Alstar M42 Extension Tube Kit for Cameras and Eyepieces (5/8/10/15/20/40mm)

★★★★★ 4.5 20 reviews

US$9.52
Price when purchased online
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US$9.52
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 250297711 Release Date 2026/09/17 List Price US$9.52 Model Number 250297711
Category
  • Male thread: M42x0.75; Female thread: M42x0.75; Eliminates a range of focusing problems
  • All metal construction and anodizing aluminium process for long time use
  • 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
  • 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

ASIN B074J7Y8SL
Brand A ALSTAR
Mount Equatorial Mount
Focus Type Manual Focus
Model Name Alstar T2-Extension Tube Kit
Zoom Ratio 50x
Finderscope Reflex
Item Weight 2.6 ounces
Manufacturer A ALSTAR
Model Number SKU_AM_T2EXTK581524A
Item Highlight M42x0.75 on Both Sides, Aluminium Alloy, M42/T2 Extension Tube, Improve Focusing, Freely Combinable, Telescope Photo Adapter
Number of Items 6
Compatible Devices Camera, Camera Accessories
Additional Features Versatile length options and adaptable design for various camera and eyepiece setups, durable all-metal construction
Objective Lens Diameter 40 millimeters
Focal Length Description 15 millimeters
Manufacturer Part Number SKU_AM_T2EXTK581524A

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4.5 out of 5
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20 ratings | 8 reviews
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