Filters

Filters

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APM Herschel Wedge w/ ND3 Filter - 2"

APM

MSRP:

US$340.00

Was:

Herschelprism with ceramic and 2 "Fast-Lock Okularadapter APM Herschel Wedge Manual For solar white light imaging and white light visual observing. The APM White Light Wedge comes with a built in ND3 filter which allows perfectly safe imaging or visual...

APM-Herschel-2-DX

MSRP:

US$340.00

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APM ND 3.0 Filter - 1.25"

APM

MSRP:

US$30.00

Was:

Grey Filter ND 3,0 (1000x) 0,1% 1,25''ApplicationsThis filter will be used in a Herschel Wedge, to reduce the transmitted light to a usable amount. Additional you need a second grey filter or polar filter or Solar Continuum filter.AdaptionThe...

APM-ND3.0-125

MSRP:

US$30.00

Was:

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APM Solar Filter Set for APM 100 Binoculars

APM

MSRP:

US$130.00

Was:

APM-EMC-600-125

MSRP:

US$130.00

Was:

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US$130.00

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APM Solar Filter Set for APM 120 Binoculars

APM

MSRP:

US$160.00

Was:

APM-EMC-600-128

MSRP:

US$160.00

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APM Solar Filter Set for APM 150 Binoculars

APM

MSRP:

US$190.00

Was:

APM-EMC-600-129

MSRP:

US$190.00

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Astrodon 52mm Screw-in Filter Cell

Astrodon

MSRP:

US$24.20

Was:

Astrodon 52mm Screw-in Filter Cell is for placing Astrodon 50 mm diameter filters in 52 mm threaded mounts for camera lenses.

DON-AD52MMCELL

MSRP:

US$24.20

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Astrodon Blue Filter - E & I Series

Astrodon

MSRP:

Now: US$222.20 - US$487.30

Was:

Luminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ. Astrodon LRGB Gen2 E-Series Tru-Balance Filter Sets have revolutionized CCD imaging. Their popularity is due to their ease-of-use, high optical...

MSRP:

Now: US$222.20 - US$487.30

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Astrodon Clear Filter - UV-Blocked, No NIR Blocking

Astrodon

MSRP:

Now: US$209.00 - US$445.50

Was:

UV-Blocked Clear filters with 395 nm cut-on (50% transmission at 395 nm) and at least 97% transmission to 1000 nm. Often purchased with our photometric filters.

MSRP:

Now: US$209.00 - US$445.50

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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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Astrodon Green Filter - E Series

Astrodon

MSRP:

Now: US$222.20 - US$487.30

Was:

Luminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ. Astrodon LRGB Gen2 E-Series Tru-Balance Filter Sets have revolutionized CCD imaging. Their popularity is due to their ease-of-use, high optical...

MSRP:

Now: US$222.20 - US$487.30

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Astrodon Green Filter - I Series

Astrodon

MSRP:

Now: US$222.20 - US$487.30

Was:

Luminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ. Astrodon LRGB Gen2 I-Series Tru-Balance Filters are designed to approximately equalize the flux of Interline CCD detectors (formerly Kodak),...

MSRP:

Now: US$222.20 - US$487.30

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Astrodon H-alpha Filter - 3nm

Astrodon

MSRP:

Now: US$682.00 - US$1,740.20

Was:

H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and is present in emission nebula (North American, Pelican), planetary nebula (Dumbbell, Ring), Wolf-Rayet...

MSRP:

Now: US$682.00 - US$1,740.20

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Astrodon H-alpha Filter - 5nm

Astrodon

MSRP:

Now: US$459.80 - US$1,512.50

Was:

H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and is present in emission nebula (North American, Pelican), planetary nebula (Dumbbell, Ring), Wolf-Rayet...

MSRP:

Now: US$459.80 - US$1,512.50

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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...

MSRP:

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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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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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

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Now: US$261.80 - US$665.50

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Astrodon L2P Light Pollution Luminance Filter

Astrodon

MSRP:

US$204.60

Was:

Our L2P filters are designed to be used the same way that you would use a regular Astrodon Luminance filter, either by itself or as part of a LRGB filter set. The L2P filter differs from our standard Astrodon Luminance filter in that, in addition to the...

MSRP:

US$204.60

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US$204.60

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Astrodon LRGB Filter Set - E Series

Astrodon

MSRP:

Now: US$662.20 - US$3,315.40

Was:

Astrodon LRGB Gen2 E-Series Tru-Balance Filter Sets have revolutionized CCD imaging. Their popularity is due to their ease-of-use, high optical throughput and great resulting colors for galaxies, star clusters and nebulae. E-Series filters are...

MSRP:

Now: US$662.20 - US$3,315.40

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Now: US$662.20 - US$3,315.40

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