Brand: Baader Planetarium

Baader Planetarium 1 1/4"-Filterholder for T-2 and 2" filter threads - 1508031

1508031

Brand: Baader Planetarium

Baader Planetarium 1 1/4"-Filterholder for T-2 and 2" filter threads - 1508031

1508031

  • 1 1/4" filter holder, to use smaller filters or other parts (barlow lenses, reducers) with 1 1/4" filter thread in the path of light
  • Consists of:
  • - Baader T-2 Conversion Ring (#2958110)
  • - Baader Double T-Filterholder 1 1/4" (#1508030)
  • - T-2 Fine-Adjustment ring 1mm (gold) - Aluminium (#2457913)
  • - Baader Expanding Ring T-2f / M48m (T-2 part #29) (#2458110)
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$92.00 USD

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Special Order
$92.00 USD

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Product Description

Time and again it happens that a 1.25" filter or another part (Barlow lenses, reducers) with a 1 1/4" filter thread has to be mounted in the path of light of a larger telescope. This is the purpose of this filter holder, which consists of the four components:

The Double T-Filterholder accepts common 1 1/4" filters, as well as, for example, the Q-Barlow lens (please note that this Barlow can only be screwed in about a quarter turn due to technical production characteristics).

When combined with the T-2 Conversion Ring, you get a filter holder that can be screwed between any two T-2 part and has an overall length of 10 mm. In combination with parts with 3 mm long T-2-threads, it sits flush; for parts with 5 mm long threads, a T-2 Fine-Adjustment ring 1mm (gold) – Aluminum #2457913 is also included so that all components sit flush against each other. This allows 1.25" filters or Barlow lenses/reducers with standard 1 1/4" filter threads to be permanently inserted even in front of accessories that are screwed to the telescope via T-2 threads to prevent them from tilting - be it heavy eyepieces, cameras with filter wheels or an ADC. By installing the filter holder facing one side or the other to the telescope, the distance from filter/barlow to camera/eyepiece can also be changed a little bit.

With the Expanding Ring T-2f / M48m, the adapter can also be used in any 2" filter thread. Although this leads to vignetting on long focal length wide-angle eyepieces, it allows, for example, the use of a 1.25" filter (or a Blaze grating) on 2" eyepieces or on cameras with a fixed 2" filter thread (and a sufficiently small sensor) on which the Baader 1 1/4" / T-2 plug-in connection with Safety Kerfs #2458106 cannot be used or if a screw connection to the telescope is preferred.

Specifications

SKU (#) 1508031
EAN Code 4047825056702

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