Extension Tubes

2 inch Extension Tube 50mm

2 inch Extension Tube with 50mm.

2 inch Extension Tube 80mm

2 inch Extension Tube with 80mm.

Vixen Extension Tube R200SS (20mm)

20mm in length 42mm T2-thread and 43mm thread  Weight: 11g (0,39oz)

Vixen Extension Tube 43mm

• 40mm in length

Vixen Extension Tube VC (60 mm)

Vixen VC200L & VMC200L extension sleeve can also be used for the Vixen ED, FL, NA refractors with 60mm connection thread. The extension...

M68 Extension Tube 10mm

• Optical path length: 10mm

M68 Extension Tube 20mm

• Optical path length: 20mm

M68 Extension Tube 40mm

• Optical path length: 40mm

M68 Extension Tube 60mm

• Optical path length: 60mm

M68 Extension Tube 80mm

• Optical path length: 80mm

M68 Extension Tube 100mm

• Optical path length: 100mm

M68 Extension Tube 7.5 mm

• Optical path length: 7.5mm

M68 Spacer Rings 0.3 - 0.5 - 1 mm

M68 spacer rings : 0.3-, 0.5- & 1 mm Optical tube length : 0.3-, 0.5- & 1 mm Inner Diameter / Clear Aperture : M68 Threaded :...

Baader 2 inch ClickLock - Extension 37 mm

Baader 2 "ClickLock 37 mm extension - extending the 2" focuser of all devices to 37 mm. (useful with DSLR camera when it does not come into...

Baader 2 inch ClickLock - Extension 47mm

Baader 2 "ClickLock 47 mm extension - extending the 2" focuser of all devices to 47 mm. (useful with DSLR camera when it does not come into...

[T-2 #25A] T-2(m/f) 15mm Extension Tube

• Extension Tube
• T-2(m/f)/15mm optical length

[T-2 #25B] T-2(f/m) 40mm Extension Tube

• Extension Tube
• T-2(f/m) 40mm optical length

[T-2 #25C] T-2(f/m) 7,5mm Extension Tube

• Extension Tube
• T-2(f/m) 7,5mm optical length

[T-2 #25Y] T-2(f/m) VariLock 29 Extension Tube 20-29mm

• Extension Tube
• 20-29mm optical length

[T-2 #25V] T-2(f/m) VariLock 46 Extension Tube 29-46mm

• Extension Tube
• 29-46mm optical length

[T-2 #33] Variable locking T-2 extension (12 -14mm optical length)

• Variable T-2 extension
• 12-14mm optical length

[T-2 #5] Baader 1¼" Extension Tube – with 1¼" filter thread

• Optical path length 18.5mm