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Dual / Multi-Band Filters (Color)

Filters

CA$847.00 - CA$847.00
CA$847.00
CA$847.00 - CA$847.00
CA$847.00

Askar 3nm Colour Magic Ultra Ha/OIII E1 Filter - 2"

ASK-ASKAR2DBE1
1 in stock

Dual-bandpass for Hydrogen-alpha (656.6nm) and Oxygen-III (500.7nm) Ultra-narrow 3.7nm (Ha) and 4.0nm (OIII) FWHM bandwidths 85% peak transmittanc...

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CA$847.00 - CA$847.00
CA$847.00
CA$847.00 - CA$847.00
CA$847.00
CA$418.00 - CA$418.00
CA$418.00
CA$418.00 - CA$418.00
CA$418.00

IDAS NBZ-II HA OIII Nebula Booster Filter

IDA-NBZ-II-48ST2

2" OIII 8nm (+/-0.4nm) H-alpha 9.5nm (+/- 0.4nm) (originally designed at 10nm, but on a measured basis, it's 9.5nm.)

CA$418.00 - CA$418.00
CA$418.00
CA$418.00 - CA$418.00
CA$418.00
CA$328.00 - CA$328.00
CA$328.00
CA$328.00 - CA$328.00
CA$328.00

William Optics STC Ultra Layer Astro Multispectra Filter - 48mm

WO-YF-STC-M48

48mm (M48) Filter Size Multi-Bandpass Light Pollution Suppression Passes H-α, H-β, and OIII Emission Lines Schott B270 Optical Glass Substrate STC...

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CA$328.00 - CA$328.00
CA$328.00
CA$328.00 - CA$328.00
CA$328.00
CA$660.00 - CA$660.00
CA$660.00
CA$660.00 - CA$660.00
CA$660.00

William Optics STC Astro Duo-Narrowband Filter

WO-YF-STC-ADN

Dual-Bandpass for H-Alpha and Oxygen-III Suppresses Urban Light Pollution Ion Beam-Assisted Deposition (IBAD) Coatings High Durability and Easy-to...

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CA$660.00 - CA$660.00
CA$660.00
CA$660.00 - CA$660.00
CA$660.00