Thousand Oaks

Manufacturer of SAFE solar filters for 30 years.
Used by NASA aboard the Space Shuttle. Other professional users include: ABC, BBC CBS, NBC, CNN, NOVA, The Discovery Channel, National Geographic and most major universities and observatories throughout the world. Thousand Oaks uses the latest technology for manufacturing and developing new products. Tens of thousands of their solar filters and millions of their eclipse viewers are in use world wide.
1.25" LP-1 Broadband Nebular Filter (Black Cell). For slight to moderately light-polluted areas.
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1.25" LP-2 Narrowband Nebular Filter (Blue Cell)
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1.25" LP-3 Oxygen III (Green Cell). For diffuse and planetary nebulae.
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1.25" LP-4 Hydrogen Beta Nebular Filter (Red Cell). For Horsehead, California nebula, and other faint nebulae.
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2.00" LP-1 Broadband Nebular Filter (Black Cell). For slight to moderately light-polluted areas.
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1.25" LP-2 Narrowband Nebular Filter (Blue Cell)
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1.25" LP-3 Oxygen III (Green Cell). For diffuse and planetary nebulae.
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2.00" LP-4 Hydrogen Beta Nebular Filter (Red Cell). For Horsehead, California nebula, and other faint nebulae.
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3.5-4" H-Alpha Off-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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2.4-3.1" H-Alpha Center-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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3.5 - 4" H-Alpha Center-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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4.5 - 5" H-Alpha Off-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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4.5-5" H-Alpha Center-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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6" H-Alpha Off-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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6" H-Alpha Center-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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7"-8" H-Alpha Off-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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7"-8" H-Alpha Center-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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9"-10" H-Alpha Off-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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9"-10" H-Alpha Center-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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11"-12.5" H-Alpha Off-Axis Prominence Filter. Includes ERF (Energy Rejection Filter).
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