Alstar M42 Extension Tube Kit for Cameras and Eyepieces (8/15/20/40mm)

★★★★★ 4.5 121 reviews

US$10.40
Price when purchased online
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US$10.40
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 250297931 Release Date 2026/09/17 List Price US$10.40 Model Number 250297931
Category
  • The required spacing can be achieved by combining several extenders of differing lengths; you can use 1 piece; 2 pieces; 3 pieces or 4 pieces of the extension rings as you like
  • Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
  • The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography
  • All metal construction and anodizing aluminium process for long time use
  • Male thread: M42x0.75; Female thread: M42x0.75; Eliminates a range of focusing problems
ASIN B07GZLLXKL
Brand A ALSTAR
Focus Type Manual Focus
Model Name M42 Extension Tube Kit
Finderscope Reflex
Item Weight 2.6 ounces
Manufacturer A ALSTAR
Model Number SKU_AM_T2EXTK81524A2
Item Highlight M42x0.75 on Both Sides, Aluminium Alloy, M42/T2 Extension Tube, Improve Focusing, Freely Combinable, Telescope Photo Adapter
Number of Items 1
Compatible Devices Camera
Additional Features All metal construction and anodizing aluminium process
Warranty Description 2 Year
Focal Length Description 40 millimeters
Manufacturer Part Number SKU_AM_T2EXTK81524A2
Item Dimensions D x W x H 1.2"D x 5.3"W x 10"H

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4.5 out of 5
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121 ratings | 50 reviews
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