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2" Glasspathcorrector® 1,7x for Newtons

2" Glasspathcorrector® 1,7x for Newtons

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# 2456300

€ 190.09 Price excl. German VAT tax (16%): € 163.87

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2" Glasspathcorrector^® Factor 1,8 for Newtons - at full aperture with integrated Coma-Corrector
Suitable to insert into the Baader Maxbright and Mark V Großfeld Binocular viewer (insert diameter: ∅ 2" - 50,8mm, incl. M48 filter thread)
A Baader Glaspathcorrector^® is not a Barlow lens! The reason for this name 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
Includes 1x Baader Molded Plastic Cap T-2 for Zeiss Quick Changer (#2904020, € 4,38)

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Product Questions

My 1.8x glass path corrector appears out of collimation on f/5 while the 1.7x works perfectly.
I have the following: Baader 2" glass path corrector for refractors, SC and other systems. Extension factor 1.8x.

I have tested it with various diagonals and in 3 high quality refractors with my Mark V Binoviewer.

Everything looks good in my 180mm F7 and 101mm Petzval F5.4 refractors. But in my 140mm Petzval F5 refractor the stars appear out of collimation on regular stars as well as on an artificial star tested indoors. When I replace the 1.8X GPC with the smaller 1.7X GPC or 2.6X GPC everything looks good. The scope has perfect collimation. However, when I use the 1.8X GPC something is out. It doesn't really make sense so I am wondering if you know what might be the problem. Perhaps F5 is too fast for the 1.8X GPC. Is that correct or could it be something else I am overlooking?

Question by: Kent on Sep 19, 2016 3:39:00 PM | 1 Answer(s)

Is it possible to stack GPC's without losing image quality?

For example, a 1,25x or 1,70 GPC on top of the 1,7x newtonian GPC with a Mark V binoviewer. That would give a nice flexibility.

Question by: Saul on Jan 18, 2017 11:53:00 PM | 1 Answer(s)

Specifications

Additional Information

EAN Code	4047825011145
Manufacturer	Baader Planetarium
SKU (#)	2456300
Weight (kg)	0.276
Inner Connection (lens sided)	Thread, M48
Outer Connection (lens sided)	Barrel, 2" (50,8mm)
Inner Connection (eyepiece/-camera-sided)	Dovetail ring clamp, T-2 (M42 x 0,75)
Magnification (x)	1,7x
Outer Diameter	54 mm
Optical Design	Glaspath Corrector
compatible telescopes	Newton

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