Blue Fireball End Cap / Dust Plug (Internal) with SCT Male Thread
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Description/Uses:
- SCT thread end cap / dust plug with standard 2" SCT MALE thread
- Use as an end cap for SCT female threaded accessories such as diagonals, spacers, etc.
Caveats/Limitations:
- Not for use with SCT male threads like those on SCT telescopes. See item D-04 for those applications
- Not for use with items threaded for 2" astronomy filters. See M48 threaded end caps/dust plugs for those items
- Not for use with Meade or Celestron SCT focal reducers. These reducers have a recessed female thread, and the threads of this end cap are not long enough to reach and engage with the reducer threads
Features:
- Precision machined, black anodized aluminum
- Knurled on the outside for easier gripping/turning
Specifications:
- Total length = 4.5mm (0.18")
- Thread = 2" x 24TPI male SCT thread
- SCT male thread length = 2.5mm (0.1")
- Maximum diameter = 59mm (2.32")
Manufacturer part number: D-03
Other Information
- Country of Manufacture: China
Description/Uses:
- SCT thread end cap / dust plug with standard 2" SCT MALE thread
- Use as an end cap for SCT female threaded accessories such as diagonals, spacers, etc.
Caveats/Limitations:
- Not for use with SCT male threads like those on SCT telescopes. See item D-04 for those applications
- Not for use with items threaded for 2" astronomy filters. See M48 threaded end caps/dust plugs for those items
- Not for use with Meade or Celestron SCT focal reducers. These reducers have a recessed female thread, and the threads of this end cap are not long enough to reach and engage with the reducer threads
Features:
- Precision machined, black anodized aluminum
- Knurled on the outside for easier gripping/turning
Specifications:
- Total length = 4.5mm (0.18")
- Thread = 2" x 24TPI male SCT thread
- SCT male thread length = 2.5mm (0.1")
- Maximum diameter = 59mm (2.32")
Manufacturer part number: D-03
Description/Uses:
- SCT thread end cap / dust plug with standard 2" SCT MALE thread
- Use as an end cap for SCT female threaded accessories such as diagonals, spacers, etc.
Caveats/Limitations:
- Not for use with SCT male threads like those on SCT telescopes. See item D-04 for those applications
- Not for use with items threaded for 2" astronomy filters. See M48 threaded end caps/dust plugs for those items
- Not for use with Meade or Celestron SCT focal reducers. These reducers have a recessed female thread, and the threads of this end cap are not long enough to reach and engage with the reducer threads
Features:
- Precision machined, black anodized aluminum
- Knurled on the outside for easier gripping/turning
Specifications:
- Total length = 4.5mm (0.18")
- Thread = 2" x 24TPI male SCT thread
- SCT male thread length = 2.5mm (0.1")
- Maximum diameter = 59mm (2.32")
Manufacturer part number: D-03
Other Information
- Country of Manufacture: China
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Blue Fireball End Cap / Dust Plug (Internal) with SCT Male Thread


















