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Astronomy > Telescope accessories > Adaptors > Extension tubes > TS Optics > TS Optics Extension tube M48 17-23mm
( 5 / 5 )
Product no.: 48815

Extension tube M48 17-23mm

$ 39.90 incl. VAT plus shipping costs
in stock
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Product description

  • Extension tubes allow you to reach the perfect distance of focal point for photographic use.

This variable extension allows you to set the exact distance you need. The adjustment range is from 17 to 23 mm. The M48x0.75 thread is the usual filter thread of the 2" filters.

The sleeve consists of three parts:

  • base part with long M48 male thread
  • narrow counter ring with knurled grip
  • connecting part with female M48 thread and M48 connection

    Set the desired length with the connecting part and lock it with the counter ring.

TS Optics is a brand of Teleskop-Service.

Specifications

Capacity


Optical length (mm)
17 - 23
Connector (other end)
M48
Connection (to the telescope)
M48

General


Type
Adaptors
Type of build
Extension tube

Product safety

manufacturer: Teleskop-Service Ransburg GmbH, Von-Myra-Straße 8, 85599 Parsdorf, DE, www.teleskop-express.de
TS Optics Extension tube M48 17-23mm
TS Optics Extension tube M48 17-23mm

Customer reviews

Useful to optically fine-tune the 2" connections

Review by macoram on 05.05.2017 14:37:23

( 5 / 5 )

A very useful extension to fine-tune the 2" pathway between th telescope and the astrophotography gadgets. Together with T2 extensions between them and the camera we get an optically very stable but also very dynamic astrophotography chain with full control of vignetting and back-focus.

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