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Description
Explore Scientific H-Beta Nebula Filter (2")Fits Most 2" Eyepieces Accessories Passes H Beta Emission Line, 478 496nm Ideal for Astrophotography Increased Contrast for Nighttime Viewing Engineered to improve the visibility of deep sky objects, this 2" H Beta Nebula Filter from Explore Scientific features a narrow transmission curve designed to just pass the hydrogen beta emission line from 478 496nm with 94. 5% transmission. By attenuating other wavelengths, this filter helps to improve
- Fits Most 2" Eyepieces/Accessories
- Passes H-Beta Emission Line, 478-496nm
- Ideal for Astrophotography
- Increased Contrast for Nighttime Viewing
Engineered to improve the visibility of deep sky objects, this 2" H-Beta Nebula Filter from Explore Scientific features a narrow transmission curve designed to just pass the hydrogen-beta emission line from 478-496nm with 94.5% transmission. By attenuating other wavelengths, this filter helps to improve observation capabilities of many nebulae. It is an ideal companion accessory for visual observation and astrophotography applications, and will fit most standard 2" telescope eyepieces, filter wheels, eyepiece cameras, and other accessories.
- Plastic Filter Case
- Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
| Barrel Diameter | 2" / 50.8 mm |
| Transmittance | Range: 478-496 nm Transmission: 94.5% |
| Construction | Filter: Optical glass Housing: Aluminum alloy |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy