Solar
Everything for safe solar observation and photography
On this website you can purchase our products for solar observation and photography. Please visit www.astrosolar.com for detailed information about the differences of our AstroSolar Films, for Safety Instructions and Downloads, Customer reviews, image gallerys, useful Know-How, News and much more.
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# 1363080
€ 385.00 Price excl. German VAT tax (19%): € 323.53- Delivers a plane-parallel, achromatic beam of light with 36 mm diameter
- Designed especially for H-alpha and CaK subangstroem etalon filters
- Includes a ½" filter cell for the 2 nm block filter of the Baader SunDancer II H-alpha filter
- Can also be used in place of a Barlow lens, expands the telescope focal length by 4x
- BBAR (Broad-Band Anti-Reflection) coating
- Anti-reflective thread and blackened lens edges against reflections and for maximum contrast
- Image circle 36 mm, in a nominal in 97 mm from base of the T-2 thread
- 1¼" and 2" nosepiece with 1¼" filter thread, T-2 thread on camera side
- 12.5 mm (1/2") filter exchange tool included
- 5-year warranty if handled properly
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From: € 400.00 Price excl. German VAT tax (19%): € 336.13
- Filter Frame for D-ERF Filter, Diameter 75 - 180 mm
- No serial production - every filter frame will be adapted to your needs and professionally produced on our in-house 3D-printer (70-160 mm) or are CNC machined Aluminium (180 mm)
- Filter frame offers complete safe and firm hold for the delicate D-ERF energy reflection filters
- Only available in combination with Solar Spectrum H-alpha Filters and D-ERF Filters
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From: € 10,750.00 Price excl. German VAT tax (19%): € 9,033.61
- Research Grade Filter RG 46: 46mm clear aperture, selected quality with extremely uniform H-alpha image over the entire image field
- Different Halfbandwidths available – please choose "Version"
- incl. Pre-mounted Adapterset: 2x 2" SolarSpectrum Universal Flange #2958240, 1x 2"a to T-2i Reducer #2958242, 1x 2"a to T-2a Adapter #1508035, 2 pc. T-2 Dust caps (#2904000, #2904010)
- Heated H-alpha – Filter (lambda = 656,3 nm) with electronical temperature control (heating and cooling combined).
- Requires an additional Energy Rejection Filter (D-ERF) in front of the lens. SolarSpectrum Filters are not available by shopping cart system and have sometimes long waiting periods. If you are interested, please contact us by email or contact form
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From: € 34.00 Price excl. German VAT tax (19%): € 28.57
- AstroSolar Photo Film (imaging only), telescope quality, Optical Density OD = 3.8
- Digital solar imaging at highest magnifications and short exposure times. Not suitable for visual observation
- This highest precision film consistently produces strehl ratios of 94 to 96 percent at interferometric tests – thus it performs optically like a Fluorite Triplet Lens by Carl Zeiss or Astro Physics
- AstroSolar Photo Film OD 3.8 is only intended to be used by well-experienced Astro-imagers. This material is not intended to serve for protection during visual solar observation.
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From: € 37.00 Price excl. German VAT tax (19%): € 31.09
- Safe solar observation with Solar Viewer AstroSolar® Silver/Gold! 100% UV-protection, 100% IR-protection, sun light intensity reduced by 99,999%
- Our Solar Viewer AstroSolar® Silver/Gold – MADE IN GERMANY – safely protect your eyes for visual solar observation. This is THE solution to see the partial phase of Solar Eclipses or even big sunspots with your own eyes!
