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M42 Extension Ring (2") - 40mm evolution Sun Viewfinder

M42 Extension Ring (2") - 40mm evolution Sun ViewfinderThis 40mm extension tube is very helpful if your focuser doesn't have enough back focus, particularly in astrophotography where back focus is critical. Spec: Material: Barrel made of black anodized metal Telescope side: T2 female thread (M42x0. 75) Camera side: T2 male thread (length 4 mm) Optical path length: 40mm excl. male thread

SKU: 70036678981 · From southroadsurgery.com.au

4.0
USD20.21 USD66.21

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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

Description

Sun Viewfinder

Optical length: 30 mm

25mm eyepiece

Maksutovs and Schmidt-Cassegrains have spherical mirrors and need correctors for making a large field usable

Total height: 510 mm

M42 Extension Ring (2") - 40mm evolution Sun ViewfinderThis 40mm extension tube is very helpful if your focuser doesn't have enough back focus, particularly in astrophotography where back focus is critical. Spec: Material: Barrel made of black anodized metal Telescope side: T2 female thread (M42x0. 75) Camera side: T2 male thread (length 4 mm) Optical path length: 40mm excl. male thread

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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