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Focal Length Extension Tube Kit, 3 5 7 10 12 15 20 30mm Extending Ring Eliminate Redundant Light Focus Extending Ring Kit for Astronomical Telescope Photography

KWD 9
Brand
HERCHR
Category
Telescopes
Weight
107 g
– 1 +

Special Features

  • ELIMINATE FOCUSING PROBLEMS: metal extension tubes with M48 female and M48 male threads are used to solve spacing problems in astrophotography, eliminating a series of focusing problems and improving the clarity of your telescope's imaging
  • DIY VARIABLE COMBINATION: Extension tubes are available in heights of 3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, and 30mm, and the desired spacing can be achieved by combining several different lengths of extension rings, you can use 1, 2, 3, or 8 extension rings according to your needs
  • ELIMINATE EXTRA LIGHT: Astronomical telescope M48 threaded extension tube with internal thread design allows you to eliminate stray light and reflected light inside the lens when using the telescope, making the observed image clearer
  • COMPATIBILITY: The versatile extension tubes allow you to get the correct image scale or precise distance needed for your reducer or field level. The length extension tube kit is compatible with a variety of astronomical telescopes, you can choose the accessories according to the actual needs
  • ALUMINUM ALLOY MATERIAL: Featuring an all-metal construction and anodized aluminum process, the Focus Extension Tube Kit allows you to get the correct image ratio or precise distance needed for your reducer or field leveler

Description

Item Type: Focal Length Extension Tube Kit
Material: Aluminum Alloy
Gross Weight: 107g / 3.8oz
Extension Tube Height: Approx.3mm / 0.1in, Approx.5mm / 0.2in, Approx.7mm / 0.3in, Approx.10mm / 0.4in, Approx.12mm / 0.5in, Approx.15mm / 0.6in, Approx.20mm / 0.8in, Approx.30mm / 1.2in
Thread: M48X0.75
Use: for Astronomical Telescope Photography

Package List：
8 x Extending Ring

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