- Set consists of Baader AstroSolar® Silver/Gold Film, with eye-sided reflex-free viewing and 1pc AstroSolar® Safety Film 5.0 for solar observation/photography with additional optics. Optical Density: 5.0. Read more on our viewers and film here:
- CE / ISO certified: conforms to and meets the transmission requirements for eye safety: EN ISO 12312-2:2015 – Instructions in four languages (English, German, French, Spanish) on the inner side of the solar viewer
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From: € 7,210.00 Price excl. German VAT tax (19%): € 6,058.82
- Research Grade Filter RG 32: 32mm clear aperture, selected quality with extremely uniform H-alpha image over the entire image field
- Different Halfbandwidths available – please choose "Version"
- incl. Pre-mounted Adapterset: 2x 2" SolarSpectrum Universal Flange #2958240, 1x 2"a to T-2i Reducer #2958242, 1x 2"a to T-2a Adapter #1508035, 2 pc. T-2 Dust caps (#2904000, #2904010)
- Heated H-alpha – Filter (lambda = 656,3 nm) with electronical temperature control (heating and cooling combined).
- Requires an additional Energy Rejection Filter (D-ERF) in front of the lens. SolarSpectrum Filter are not available by shopping cart system and have sometimes long waiting periods. If you are interested, please contact us by email or contact form
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From: € 4,050.00 Price excl. German VAT tax (19%): € 3,403.36
- Solar Observer Filter Serie 1,5: Standard-Filter with a clear aperture of 25mm. Shows the full sun disc up to effective focal lengths of approx. 2200mm
- Different Halfbandwidths available – please choose "Version"
- incl. Pre-mounted Adapterset: 2x 2" SolarSpectrum Universal Flange #2958240, 1x 2"a to T-2i Reducer #2958242, 1x 2"a to T-2a Adapter #1508035, 2 pc. T-2 Dust caps (#2904000, #2904010)
- Heated H-alpha – Filter (lambda = 656,3 nm) with electronical temperature control (heating and cooling combined).
- Requires an additional Energy Rejection Filter (D-ERF) in front of the lens. SolarSpectrum Filter are not available by shopping cart system and have sometimes long waiting periods. If you are interested, please contact us by email or contact form
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From: € 16.00 Price excl. German VAT tax (19%): € 13.45
- AstroSolar® Safety Film 5.0 for solar observation and photography at high magnification, telescope quality, Optical Density (OD) = 5.0
- Safe for visual solar observation (with additional optics) and imaging
- This highest precision film consistently produces strehl ratios of 94 to 96 percent at interferometric tests – thus it performs optically like a Fluorite Triplet Lens by Carl Zeiss or Astro Physics
- AstroSolar Safety Film is best suited for precision work with all astronomical telescopes and binoculars – just as well as for all photographic camera- and tele-lenses
- For more than 25 years on the market, the only film-material made to not deteriorate the optical wavefront, it does allow to attain high magnification with any long-range optics without reducing sharpness or contrast of the solar surface.
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From: € 4.50 Price excl. German VAT tax (19%): € 3.78
- Safe solar observation! 100% UV-protection, 100% IR-protection, sun light intensity reduced by 99,999%
- Our Solar Viewer AstroSolar® Silver/Gold – MADE IN GERMANY – safely protect your eyes for visual solar observation. This is THE solution to see the partial phase of Solar Eclipses or even big sunspots with your own eyes!
