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Alstar M42X0.75 Female to M42X0.75 Female Thread Telescope Adapter - 9mm

4.4 (8) Write Review
Free shipping on orders over $29.99

$15.59

$ 7 .99 $7.99

In Stock

About this item

  • All metal construction and anodizing aluminium process; resistant for long time use
  • M42X0.75 female thread on both sides
  • Converts an M42X0.75 male thread to a M42X0.75 female thread
  • Makes it possible to attach M42X0.75 male thread and M42X0.75 male thread accessories together; Such as you can upgrade your R/P focuser by adding 1.25 inch High Precision Double Helical Focuser; if there is M42X0.75 male thread on the R/P focuser
  • This is a very good quality anodized aluminum adapter


Product Description

  • M42X0.75 female thread on both sides.
  • This is a very high quality anodized aluminum adapter.
  • Converts an M42X0.75 male thread to a M42X0.75 female thread.
  • All metal construction and anodizing aluminium process, resistant for long time use.
  • Makes it possible to attach M42X0.75 male thread and M42X0.75 male thread accessories together. Such as, you can upgrade your R&P focuser by adding "Alstar 1.25" High Precision Double Helical Focuser" to the end of the R&P focuser, if there is M42X0.75 male thread on the R&P focuser this adapter will play very important part in connecting "Alstar 1.25" High Precision Double Helical Focuser"and R&P focuser.

Steve
2025-08-25 11:37:49
Just what I needed for my telescope
Dean Koepke
2025-08-16 20:02:50
Used Alstar M42X0.75 Female to M42X0.75 Female (B074J1QS85), M48 to M42 T2 Adapter (B0C47P799G), and Astromania M48X0.75 (2" Filter) Female to M42X0.75 T / T2 Male (B01DIRJ72I) to connect a 2-inch item into a T2 pipeline.
Sean
2025-07-14 16:23:09
Get what you expect
J. Schultz
2025-05-22 17:15:50
As note din the title, I wanted to connect my ASI1600mm Pro to a Lunt 100mm solar telescope. This adapter worked fine. No problems.
Steve
2025-04-18 15:56:14
Just what I needed for my telescope
Dean Koepke
2025-04-07 17:41:42
Used Alstar M42X0.75 Female to M42X0.75 Female (B074J1QS85), M48 to M42 T2 Adapter (B0C47P799G), and Astromania M48X0.75 (2" Filter) Female to M42X0.75 T / T2 Male (B01DIRJ72I) to connect a 2-inch item into a T2 pipeline.
Sean
2025-04-06 11:08:55
Get what you expect
J. Schultz
2024-11-25 17:15:04
As note din the title, I wanted to connect my ASI1600mm Pro to a Lunt 100mm solar telescope. This adapter worked fine. No problems.
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