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TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length

TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length
TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length
TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length
TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length
TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length
TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length
TS-Optics 2 inch (M48) Extension Tube with Double Sided 2-inch Filter Thread - 30mm Length
£26.40
Ex Tax: £22.00
  • Stock: 3
  • Model: TSVF230
  • Shipping Weight: 0.15kg
  • SKU: TSVF230
  • GTIN: 0702403409090
  • MPN: TSVF230
  • Location: D6A4-1

This adapter is proven to be valuable in many areas of astronomy. This extension tube has to be screwed into a filter thread of a 2" eyepiece or a 2" adaptation and therefore will extend the barrel by 30mm.

On the telescope side you are able to adapt a Filterthread or even a further Extension Tube. So you are able to extend the barrel user defined without reducing the fitting accuracy instead of using barrels that are wobbling.

Specifications:

  • Barrel made of metal
  • Black anodized
  • Double sided with 2" filter thread (M48x0.75)
  • Optical Length is 30mm
  • Female M48 thread length: 5mm

Available sizes:


An optional additional accessory is the 2" CCD locking ring (parfocalizing ring). The locking ring will be imposed over the barrel and will be fixed in a special position with grub screws. So you will always be able to reach a repetitious focal position.

A special adapter combination: if you combine this extension tube with our TSM48-T2 adapter you get a prime focus adapter from 2" to T2 without a stopping flange and without a safety undercut. According to our experience safety undercuts often do not work well with focusers with a compression ring. The effective optical length of this adaptation is zero, so it is ideal for applications with a critically short back focus distance, e.g. a Newtonian or Dobsonian telescope with a 2" focuser!  

Adapor M48 female to T2 male, with 2 prime focus adaptor 2
Image shows TSVF230 and TSM48-T2 adapter When combined, these two adapters form a zero profile 2" nosepiece-T2 adapter

 

General Information
Weight in Kg0.15

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