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Research Filters

Research Filters

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  • Astrodon Exo-Planet Filter - Clear with Blue-Blocking Astrodon Exo-Planet Filter - Clear with Blue-Blocking
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    Astrodon Exo-Planet Filter - Clear with Blue-Blocking

    Astrodon

    US$223.30 - US$435.60
    Astrodon introduced the ExoPlanet-BB filter for use in amateur-scale telescopes to measure light curves of exoplanets. Although it may not seem possible at first, astronomers with typical backyard equipment and sensitive CCD cameras have the capability...
    US$223.30 - US$435.60
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    US$223.30 - US$435.60
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  • Astrodon Johnson/Cousins B Filter Astrodon Johnson/Cousins B Filter
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    Astrodon Johnson/Cousins B Filter

    Astrodon

    US$261.80 - US$665.50
    Spectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small light leaks that affected measurements of reddest stars in our initial filters 100% coated – no colored...
    US$261.80 - US$665.50
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    US$261.80 - US$665.50
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  • Astrodon Johnson/Cousins Ic Filter Astrodon Johnson/Cousins Ic Filter
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    Astrodon Johnson/Cousins Ic Filter

    Astrodon

    US$261.80 - US$665.50
    Spectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small light leaks that affected measurements of reddest stars in our initial filters 100% coated – no colored...
    US$261.80 - US$665.50
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    US$261.80 - US$665.50
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  • Astrodon Johnson/Cousins Rc Filter Astrodon Johnson/Cousins Rc Filter
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    Astrodon Johnson/Cousins Rc Filter

    Astrodon

    US$261.80 - US$665.50
    Spectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small light leaks that affected measurements of reddest stars in our initial filters 100% coated – no colored...
    US$261.80 - US$665.50
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    Qty in Cart: 0
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    US$261.80 - US$665.50
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  • Astrodon Johnson/Cousins U Filter Astrodon Johnson/Cousins U Filter
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    Astrodon Johnson/Cousins U Filter

    Astrodon

    US$261.80 - US$665.50
    Spectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small light leaks that affected measurements of reddest stars in our initial filters 100% coated – no colored...
    US$261.80 - US$665.50
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    Qty in Cart: 0
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    US$261.80 - US$665.50
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  • Astrodon Johnson/Cousins V Filter Astrodon Johnson/Cousins V Filter
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    Astrodon Johnson/Cousins V Filter

    Astrodon

    US$261.80 - US$665.50
    Spectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small light leaks that affected measurements of reddest stars in our initial filters 100% coated – no colored...
    US$261.80 - US$665.50
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    Qty in Cart: 0
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    US$261.80 - US$665.50
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  • Astrodon Sloan Gen2 g' Filter Astrodon Sloan Gen2 g' Filter
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    Astrodon Sloan Gen2 g' Filter

    Astrodon

    US$256.30 - US$665.50
    50% transmission points provided above (+/- 3nm typical) Peak transmission guaranteed > 95%  (>90% for u’) <=0.03%Tabs out-of-band 300 – 1100 nm Single striae-free fused silica substrates 1/4-wave propagated wavefront prior to...
    US$256.30 - US$665.50
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    Qty in Cart: 0
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    US$256.30 - US$665.50
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  • Astrodon Sloan Gen2 i' Filter Astrodon Sloan Gen2 i' Filter
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    Astrodon Sloan Gen2 i' Filter

    Astrodon

    US$256.30 - US$665.50
    50% transmission points provided above (+/- 3nm typical) Peak transmission guaranteed > 95%  (>90% for u’) <=0.03%Tabs out-of-band 300 – 1100 nm Single striae-free fused silica substrates 1/4-wave propagated wavefront prior to...
    US$256.30 - US$665.50
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    Qty in Cart: 0
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    US$256.30 - US$665.50
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  • Astrodon Sloan Gen2 r' Filter Astrodon Sloan Gen2 r' Filter
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    Astrodon Sloan Gen2 r' Filter

    Astrodon

    US$256.30 - US$665.50
    50% transmission points provided above (+/- 3nm typical) Peak transmission guaranteed > 95%  (>90% for u’) <=0.03%Tabs out-of-band 300 – 1100 nm Single striae-free fused silica substrates 1/4-wave propagated wavefront prior to...
    US$256.30 - US$665.50
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    US$256.30 - US$665.50
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  • Astrodon Sloan Gen2 u' Filter Astrodon Sloan Gen2 u' Filter
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    Astrodon Sloan Gen2 u' Filter

    Astrodon

    US$256.30 - US$665.50
    50% transmission points provided above (+/- 3nm typical) Peak transmission guaranteed > 95%  (>90% for u’) <=0.03%Tabs out-of-band 300 – 1100 nm Single striae-free fused silica substrates 1/4-wave propagated wavefront prior to...
    US$256.30 - US$665.50
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    Qty in Cart: 0
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    US$256.30 - US$665.50
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  • Astrodon Sloan Gen2 Y Filter Astrodon Sloan Gen2 Y Filter
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    Astrodon Sloan Gen2 Y Filter

