SKU:13961077322
Nebula Filter H-Beta 2.0-inch
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Description
Nebula Filter H-Beta 2.0-inchExplore Scientific Nebula Filter 1. 25" H Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94. 5% H Beta Hydrogen is the most abundant element in the universe and many nebulae glow in the light of H beta. This line filter blocks all other wavelengths (and thereby nearly all of the artificial light) and only the emission line of hydrogen beta will pass. This filter fits all standard 2. 0 inch eyepieces and filter wheels.
No telescope type has changed the hobby quite as much as the Dobsonian
Markings Laser Engraved: Focal Length
integrated dew shield
The lightweight Twilight Nano Alt-Az mount ensures smooth
Explore Scientific Rack and Pinion Focuser Extension Tube adds 1
Equipped with two Plössl eyepieces and a 2x Barlow lens
complete with an 8x50 non-illuminated straight-through finderscope and quick-release bracket
The carbon fiber construction significantly reduces weight without sacrificing rigidity
wide-field views of the Moon’s craters
and a smartphone adapter to capture your discoveries
91kg Diameter 2" Length 120
with slow-motion control cables and a counterweight for proper balance
Quick Dispatch:
Your Nebula Filter H-Beta 2.0-inch orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Nebula Filter H-Beta 2.0-inch ships.
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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