Research Filters

Research Filters

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Astrodon Exo-Planet Filter - Clear with Blue-Blocking

Astrodon

MSRP:

Now: US$223.30 - US$435.60

Was:

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...

MSRP:

Now: US$223.30 - US$435.60

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Now: US$223.30 - US$435.60

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Astrodon Johnson/Cousins B Filter

Astrodon

MSRP:

Now: US$261.80 - US$665.50

Was:

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...

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Now: US$261.80 - US$665.50

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Now: US$261.80 - US$665.50

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Astrodon Johnson/Cousins Ic Filter

Astrodon

MSRP:

Now: US$261.80 - US$665.50

Was:

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...

MSRP:

Now: US$261.80 - US$665.50

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Now: US$261.80 - US$665.50

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Astrodon Johnson/Cousins Rc Filter

Astrodon

MSRP:

Now: US$261.80 - US$665.50

Was:

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...

MSRP:

Now: US$261.80 - US$665.50

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Now: US$261.80 - US$665.50

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Astrodon Johnson/Cousins U Filter

Astrodon

MSRP:

Now: US$261.80 - US$665.50

Was:

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...

MSRP:

Now: US$261.80 - US$665.50

Was:

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MSRP:

Now: US$261.80 - US$665.50

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Astrodon Johnson/Cousins V Filter

Astrodon

MSRP:

Now: US$261.80 - US$665.50

Was:

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...

MSRP:

Now: US$261.80 - US$665.50

Was:

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Now: US$261.80 - US$665.50

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Astrodon Sloan Gen2 g' Filter

Astrodon

MSRP:

Now: US$256.30 - US$665.50

Was:

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...

MSRP:

Now: US$256.30 - US$665.50

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Now: US$256.30 - US$665.50

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Astrodon Sloan Gen2 i' Filter

Astrodon

MSRP:

Now: US$256.30 - US$665.50

Was:

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...

MSRP:

Now: US$256.30 - US$665.50

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Now: US$256.30 - US$665.50

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Astrodon Sloan Gen2 r' Filter

Astrodon

MSRP:

Now: US$256.30 - US$665.50

Was:

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...

MSRP:

Now: US$256.30 - US$665.50

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Now: US$256.30 - US$665.50

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Astrodon Sloan Gen2 u' Filter

Astrodon

MSRP:

Now: US$256.30 - US$665.50

Was:

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...

MSRP:

Now: US$256.30 - US$665.50

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Now: US$256.30 - US$665.50

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Astrodon Sloan Gen2 Y Filter

Astrodon

MSRP:

Now: US$256.30 - US$665.50

Was:

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...

MSRP:

Now: US$256.30 - US$665.50

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Now: US$256.30 - US$665.50

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Astrodon Sloan Gen2 z' Filter

Astrodon

MSRP:

Now: US$256.30 - US$665.50

Was:

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...

MSRP:

Now: US$256.30 - US$665.50

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Now: US$256.30 - US$665.50

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Astrodon Sloan Gen2 z_s Filter

Astrodon

MSRP:

Now: US$256.30 - US$665.50

Was:

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...

MSRP:

Now: US$256.30 - US$665.50

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Now: US$256.30 - US$665.50

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Baader Photometric SLOAN/SDSS g' Individual Filter

Baader Planetarium

MSRP:

Now: US$171.00 - US$788.00

Was:

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...

MSRP:

Now: US$171.00 - US$788.00

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MSRP:

Now: US$171.00 - US$788.00

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Baader Photometric SLOAN/SDSS i' Individual Filter

Baader Planetarium

MSRP:

Now: US$171.00 - US$788.00

Was:

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...

MSRP:

Now: US$171.00 - US$788.00

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MSRP:

Now: US$171.00 - US$788.00

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Baader Photometric SLOAN/SDSS r' Individual Filter

Baader Planetarium

MSRP:

Now: US$171.00 - US$788.00

Was:

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...

MSRP:

Now: US$171.00 - US$788.00

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Qty in Cart: 0

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MSRP:

Now: US$171.00 - US$788.00

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Baader Photometric SLOAN/SDSS u' Individual Filter

Baader Planetarium

MSRP:

Now: US$178.00 - US$797.00

Was:

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...

MSRP:

Now: US$178.00 - US$797.00

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Now: US$178.00 - US$797.00

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Baader Photometric SLOAN/SDSS ugriz' Filter Set

Baader Planetarium

MSRP:

Now: US$857.00 - US$4,137.00

Was:

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...

MSRP:

Now: US$857.00 - US$4,137.00

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Now: US$857.00 - US$4,137.00

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Baader Photometric SLOAN/SDSS y' Individual Filter

Baader Planetarium

MSRP:

Now: US$162.00 - US$788.00

Was:

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...

MSRP:

Now: US$162.00 - US$788.00

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MSRP:

Now: US$162.00 - US$788.00

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Baader Photometric SLOAN/SDSS z-s' Individual Filter

Baader Planetarium

MSRP:

Now: US$162.00 - US$788.00

Was:

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...

MSRP:

Now: US$162.00 - US$788.00

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Qty in Cart: 0

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Now: US$162.00 - US$788.00

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