0.28")
- This version is suitable to use with threads on the rear of SC telescopes or 0.63x SCT focal reducers
Specifications of previously discontinued version sold prior to Apr 2018:
- Total thickness = 8mm
- Maximum diameter = 55mm
- Length of SCT female thread = Approx. 3mm
- Length of M48 male thread = 2.2mm
- Not recommended for use with threads on the rear of SC telescopes or 0.63x SCT focal reducers due to the short threads on this adapter.
Note: Knurl pattern may differ than what is pictured above. This is cosmetic only.
Other Information
- Country of Manufacture: China
New version with longer male/female threads!
Need to connect SCT and M48 threaded astronomy telescope accessories? This Blue Fireball adapter might just be what you need. It has an SCT female thread (2"x24tpi) on one side and a standard 2" astronomy filter male thread (M48x0.75) on the other side. Manufacturer part number: C-04.
Specifications of current version shipping since Apr 2018:
- Total thickness = 11mm (0.43")
- Maximum diameter = 56mm (2.20")
- Length of SCT female thread = 6mm (0.24")
- Length of M48 male thread = 4mm (0.16")
- Optical length = 7mm (0.28")
- This version is suitable to use with threads on the rear of SC telescopes or 0.63x SCT focal reducers
Specifications of previously discontinued version sold prior to Apr 2018:
- Total thickness = 8mm
- Maximum diameter = 55mm
- Length of SCT female thread = Approx. 3mm
- Length of M48 male thread = 2.2mm
- Not recommended for use with threads on the rear of SC telescopes or 0.63x SCT focal reducers due to the short threads on this adapter.
Note: Knurl pattern may differ than what is pictured above. This is cosmetic only.
New version with longer male/female threads!
Need to connect SCT and M48 threaded astronomy telescope accessories? This Blue Fireball adapter might just be what you need. It has an SCT female thread (2"x24tpi) on one side and a standard 2" astronomy filter male thread (M48x0.75) on the other side. Manufacturer part number: C-04.
Specifications of current version shipping since Apr 2018:
- Total thickness = 11mm (0.43")
- Maximum diameter = 56mm (2.20")
- Length of SCT female thread = 6mm (0.24")
- Length of M48 male thread = 4mm (0.16")
- Optical length = 7mm (0.28")
- This version is suitable to use with threads on the rear of SC telescopes or 0.63x SCT focal reducers
Specifications of previously discontinued version sold prior to Apr 2018:
- Total thickness = 8mm
- Maximum diameter = 55mm
- Length of SCT female thread = Approx. 3mm
- Length of M48 male thread = 2.2mm
- Not recommended for use with threads on the rear of SC telescopes or 0.63x SCT focal reducers due to the short threads on this adapter.
Note: Knurl pattern may differ than what is pictured above. This is cosmetic only.
Other Information
- Country of Manufacture: China