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© Baader Planetarium GmbH | 2020

5

Optional Accessories

Glassspath Correctors (GC)

A Baader Glasspath Corrector (GC) fulfills two 
critical roles. Firstly, it corrects the glass path – 
that's the amount of glass through which light 
passes on its way through the prisms and which 
causes chromatic aberrations (colour errors) with 
fast telescopes. Secondly, the GC magnifies the 
focal length and moves the focal point of the 
main telescope. You will find more information 
about choosing the right compensator in the ad-
dendum starting at page 20. 
The GCs with a Z in the part number are for use 
with the Zeiss microbayonet. They are inserted 
"upside down", directly into the binoviewer.

Part Number 

Factor 

Focus gain

# 2456314

 / 

# 2456314Z

  1,25x 

ca. 20 mm

# 2456316

 / 

# 2456316Z

  1,7x 

ca. 35 mm

# 2456317

 

2,6x 

ca. 65 mm

# 2456300

 

1,7x 

ca. 80 mm – 2" Glasspath Corrector for Newton, 

 

 

to attach to the Zeiss microbayonet

# 2456305

 

1,8x 

ca. 80 mm – 2" Glasspath Corrector for Refractors  

 

 

and Schmidt-Cassegrains. Requires 

 

 

T-2 Maxbright mirror star diagonal 

# 2456100

# 2456300

1,7x GC and  

coma corrector for  

Newtonians

# 2456305

1,8x GC for Refrac-

tors and Schmidt-

Cassegrain

# 2458105

1

¼

" nosepiece

# 2408150

2" nosepiece

T-2 Glasspath Corrector  

Factor 1.25 

# 2456314(Z)

T-2 Glasspath Corrector  

Factor 1.7 

# 2456316(Z)

T-2 Glasspath Corrector  

Factor 2.6 

# 2456317

GCs to be inserted 

into star diagonals 

or MaxBright II 

body

1¼" and 2" Nosepieces

A T-2 nosepiece in 1¼" (31,8mm, 

# 2458105

or 2" (50,8 mm, 

# 2408150

) is used to 

connect the binoviewer either through the 
pre-installed T-2 coupling nut or the optional 
TQC quick changer with a focuser/eyepiece 
clamp. They can also be used to use a T-2 
star diagonal at 1¼" or 2" focusers.

Summary of Contents for MAXBRIGHT II

Page 1: ...e you with a lifetime of amazing views To ensure optimal performance please read this instruction manual before using your binoviewer BAADER PLANETARIUM ZurSternwarte4 D 82291Mammendorf Tel 49 0 8145...

Page 2: ...Diagonal 12 Option 2 Assembly with a 1 or 2 Nosepiece without Star Diagonal 13 Assembly with Zeiss Microbayonet 14 Option 1 Assembly with a T 2 Star Diagonal 14 Option 2 Assembly without Star Diagona...

Page 3: ...remove colour aberration which will occur because of the long light path through the glass prisms in the binoviewer if it is used with fast telescopes with focal ratios between f 4 and f 7 because of...

Page 4: ...ble T 2 Coupling Nut pre mounted 3 Zeiss microbayonet dovetail ring 4 Spanner tool to fix T 2 adapter or Zeiss Microbayonet to the bino viewer 5 ABS hard top case with compartment for a T 2 star diago...

Page 5: ...20 mm 2456316 2456316Z 1 7x ca 35 mm 2456317 2 6x ca 65 mm 2456300 1 7x ca 80 mm 2 Glasspath Corrector for Newton to attach to the Zeiss microbayonet 2456305 1 8x ca 80 mm 2 Glasspath Corrector for R...

Page 6: ...diagonal 36 mm Zeiss Prism 38 5 mm wit BBHS coating 2456130 T 2 90 Baader Astro Amici Prism with 48 mm BBHS coating for upright images 2456103 Baader T 2 BBHS star diagonal mirror 43 mm 2458055 FlipM...

Page 7: ...m diagonal with 2 ClickLock clamp 2456117 Part Number Name Optical Length 2956100 Baader 2 ClickLock Mirror Diagonal 71 5 mm 2456115 Baader 2 BBHS Mirror Diagonal 71 5 mm 2456117 Baader 2 BBHS Prism D...

Page 8: ...bodies small locking screws and a generally lightweight construction are inadequate to safely hold heavy accessories like a binoviewer Unfortunately it s quite common to hear about heavy and expensive...

Page 9: ...iameter for example the Pentax XW you may have problems reaching the correct separation between the two eyepieces if the interpupillary distance between your eyes is less than 60 mm For observing the...

Page 10: ...Universal Zoom Mark IV eyepieces are made so that they provide the best sharpness and the largest field of view at the highest magnification Simple zoom eyepieces are designed the other way round Tha...

Page 11: ...an object close the right eye and look into the left eyepiece Using the telescope s focus mechanism adjust until the image is sharp 3 Close the left eye and with the right eye look into the right eye...

Page 12: ...you simply screw one of the GCs 2456314 2456316 or 2456317 into the star diagonal without the centering plastic ring which is included with the glasspath corrector Our star diagonals provide a matchi...

Page 13: ...with the glass path corrector to the binoviewer Rotate the counter nut until the nosepiece holds tight 4 Now put the binoviewer into the focuser of your telescope and secure it 5 Remove the dust cover...

Page 14: ...o 1 25x and 1 7x glasspath correctors are moun ted into the dovetail at the binoviewer The 2 6x glasspath corrector is inserted into the T 2 star diagonals as shown here 2 6x GC 1 25x 1 7x GC Remove t...

Page 15: ...r with several telescopes The two glasspath correctors with factor 1 25x and 1 7x can be screwed into the ring dovetail as described for option 1 Then you can use the TQC quickchanger 2456313A to conn...

Page 16: ...he TQC QuickChanger and insert the eyepieces PLEASE NOTE This GC is inserted deeply into the telescope therefore it can only be used with Schmidt Cassegrains with a sufficiently large baffle or at tel...

Page 17: ...to permit safe high resolution observation and imaging of the solar photosphere As the Herschel Solar Prism does not have T 2 threads on the top a T 2 2 adapter ring 1508035 is required Inserting the...

Page 18: ...crewed directly into the binoviewer without the black plastic ring The 2 6 glasspath corrector must be put into the SC T 2 adapter 1508035 together with the black spacer ring It is locked in place by...

Page 19: ...2 very compact and protected from accidental removal To do so you have to remove the T 2 counter nut or the Zeiss microbayonet The shortest possible adaptation can be achieved with the prism diagonal...

Page 20: ...the focal point well past the focuser surface a larger secondary mirror would be required or at least moving the primary mirror up the tube which of course creates its own issues too This increases th...

Page 21: ...lengths are approximate values allow for some variation e g for diopter adjustment Some telescopes don t have enough back focus for any of our glasspath correctors Try to avoid 2 star diagonals becau...

Page 22: ...selecting the matching Glasspath Correctors you need to measure the back fo cus of your telescope first as described in the previous chapter Table 1 on the previ ous page then tells you which compensa...

Page 23: ...lly the glass surfaces of your binoview er will not require anything more than a burst of clean air from a blower bulb in order to remove dust Avoid touching the optical window lens or the prisms insi...

Page 24: ...5 www baader planetarium com kontakt baader planetarium de www celestron de G M B H 2020 Baader Planetarium All Rights reserved Products or instructions may change without notice or obligation Images...

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