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M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm) in Saudi Arabia

M54x0.75 Extension Tube for Astronomical Telescope Photography, Aluminum Back Focus Spacer Adapter with Male to Female Threads for Focuser and Camera(M54*0.75-3mm)

SAR 34
Brand
Shophubio
Category
Telescopes
Weight
12 g
– 1 +

Special Features

  • [CONTENTS & SIZES] Each order contains 1 M54x75 length extension tube for telescope photography, available lengths 3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, 30mm, 40mm, 50mm to meet varying back focus requirements.
  • [M54X75 INTERNAL/EXTERNAL THREADS] Precision M54x0.75 internal and external threads enable secure connection and stacking of multiple tubes, adapters, and washers while keeping optical alignment for clear imaging.
  • [EXTENDS BACK FOCUS FOR SHARPER FOCUS] Extends the distance between lens and camera to achieve correct focus with telescopes, field flatteners, MPCCs, guide scopes and filter wheels, helping reduce vignetting at the for edges of frames.
  • [MATTE ANODIZED ALUMINUM] Anodized aluminum body with matte finished internal threads reduces internal glare and resists wear while keeping the assembly lightweight; length-dependent weight ranges approximately 5g to 200g.
  • [ASTROPHOTOGRAPHY COMPATIBILITY] Designed for telescope photography and imaging rigs; confirm your components use M54x75 threads before purchase and combine with a focuser or flattener to fine-tune spacing for better results.

Description

Features:
* Anodized aluminum with matte-finished internal threads effectively reduces glare; the Length Extension Tube features M54×0.75 internal and external threads for a secure and durability connection.
* Addresses insufficient back focus distance: This Length Extension Tube extends the distance between the lens and camera, making it suitable for telescopes, lenses, MPCCs, guide scopes, and other devices, making sure optimal focus.
* M54×0.75 internal and external threads allow for secure stacking of washers and adapters; the Length Extension Tube maintains optical alignment for clear astronomical imaging.
* Available in multiple sizes: 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm/40mm/50mm, meeting varying back focus requirements.
*Ideal for astronomical photography setups: Use the Length Extension Tube with a focuser, field flattener, or filter wheel to finely adjust the spacing for , low-vignetting images.

Specifications:
*Product Name: Length Extension Tube for Astronomical Telescope Photography
*Material: Aluminum
*Size: approx.
Internal Thread: M54 x 0.75mm
External Thread: M54 x 0.75mm
Length: 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm/40mm/50mm
*Color: Black
*Weight: approximately 5g-200g

Package Contents:
1 x Length Extension Tube

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