M42/M48/M54 Extension Tube Kits 3/5/7/10/12/15/20/30/40/50mm M48x0.75 on Both Sides for Astronomy Telescope Photography T Ring

M42/M48/M54 Extension Tube Kits 3/5/7/10/12/15/20/30/40/50mm M48x0.75 on Both Sides for Astronomy Telescope Photography T Ring

Feature:

Aluminum alloy material, precision technology, sturdy and durable, corrosion resistant.

Convenient to install, flexible to use, compact and portable.

Inner side with extinction treatment to avoid radiating light affecting image.

Professional manufacturing, stable characteristics and high reliability.

Fine workmanship, practical astronomical telescope accessory.

Parameter:

Item Name: Adapter Ring

Material: Aluminum

Color: Black

Internal Thread: M42 x 0.75mm/M48 x 0.75mm/M54 x 0.75mm

External Thread: M42 x 0.75mm/M48 x 0.75mm/M54 x 0.75mm

Height: 3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,12mm,15mm,20mm,30mm,40mm,50mm

Application: Extension tube for telescope photography

Package:

1 x M42 Extension Tube Kits A (3/5/7/10/12/15/20/30mm) or

1 x M48 Extension Tube Kits A(3/5/7/10/12/15/20/30mm) or

1 x M42 Extension Tube Kits B(3/5/7/10/12/15/20/30/40/50mm) or

1 x M48 Extension Tube Kits B(3/5/7/10/12/15/20/30/40/50mm) or

1 x M54 Extension Tube Kits A(4/5/6/7/8/9mm) or

1 x M54 Extension Tube Kits B(4/5/6/7/8/9/10/15/20mm) or

1 x M54 Extension Tube Kits C(4/5/6/7/8/9/10/15/20/30mm)

1 x M54 Extension Tube Kits D(4/5/6/7/8/9/10/15/20/25/30mm) or

1 x M54 Extension Tube Kits E(4/5/6/7/8/9/10/11/12/13/15/20/22/25/28/30mm).

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