SKU:27854980053
Optolong Narrowband H-Beta Filter 2" Mounted (OPT-H-BETA-2)
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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
Description
Optolong Narrowband H-Beta Filter 2" Mounted (OPT-H-BETA-2)Opotlong narrowband H beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapour, and both high and low pressure sodium vapour lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i. e. skyglow). H beta emits 486nm
connecting cable supplied USB port power: USB3 or USB2 providing at least 900mA DC jack power: 12V DC
Celestron’s full featured planetarium app
It also now comes with a premium matte finish
This Sky & Telescope "Hot Product" is designed to produce the largest true field possible in a 1¼" eyepiece
Even during long exposures or at high gain settings
generally working with astronomical monochrome cooling CCD and modified DSLR imaging in each single-channel
74 arc seconds Resolution (Dawes) 1
sharp results
even when tested with f/4 scopes
25" Schmidt-Cassegrain
3 g) Dimensions: 104mm x 60mm x 60mm (4
there is an Askar Losmandy-style dovetail plate
Quick Dispatch:
Your Optolong Narrowband H-Beta Filter 2" Mounted (OPT-H-BETA-2) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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.
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