- Consists of Baader AstroSolar® Silver/Gold Film, with eye-sided reflex-free viewing. Also blocks IR, thus no unpleasant feeling of warmth in the eyeball. Optical Density OD=5,0
- CE / ISO certified: conforms to and meets the transmission requirements for eye safety: EN ISO 12312-2:2015 – Instructions in four languages (English, German, French, Spanish) on the inner side of the solar viewer
- Available in sets of 1pc, 10pc, 25pc, 100pc with counter display, alternatively also available as Bundle: AstroSolar Safety Film and Solar Viewers (various versions available)
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# 2459257
€ 445.00 Price excl. German VAT tax (19%): € 373.95- Research Grade Telecentric Unit, featuring an oversized pick up expanding lens set and 2" (50.8mm) threads on both sides – T-2 Adapter and 2" m/f inverter ring are both included as standard accessories
- 46mm clear aperture at the H-alpha-filter entrance side - suitable for research grade SolarSpectrum H-alpha filters
- Large working distance of 250mm for optimized focal length reduction with a telecompressor and suitable room for adapting a binocular viewer
- Aplanatic, with 3x focal length extension to achieve a parallel f/30 beam in conjunction with ~f/10 optics systems – free of field curvtare
- Primarily calculated and produced for H-alpha at 656,3 nm, delivering 99% Strehl (definition brightness) depending on the used telescope system
- Diffraction limited design with about 80% Strehl also at 396 nm (CaK)
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# 2459260
€ 366.00 Price excl. German VAT tax (19%): € 307.56- Alike the TZ-3 telecentric, also the RG 0.4x Telecompressor features 46mm clear aperture throughout, perfectly suitable even for large SolarSpectrum RG46 Research Grade H-alpha Filters
- Working distance: 74mm (Distance to the camera sensor), optimized for videography and full solar disc imaging. Ø 16 mm corrected image field in conjunction with the TZ-3
- mounts straight onto the body of the SolarSpectrum filter and reduces f/30 f/ratio back to f/10, thanks to the factor of 0.4
- 2" male threads on both sides, fitting the SolarSpectrum Universal Flange Adapter #2958240 (included as standard on both sides of the SolarSpectrum H-alpha filters)
- The RG 0.4x Telecompressor serves to adjust the focal length in order to improve poor seeing conditions and / or to enlarge the field of view for photographic- or lucky imaging applications
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From: € 4,195.00 Price excl. German VAT tax (19%): € 3,525.21
- Triband-SCT's are available in apertures of 8", 9¼" and 11".
- Triband-ERF-coated Schmidt corrector plate replaces an additional ERF energy rejection filter and makes high-resolution observations of the sun possible
- The Triband-ERF Schmidt corrector plate has got transmission windows between 380 and 400 nm, 480 and 515nm as well as 630 and 680 nm. The transmission windows are designed for Calcium-K, Continuum (incl H-beta and O III), H-alpha and S II.
- For observing the sun in white light, H-alpha or CaK or for Narrowband-Deep-Sky-applications, furtehr filters are required.
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# 2961590
€ 285.00 Price excl. German VAT tax (19%): € 239.50- Single filter (unstacked!), shows finest solar details in calcium K (Cak) lightFor solar photography only in combination with enclosed AstroSolar photo film ND3.8 or an Herschel prism (sold seperately: Baader Safety CoolCeramic Herschel Prism 2" Photographic (#2956510P , € 645,-) )
- Enhanced contrast matched to quantum efficiency and s/n ratio of typical CMOS cameras.
- Reflex-Blocker™ coatings, for maximum immunity to retro-reflection from nearest auxiliary optics, even under the most adverse conditions
- Identical filter thickness to existing standards, with utmost care for homofocality
- Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
- Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
- Supplied with AstroSolar photo film ND 3.8, size: 200 x 290 mm - for pre-filtering sunlight
- The calcium filter Gen-II must NOT be used in the light path WITHOUT pre-filtering.
- Visual observation is not possible with the calcium filter, as the eye is practically blind in this part of the spectrum. Never point the telescope directly at the sun with only the calcium filter (without an additional attenuation filter).
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From: € 575.00 Price excl. German VAT tax (19%): € 483.19
- 2" wedge prism according to Herschel - one-sided Phantom Group® anti-reflective coating, with ceramic solar finder and 2" ClickLock® eyepiece holder
- Integrated rotation mechanism for polarising filters – the best method for brightness adjustment in visual solar observation and solar photography in white light
- Stepless brightness adjustment is made possible in combination with the optional
Baader Single Polarizing Filter 2"
(#2408342 , € 72,-)
and the included Neutral Density Filter. The polarizing filters are not included in the scope of delivery
- Including our Baader 7.5 nm Solar Continuum Filter 2" (540nm) (#2961581 , € 198,-) for an uncompromisingly sharp solar image and the Baader 2" Filter Crown Tool (#2458135 , € 35,-) , to make it easier to replace the installed filters.
