3 mm EXTENSION WITH M48 - 2

3 mm EXTENSION WITH M48 - 2" FILTER THREAD AND 2" DIAMETER

3 mm EXTENSION WITH M48 - 2" FILTER THREAD AND 2" DIAMETER

TS-OPTICS

The extension tube extends an adapter with M48x0.75 thread by 3 mm.

Available Upon Request

Available Upon Request

This category includes products which are not kept in stock and for some reasons -which don’t depend on our company- can’t be available in less than 14 days. Specifically, this category includes new products thar are pre-advertised by manufacturers, however they are not available in Greece yet. You can pre-order these items with a special preferential price. If the estimated arrival date of this product is already known, then the estimated date will be written above the indication “AVAILABLE UPON REQUEST”.

Availability: In stock
SKU
TSVF203

3 mm EXTENSION WITH M48 - 2" FILTER THREAD AND 2" DIAMETER


The extension tube extends an adapter with M48x0.75 thread by 3 mm.

  •  Barrel made of metal
  • Black anodized
  • Double sided 2" filter thread (M48x0.75) - male/female
  • Optical path is 3 mm
  • The outer diameter of the adapter is is exactly 2" - fits into the 2" receptacle of focusers or adapters
  • M48x0.75 female thread length: 2.5 mm


This adaptation has proven itself in many areas of astronomy. The extension tube is simply screwed into the M48 filter thread from 2" eyepieces or 2" adapters and therefore will extend the barrel. Thus the fitting accuracy of an adapter can be improved.

These tube is also important for astrophotography when the correct distance between corrector and camera sensor is concerned. Here, often just a few millimetres are critical.

  • Material: Barrel made of metal
  • Color: black anodized
  • Thread: double sided 2" filter thread (M48x0.75) - female/male
  • Length: 3 mm without the male thread
  • M48 female thread length: 2.5 mm
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