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V

isual / 

P

hoto

P

hoto only

Available in the following versions:

• Visual

 

# 2956510

V

 

with 7.5nm Solar Continuum Filter 
and ND 3.0 Neutral Density Filter

• Photo 

# 2956510

P

 

with 7.5nm Solar Continuum Filter 
and ND 3.0/1.8/0.9/0.6 Filters

BAADER PLANETARIUM

Zur Sternwarte 4 • D-82291 Mammendorf • Tel. +49 (0) 8145 / 8089-0 • Fax +49 (0) 8145 / 8089-105

www.baader-planetarium.com  • [email protected] • www.celestron.de

G

M

B

H

BAADER

MARK

HERSCHEL PRISM

Cool-Ceramic Safety

Instruction Manual  

and Application Examples

Congratulations on your purchase of the Cool Ceramic Safety (CCS) Herschel Prism 
Mark II. It can give you a lifetime of stunning images if you use it correctly. 
For your own safety when observing the sun and for best results, we recommend that you 
spend a few minutes reading this instruction manual before using your Herschel prism.
The Herschel prism is available in a visual version (

# 2956510V

) and a photographic version 

(

# 2956510P

). They differ only in the scope of delivery and are described together here.

– ver. 01/23 –

Summary of Contents for Cool-Ceramic Safety Herschel prism Mark II

Page 1: ...BAADER MARK HERSCHEL PRISM Cool Ceramic Safety Instruction Manual and Application Examples Congratulations on your purchase of the Cool Ceramic Safety CCS Herschel Prism Mark II It can give you a lif...

Page 2: ...sories on the Herschel prism 11 Eyepieces 2 and 1 11 Bino viewers on the Safety Cool Ceramic Herschel prism 12 Attaching a camera 14 The FFC Fluorite Projection Lens System on the CCS Herschel Prism M...

Page 3: ...e pointing the telescopes at the Sun Always mount the Herschel prism on the focuser before pointing the telescope at the Sun Never leave the telescope unattended especially when observing the sun with...

Page 4: ...d that the sunlight is sufficiently attenuated for visual observation by another fil ter solar continuum ND or polarising filter Use the article number on the filter cell ND 3 0 2458332 to check that...

Page 5: ...pose but these have largely been replaced by the inexpensive BAADER AstroSolar film You can find more information on this on our website at https www baader planetarium com en solar observation html o...

Page 6: ...arately Connection options on the eyepiece side included as standard 2 50 8 mm ClickLock clamp with brass clamping ring optical length 30 mm S58 ring dovetail exactly the same as on the Diamond Steelt...

Page 7: ...he centre of the telescope s field of view is thus child s play The 2 ClickLock eyepiece clamp is used to hold eyepieces or other accessories With a 15 turn you clamp any eyepiece bombproof even in wi...

Page 8: ...ach can be inserted into the filter mount on the telescope side Further filters must be inserted in the eyepiece the nose piece of the camera or a 1 reducer a 2 filter can also be installed upside dow...

Page 9: ...at it covers the brightness levels from dim to bright For visual observation you can simply use the position that provides a comfortable image brightness Always place the filter on the eyepiece side b...

Page 10: ...Solar Continuum Filter in a 150 2250 Zeiss AS refractor In the upper image an additional ND 0 9 filter was used to achieve comparable exposure times and to compensate for the influence of air turbulen...

Page 11: ...mes from professional mechanical engineering This is also how the tool holder on modern CNC milling centres works By clever use of the lever forces the tightening torque is increased many times over T...

Page 12: ...pend on the dioptric cor rection setting You can easily determine the available backfocus of your refractor as follows Point your refractor without eyepiece at the moon and hold a white sheet of paper...

Page 13: ...there is suffici ent backfocus you can also fix the black centering ring with a T 2 intermediate ring 7 5mm 1508155 and leave it installed For bino viewers with T 2 thread proceed as follows The optic...

Page 14: ...nd loss of warranty Probably the world s best projection lens for planetary projection photography is our Fluorite Flatfield Corrector FFC which allows a focal length extension of 3x to 8x Together wi...

Page 15: ...filter drawers You can insert a UFC filter drawer between the eyepiece clamp and the rotating filter holder for example to quickly switch between solar continuum filters for white light and the calciu...

Page 16: ...e designed so that a DSLR can only come into focus without additional accessories In this case the S58 adapters to T 2 M48 or M68 described on page 6 are the solu tion to shorten the mechanical length...

Page 17: ...ircumstances the camera s flash shoe may bump against the Herschel prism In rare cases another short T 2 exten sion or a quick release is necessary 5 With a T 2 quick change system 2456322 or 2456321...

Page 18: ...every tanning salon is legally obliged to warn against looking directly into UV A radiati on Nothing else happens when one visually observes the calcium line below 400 nm To take advantage of the high...

Page 19: ...he Schmidt corrector plate Originally designed for high resolution H alpha observation with So larSpectrum or Baader SunDancer filters the special coating also allows deep sky narrowband photography a...

Page 20: ...evenly vegetated area park meadow water surface the seeing conditions will be better than if you observe over chaotically built up areas houses etc As mentioned above for regular solar observations it...

Page 21: ...as brightening of the solar surface and are usually located around sunspot groups These flare regions are hotter than the normal photosphere In white light observations with the Safety Herschel prism...

Page 22: ...w ISO values of around 125 This ensures that the seeing air turbulence is really frozen If 1 1000 sec is not feasible depending on the focal ratio of the taking lens change the ND 3 0 for the ND 1 8 f...

Page 23: ...h is achieved either by eyepiece projection with OPFA System 2458142 or preferably by barlow lenses or even the FFC see page 14 Today s cameras with their small pixels do not need the very high magnif...

Page 24: ...at is filming the sun and then stacking the best shots The pixel size of the camera which must match the resolution of the telescope and the image scale For this purpose the focal length is adapted to...

Page 25: ...alpha line on the other hand even very narrow band deep sky H alpha filters with 3 5 nm are much wider band than the special H alpha filters with around 0 06 nm passband At www baader planetarium com...

Page 26: ...um de www celestron de G M B H Baader Planetarium GmbH All Rights reserved Products or instructions may change without notice or obligation Images and illustrations may differ from the original produc...

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