SKU:59455630750
Optolong Narrowband H-Beta Filter 1.25" Mounted (OPT-H-BETA-125)
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Description
Optolong Narrowband H-Beta Filter 1.25" Mounted (OPT-H-BETA-125)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
the 8x42 model offers a wide field of view so you can easily follow subjects as they move with less need to move the binoculars
Pack these all-purpose binoculars along for sporting events
44 kg) Slew Speeds: 9 slew speeds - max speed 4°/second Tracking Rates: Sidereal
detailed visual observing using a simple design
the most advanced astronomy software provided with any consumer-grade telescope
500” tube
Unplug your electronic devices
71M-Effective pixels (4/3 format)
Once they’re connected
Glass thickness: 1
10lbs Field Stop 7
RASA Performance Made for Everyone
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Exchange/Return Notes
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