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 6 of 9 
Orion Telescopes
Coronado SolarMax III 1.25" Adapter
Accepted Payment
In Stock
  • 1.25" threaded nosepiece adapter for SolarMax III 10mm or 15mm blocking filters
  • Allows connection of your 2" SolarMax III Blocking filter to a 1.25" focuser
  • Useful for telescopes that only have a 1.25" focuser, not 2"
  • Useful when swapping your SM III system between different telescopes with different size focusers
  • Note: this adapter CANNOT be used with a BF30 blocking filter

Learn more
Item #  55898
Mfg Model #  624018

The Coronado SolarMax III blocking filters come standard with a long 2" diameter nosepiece. This 1.25" threaded adapter converts the 2" blocking filter to a 1.25" nosepiece so the blocking filter can be used with 1.25" focusers. Simply unthread the 2" nosepiece and thread the 1.25" adapter onto the blocking filter. Includes threaded M45x0.75 threaded connection to attach to the #624015 or #624016 Coronado blocking filter.

Note: The BF30 blocking filter utilizes several filters that are internal to the 2" nosepiece section. Therefore, this adapter CANNOT be used with the Coronado 30mm blocking filter. Do not attempt to use the BF30 diagonal without its included 2" nosepiece present.

Designed and Manufactured in North America.

SolarMax III 1.25" adapter

Orders received by 1pm Eastern Standard Time for in-stock items ship the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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