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Lens Extension Tubes Aluminum Alloy Adapter Set CNC Technology for Astronomical Telescope Photography Black 8PCS 3mm to 30mm

KWD 7.500
Brand
Generic
Category
Telescopes
Weight
88 g
– 1 +

Special Features

  • [Easy Installation and Performance] Designed for seamless installation, these lens extension tubes are the replacement for old or damaged ones. their construction ensures consistent performance, making them a dependable choice for both amateur and professional photographers.
  • [Versatile Size Options] Available in multiple sizes including 3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, and 30mm, these lens extension tubes cater to different and needs. this variety ensures you can find the fit for your specific equipment, enhancing flexibility and functionality.
  • [Universal Thread Specifications] Featuring both female and male thread specifications of m42x0.75mm, these lens extension tubes are compatible with a wide range of devices. this universal design makes them versatile and suitable for various applications in photography and astronomy.
  • [ Cnc Technology] Utilizing fine workmanship cnc technology, these lens extension tubes offer higher accuracy and durability. the precise manufacturing process ensures a fit and smooth , enhancing the overall performance of your equipment.
  • [High Quality Aluminum Alloy] Crafted from premium aluminum alloy, these lens extension tubes are wear- and built to last. the material ensures they can withstand frequent use without damage, providing long-lasting reliability for all your photography needs.

Description

1. Easy to install, replacement for the old or damaged one, to use.
2. Made from aluminum alloy, which is wear‑ and not easy to damage.
3. Using fine workmanship CNC technology, the accuracy is higher, .
4. The female thread specification of the interface is M42x0.75mm, the male threadspecification is M42x0.75mm.
5. Various sizes of 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm are suitable for different .

Specification:
Item Type: Lens Extension Tubes
Material: Aluminum Alloy
Color: Black
Product Size: Approx.3mm / 0.12in, 5mm / 0.20in, 7mm / 0.28in, 10mm / 0.39in, 15mm / 0.59in, 20mm / 0.79in, 30mm / 1.18in, 12mm / 0.47in
Application: Extend the length of the primary mirror of the astronomical telescope
Extinction Treatment: Internal with extinction thread
Interface Female Thread Specification: M42x0.75mm
Interface Male Thread Specification: M42x0.75mm

How to Use:
1. Remove the objective lens.
2. Connect the telephoto tube to the eyepiece and the objective lens.
3. Then connect the objective lens.

PackageList:
1 x 3mm Extension Tube
1 x 5mm Extension Tube
1 x 7mm Extension Tube
1 x 10mm Extension Tube
1 x 12mm Extension Tube
1 x 15mm Extension Tube
1 x 20mm Extension Tube
1 x 30mm Extension Tube

Notice:
1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

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