H-alpha Accessories

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12 Item(s)

  1.   Solar Shade with drilled hole M68

    # 2959281

    € 36.00 Price excl. German VAT tax (19%): € 30.25
    • A Solar Shade made from Aluminium to clamp between any M68 connection
    • Drilling for M68 threads
    • Use as shade (glare protection) for visual observation / imaging through eyepiece or camera
    • Used to shade the eyepiece or camera viewing opening from direct solar radiation during photographic- or visual solar observation in the H-alpha region with narrowband filters from SolarSpectrum
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  2.   Solar Shade with drilled hole 2"

    # 2959280

    € 35.00 Price excl. German VAT tax (19%): € 29.41
    • A Solar Shade made from Aluminium to clamp between any 2" connection
    • Drilling for 2", (ø 50,8 mm)
    • Use as shade (glare protection) for visual observation / imaging through eyepiece or camera
    • Used to shade the eyepiece or camera viewing opening from direct solar radiation during photographic- or visual solar observation in the H-alpha region with narrowband filters from SolarSpectrum
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  3.   Solar Shade with drilled hole T-2

    # 2959279

    € 34.00 Price excl. German VAT tax (19%): € 28.57
    • A Solar Shade made from Aluminium to clamp between any T-2 connection
    • T-2 drilling (ø 42 mm)
    • Use as shade (glare protection) for visual observation / imaging through eyepiece or camera
    • Used to shade the eyepiece or camera viewing opening from direct solar radiation during photographic- or visual solar observation in the H-alpha region with narrowband filters from SolarSpectrum
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  4.   SolarSpectrum 0.7x Telecompressor 2"

    # 2459259

    € 275.00 Price excl. German VAT tax (19%): € 231.09
    • gets mounted eyepiece-sided directly onto the SolarSpectrum filter and reduces the previously by the telecentric system extended focal length again by a factor of 0.7
    • Working distance: 110mm (Distance to the camera sensor)
    • 2" male threads on both sides, fitting Universal Flange Adapter #2958240 (included with SolarSpectrum H-alpha filters
    • Telecompressor is used to adjust the focal length to possibly poor seeing conditions and / or enlarging the field for photographic- or webcam applications
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  5.   Telecentric System TZ-4 (4x focal length)

    # 2459256

    € 345.00 Price excl. German VAT tax (19%): € 289.92
    • Telecentric with 2" outer diameter and T-2 threads on both sides
    • Aplanatic, with 4x focal length extension to achieve a parallel f/30 beam in conjunction with ~f/7,5 optics systems – free of field curvtare
    • Primarily calculated and produced for H-alpha at 656,3 nm, delivering 99% Strehl (99% definition brightness )
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  6.   Research Grade TZ-3 Telecentric System (3x focal length)

    Research Grade TZ-3 Telecentric System (3x focal length)

    # 2459257

    € 395.00 Price excl. German VAT tax (19%): € 331.93
    • 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 (99% definition brightness )
    • Diffraction limited design also at 396 nm (CaK)
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  7.   Telecentric System TZ-2 (2x focal length)

    # 2459255

    € 345.00 Price excl. German VAT tax (19%): € 289.92
    • Telecentric with 2" outer diameter and T-2 threads on both sides
    • Aplanatic, with 2x focal length extension to achieve a parallel f/30 beam in conjunction with ~f/15 optics systems – free of field curvtare
    • Primarily calculated and produced for H-alpha at 656,3 nm, delivering 99% Strehl (99% definition brightness )
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  8.   SolarSpectrum Research Grade 0.4x Telecompressor 2"

    SolarSpectrum Research Grade 0.4x Telecompressor 2"

    # 2459260

    € 325.00 Price excl. German VAT tax (19%): € 273.11
    • 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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  9.   Baader M68 Tele-Compendium

    # 2459258

    € 375.00 Price excl. German VAT tax (19%): € 315.13
    • Telescopic connection for Baader FFC and telecentric systems
    • Consisting of 9 components: 1x Four-In-One (T-2 version) adapter M68/T-2/M68 (T-2 male Inverter #26 included ) # 245 8225; 1x T-2 / Extension Tube 40mm # 150 8153 (T-2 #25B); 1x M68 Extension tube 80mm # 245 8208; 2x M68 Extension tube 40mm # 245 8204; 2x M68 Extension tube 10mm # 245 8201; 1x M68/2"/M68Ultra short clamp 2" focus-side M68, telescope-side M68 (Zeiss) and M60 (Vixen) # 245 8196 (T-2 #32); 1x 2"/T-2 Nose Piece and Camera adapter # 240 8150 (T-2 #16)
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  10.   Steplessly variable diaphragm 13 - 113mm

    # 2459300

    € 325.00 Price excl. German VAT tax (19%): € 273.11
    • Steplessly variable, white anodized and heat reflecting diaphragm from 13- to 113 Millimeter for our D-ERF Filters
    • For optimum adjustment of a telescope aperture when observing with an H-alpha filter of Solar Spectrum (also suitable for other brands)
    • The diaphragm has four telescope-sided M3-threads on a pitch circle radius of 60 mm to fasten also on a DIY-holder.
    • Please note: in addition to the price of the diaphragm there might be additional modification costs of EUR 50.- if we adapt the diaphragm to a self-manufactured D-ERF-filter holder (Our filter holders are available ONLY IN ADDITION to a Solar Spectrum H-alpha filter).
    • Other applications: The iris may of course be used to selectively dimming of a refractor objective, eg to hide the edge residual error of inexpensive lenses.
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  11. Dargestellt mit eingebautem D-ERF Filter - nicht im Lieferumfang
    From: € 250.00 Price excl. German VAT tax (19%): € 210.08
    • 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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  12.   Baader D-ERF Energy Rejection Filter (75 - 180mm)

    Baader D-ERF Energy Rejection Filter (75 - 180mm)

    From: € 275.00 Price excl. German VAT tax (19%): € 231.09
    • D-ERF (Dielectric Energy Reflection Filter) in different sizes
    • Pre-filter to reduce heat during H-alpha observation with SolarSpectrum Filters
    • Plane parrallel plate (without filter cell) with IR-Cut dielectric coating
    • non-ageing sealed coating edges
    • Filter WITHOUT cell – 3D-printed filter cells - customized for your telescope, can be ordered in addition (not available as standalone product)
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12 Item(s)