2" Glasspathcorrector® 1,8x for Refractors and SC's

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# 2456305

€ 180.00 Price excl. German VAT tax (19%): € 151.26

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2" Glasspathcorrector^® Factor 1,8 for Refractors and Schmidt Cassegrains - at full aperture.
Suitable to insert into the Baader Maxbright and Mark V Großfeld Binocular viewer (insert diameter: ∅ 2" - 50,8mm, incl. M48 filter thread)
You need additionally the T-2 Maxbright mirror diagonal (#2456100) and only for the Mark V Binocular a T-2 change ring (#2456320) to change to 90°. The optical lengths have to be exact so we can only recommend this combination
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

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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)

I wanted to ask if the Glasspathcorrector 1.8x for refractors, is it also a field flattener or is it only the glasspathcorrector for Newtons??
A greeting.

Question by: Rafael Segura on Apr 27, 2020 9:53:00 PM | 1 Answer(s)

What difference is there between this 1.8x glasspath corrector for refractors and Sc with the small 1.7x glasspath corrector??
Thanks.

Question by: Rafael Segura on Apr 28, 2020 6:05:00 PM | 1 Answer(s)

Could you explain to me what is the difference between 1.8X GPC and 1:1.7X GPC?
Thank you

-1

Question by: Víctor Martínez on Apr 22, 2020 12:07:00 PM | 2 Answer(s)

1.8x glass path combined with T2 Zeiss prism.
I am wondering if I can use the 1.8x glass path in front of the Baader T2 Zeiss prism + maxbright binoviewer? I see it is just recommended to be used in front of the mirror diagonal, not sure if it will perform worse in prism diagonal?

-14

Question by: Yitao Liu on Feb 8, 2017 8:49:00 PM | 1 Answer(s)

Specifications

Additional Information

EAN Code	4047825011114
Manufacturer	Baader Planetarium
SKU (#)	2456305
Weight (NETTO)	0.263
Inner Connection (lens sided)	Thread, M48
Outer Connection (lens sided)	Barrel, 2" (50,8mm)
Outer Connection (eyepiece/-camera-sided)	Thread, T-2 (M42 x 0,75)
Magnification (x)	1 : 1,80
Outer Diameter	54 mm
Barrel Size (in)	2"
Optical Design	Glaspath Corrector
compatible telescopes	Refractors, Schmidt-Cassegrain

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