Baader Planetarium
Baader Glasspath corrector 1:1,25 for Baader-Binoviewer (2456314)
Baader Glasspath corrector 1:1,25 for Baader-Binoviewer (2456314)
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Baader Glasspath 1:1,25 corrector for Baader-Binoviewer
- Glasspathcorrector Factor 1,25. Optical path length: ≥ -30 mmInsert diameter: ∅ 38 mm
- Suitable to insert into the Baader MaxBright® II Binoviewer or Mark V Großfeld (Giant)-Binocular (#2456410)
- A Baader Glaspathcorrector is not a Barlow lens! The reason for this name (in Germany the name Glaswegkorrektor® is a protected trademark by Baader Planetarium) is only secondly the displacement of the focal point
- A Glaspathcorrector is primarily intended to correct the prismatic color fringing that occurs on Refractors due to the high amount of glasses used in binocular prisms
Original Baader descripiton below. This listing is only for the 1.25x glasspath corrector for use with Maxbright II / Mark V Binoviewers with Zeiss Ring Dovetail only.
Glasspathcorrectors for Lens telescopes, Newtonians and Schmidt-Cassegrains
A glasspathcorrector fulfills two purposes: On the one hand, it removes the colour aberrations which are caused by the prisms of the binoviewer at fast telescopes, and on the other hand does it move the focus point outwards so that you can reach focus even at telescopes with little backfocus. And you can use different glasspath correctors to achieve additional magnifications without buying a second pair of eyepieces.
Baader Glaswegkorrektor (GK) Faktor 1.25 GC Factor 1.25 / Factor 1.70 / Factor 2.60
These three glasspathcorrectors are inserted either into the binoviewer or the T-2-prism. Which one you need depends on the available backfocus. You can find information on how to determine the backfocus of your telescope in the manuals of our binoviewers. Please also note our special 2" glasspathcorrectors for Newtonians or Lens telescopes and SCTs.
The reduction of the optical length was measured with the 2" focuser of a Traveler 105mm/f6 Apochromat with a pair of 35mm ED eyepieces, the Großfeld (Giant) Binoviewer with 90° T-2 prism diagonal and the glasspathcorrectors. The measurement was done with the GC placed between prism and binoviewer. If the GC is placed in front of the prism, the optical length is reduced approximately by another 15 mm.
|
Optical Length |
without Corrector |
with GC 1:1.25 |
with GC 1:1.70 |
with GC 1:2.60 |
|
From the contact surface of the focuser – with 90° T-2 prism |
162 mm (can't reach focus) |
144 mm |
122 mm |
79 mm |
|
straight, with 2" nosepiece (without prism, important for Newtonians) |
112 mm |
94 mm |
71 mm |
28 mm |
|
straight, with T-2 quick-changer |
123 mm |
105 mm |
82 mm |
39 mm |
With these three lens systems, you can solve focus problems of almost all common telescope designs. The lens cell provides both a thread for the Zeiss dovetail of our Großfeld (Giant) Bino and the MaxBright II as well as a T-2 clamping flange for MaxBright und MaxBright II! This flange can be clamped between the male and female threaded parts of every T-2 (M 42x0.75) threaded connection. This way, you can start to experience with many accessories which you couldn't use with your telescope before.
Technical Specifications
| MANUFACTURER | Baader Planetarium |
| SKU (#) | 2456314Z |
| NET WEIGHT (KG) | 0.02 |
| OUTER CONNECTION (EYEPIECE/-CAMERA-SIDED) | M34, M42 x 0.75 (T-2) |
| MAGNIFICATION (X) | 1 : 1,25 |
| OPTICAL LENGTH (MM) | ≥ -30 |
| OPTICAL DESIGN | Glaspath Corrector |
| COMPATIBLE TELESCOPES | Refractors, Schmidt-Cassegrain, Newton |
In the Box
- Baader Glasspath 1:1,25 corrector for Baader-Binoviewer with Zeiss ring dovetail (2456314Z)
Warranty & Manuals
2-Year Warranty
User Manual
Technical Drawings
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