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8 PCS M42x0.75 Telescope Extension Tube Kit, Aluminum Alloy Focal Length Extending Rings with Anti-Reflection Threads for Astronomical Telescope Astrophotography Black 3 5 7 10 12 15 20 30mm in Kuwait

8 PCS M42x0.75 Telescope Extension Tube Kit, Aluminum Alloy Focal Length Extending Rings with Anti-Reflection Threads for Astronomical Telescope Astrophotography Black 3 5 7 10 12 15 20 30mm

KWD 11
Brand
Elictech
Category
Telescopes
– 1 +

Special Features

  • 【Wide M42x0.75 Compatibility】 – Equipped with female and male M42 threads compatible with a wide range of astronomical telescopes, reducers, and field flatteners allowing easy integration into existing astrophotography setups and accessories
  • 【8-Piece Extension Tube Set】 – Includes eight M42x0.75 telescope extension tubes in lengths 3mm (0.12"), 5mm (0.20"), 7mm (0.28"), 10mm (0.39"), 12mm (0.47"), 15mm (0.59"), 20mm (0.79"), and 30mm (1.18"). These tubes can be freely combined to extend your telescope's focal length, ensuring accurate focus and improved image quality for astrophotography.
  • 【Durable Aluminum Alloy Construction】 – Made from premium aluminum alloy with black anodized finish providing lightweight, corrosion-resistant, and long-lasting performance for repeated telescope setups and field observations
  • 【Anti-Reflection Thread Design】 – Internal matte threads reduce stray and reflected light improving clarity and sharpness of images captured during telescope astrophotography while maintaining optimal light transmission
  • 【Customizable and Adjustable Usage】 – Combine 1 to 8 extension rings to achieve precise spacing required for different telescope configurations providing maximum flexibility for amateur and professional astronomers adjusting focal length for optimal performance

Description

Description：
Enhance your astrophotography setup with this 8-piece M42x0.75 extension tube kit. Made of durable aluminum alloy with a black anodized finish, each tube includes anti-reflection threads for improved image clarity. The kit provides precise spacing with 3mm (0.12"), 5mm (0.20"), 7mm (0.28"), 10mm (0.39"), 12mm (0.47"), 15mm (0.59"), 20mm (0.79"), and 30mm (1.18") tubes—ideal for optimizing focus with reducers, flatteners, and other telescope accessories. Lightweight, corrosion-resistant, and perfect for achieving accurate focus in astrophotography.

Specifications
Condition: 100% Brand New
Material: Aluminum Alloy
Color: Black
Size: Tube lengths:
3mm (0.12")
5mm (0.20")
7mm (0.28")
10mm (0.39")
12mm (0.47")
15mm (0.59")
20mm (0.79")
30mm (1.18")
Thread: M42x0.75 Female and Male
Weight: 107g / 3.8oz

Package Included
8 x Telescope Extension Tubes (3 5 7 10 12 15 20 30mm)
Set of 8 Rings for Astronomical Telescope

Please Note
1. Ensure compatibility with your telescope and accessories before use, especially reducers and field flatteners
2. Slight color variation may occur due to monitor settings
3. Measurement tolerance ±1mm due to manual measurement

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