    Astrodon

    US$256.30 - US$665.50
    50% transmission points provided above (+/- 3nm typical) Peak transmission guaranteed > 95%  (>90% for u’) <=0.03%Tabs out-of-band 300 – 1100 nm Single striae-free fused silica substrates 1/4-wave propagated wavefront prior to...
    US$256.30 - US$665.50
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    Qty in Cart: 0
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    US$256.30 - US$665.50
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  • Astrodon Sloan Gen2 z' Filter Astrodon Sloan Gen2 z' Filter
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    Astrodon Sloan Gen2 z' Filter

    Astrodon

    US$256.30 - US$665.50
    50% transmission points provided above (+/- 3nm typical) Peak transmission guaranteed > 95%  (>90% for u’) <=0.03%Tabs out-of-band 300 – 1100 nm Single striae-free fused silica substrates 1/4-wave propagated wavefront prior to...
    US$256.30 - US$665.50
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    Qty in Cart: 0
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    US$256.30 - US$665.50
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  • Astrodon Sloan Gen2 z_s Filter Astrodon Sloan Gen2 z_s Filter
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    Astrodon Sloan Gen2 z_s Filter

    Astrodon

    US$256.30 - US$665.50
    50% transmission points provided above (+/- 3nm typical) Peak transmission guaranteed > 95%  (>90% for u’) <=0.03%Tabs out-of-band 300 – 1100 nm Single striae-free fused silica substrates 1/4-wave propagated wavefront prior to...
    US$256.30 - US$665.50
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    Qty in Cart: 0
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    US$256.30 - US$665.50
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  • Baader Photometric SLOAN/SDSS g' Individual Filter
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    Baader Photometric SLOAN/SDSS g' Individual Filter

    Baader Planetarium

    US$171.00 - US$788.00
    Baader SLOAN-g' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification Manufactured with most advanced ion beam coating technology / Daylight-Proof...
    US$171.00 - US$788.00
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    Qty in Cart: 0
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    US$171.00 - US$788.00
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  • Baader Photometric SLOAN/SDSS i' Individual Filter
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    Baader Photometric SLOAN/SDSS i' Individual Filter

    Baader Planetarium

    US$171.00 - US$788.00
    Baader SLOAN-i' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification Manufactured with most advanced ion beam coating technology / Daylight-Proof...
    US$171.00 - US$788.00
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    Qty in Cart: 0
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    US$171.00 - US$788.00
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  • Baader Photometric SLOAN/SDSS r' Individual Filter
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    Baader Photometric SLOAN/SDSS r' Individual Filter

    Baader Planetarium

    US$171.00 - US$788.00
    Baader SLOAN-r' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification Manufactured with most advanced ion beam coating technology / Daylight-Proof...
    US$171.00 - US$788.00
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    Qty in Cart: 0
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    US$171.00 - US$788.00
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  • Baader Photometric SLOAN/SDSS u' Individual Filter
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    Baader Photometric SLOAN/SDSS u' Individual Filter

    Baader Planetarium

    US$178.00 - US$797.00
    Baader SLOAN-u' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification Manufactured with most advanced ion beam coating technology / Daylight-Proof...
    US$178.00 - US$797.00
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    Qty in Cart: 0
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    US$178.00 - US$797.00
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  • Baader Photometric SLOAN/SDSS ugriz' Filter Set Baader Photometric SLOAN/SDSS ugriz' Filter Set
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    Baader Photometric SLOAN/SDSS ugriz' Filter Set

    Baader Planetarium

    US$857.00 - US$4,137.00
    Baader SLOAN Bandpass Filter Set, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification Manufactured with most advanced ion beam coating technology / Daylight-Proof...
    US$857.00 - US$4,137.00
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    Qty in Cart: 0
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    US$857.00 - US$4,137.00
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  • Baader Photometric SLOAN/SDSS y' Individual Filter
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    Baader Photometric SLOAN/SDSS y' Individual Filter

    Baader Planetarium

    US$162.00 - US$788.00
    Baader SLOAN-y' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification Manufactured with most advanced ion beam coating technology / Daylight-Proof...
    US$162.00 - US$788.00
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    Qty in Cart: 0
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    US$162.00 - US$788.00
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  • Baader Photometric SLOAN/SDSS z-s' Individual Filter
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    Baader Photometric SLOAN/SDSS z-s' Individual Filter

    Baader Planetarium

    US$162.00 - US$788.00
    Baader SLOAN-z-s' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specification Manufactured with most advanced ion beam coating technology / Daylight-Proof...
    US$162.00 - US$788.00
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    Qty in Cart: 0
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    US$162.00 - US$788.00
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