- S58 dovetail and Safety Kerfs on the 2" nose-piece, New 3-point adjustment system preset in the factory
- Available in visual and photographic versions, please choose from dropdown
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From: € 118.00 Price excl. German VAT tax (19%): € 99.16
- Baader 7.5 nm Solar Continuum Filter, CWL 540nm
- A must for owners of achromatic refractors. This narrowband-filter cuts the spectral range where lens optics draw sharpest and contrastiest. The Baader Solar Continuum Filter lets you use the full power of your telescope.
- Enhances contrast and reduces the effect of atmospheric turbulence (in combination with white light solar filters)
- Enormous contrast gain in monochrome photography even on apochromatic systems
- Important note: The Solar Continuum Filter must be used ONLY with additional filtering (e.g. Baader Herschel prism or AstroSolar Safety Film)
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# 1363070
€ 365.00 Price excl. German VAT tax (19%): € 306.72- Achromatic 3x telecentric system
- Usable for H-alpha observation with frame for the block filter of the Baader SunDancer II H-alpha Filter (#1363056 , € 3545,-)
- Can be used in place of a Barlow lens
- Four-lens optical design, BBAR (Broad-Band Anti-Reflection) coating
- Anti-reflective thread and blackened lens edges against reflections and for maximum contrast
- Image circle 27.5mm in 96 mm distance to T-2 threaded base
- 1¼" and 2" nosepiece with 1¼" filter thread, T-2 thread on camera side
- The optical design places the telescope's focal point 28 mm behind the end of the 1¼" nosepiece
- 5-year warranty if handled properly
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# 2903300
€ 318.00 Price excl. German VAT tax (19%): € 267.23- Using this device, you can check instantaneously the seeing value in arc seconds at your specific location
- Shows instant seeing value, light input and 1 minute moving average
- Separate sensor can be placed next to the entrance pupil of your instrument
- Runs on battery or USB
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# 1363018
€ 7,350.00 Price excl. German VAT tax (19%): € 6,176.47- Research Grade Filter RG 18: 18mm clear aperture, selected quality with extremely uniform H-alpha image over the entire image field
- Halfbandwidth 0.30 + 0.10/- 0.05 Angström
- Focal ratio: f40 +10/-5
- incl. Pre-mounted Adapterset: (2x 2" Universal flange - suitable for Solar Spectrum Filter (#2958240 , € 39,-) , 1x Baader Expansion Ring 2"a/T-2i with 1mm optical path length (T-2 part #28) (#2958242 , € 25,-) , 1x Baader Adapter 2" (male) / T-2 (male) (#1508035 , € 41,-) , 2 pc. T-2 Dust caps ( Baader Male T-2 Dustcap, outer thread M42 x 0,75 (#2904000 , € € 6.50) , Baader Female T-2 Dustcap, inner thread M42 x 0,75 (#2904010 , € € 6.50) )
- Heated H-alpha – Filter (lambda = 656,3 nm) with electronical temperature control (heating and cooling combined).
- Requires an additional Energy Rejection Filter (D-ERF) in front of the lens. SolarSpectrum Filter are not available by shopping cart system and have sometimes long waiting periods. If you are interested, please contact us by email or contact form
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# 2459247A
€ 165.00 Price excl. German VAT tax (19%): € 138.66- Required to use Steplessly variable diaphragm 13 - 113mm (#2459300 , € 366,-)
- Suitable for sizes 135 and 160mm of the Frame for D-ERF Filters 75-180mm (various versions available)
- For optimum adjustment of a telescope aperture when observing with an H-alpha filter of Solar Spectrum (also suitable for other brands)
- Made of CNC-machined aluminum
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From: € 529.00 Price excl. German VAT tax (19%): € 444.54
- 2 ", 23 ° Safety Herschel Prism, utilizing special Phantom Group® coatings for glare control. 2” ClickLock® eyepiece holder.
- There is no better and safer method for uncompromising sharp solar observation / photography in white light.
- A special heat absorbing ceramic element traps radiant heat similar to the space shuttle heat tiles - without heating the surrounding area too. The fully enclosed housing adds to the safety and prevents the risk of glare.
- Please choose version from dropdown to see scope of supply