SKU:90322272739
Chroma Technology 3nm/5nm/8nm SII Filters (27009/27010/27011)
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Description
Chroma Technology 3nm/5nm/8nm SII Filters (27009/27010/27011)SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671. 6 and 673. 1 nm. This filter also separates sulfur emission from H alpha emission (656. 3nm). Specifications 3nm Transmission Curve 5nm Transmission Curve 8nm Transmission Curve Note: All transmission and blocking (OD) data are actual, measured spectra of representative production lots. Spectra
Askar Multi-Connection Plate 90 is a professional design especially for FRA400/5
TRUE RAW Data
Eyepiece-Holster: Not enough space at the telescope
25" Dovetail Bar by Celestron is made to be attached directly to the Celestron 9
Thickness 29 mm Diameter 70 mm Filter Size 2" Filter Thread M48x0
Large Full Well Capacity
Use them on your dew shield or anywhere else you like
5 astrograph a shortened focal ratio of f/5
5 +V Flattener 360mm f/6 +V Extender 446mm f/7
This adapter is the Tri-pier Adapter for Paramount MyT
This upgrade is not only 100% precision CNC made
Converts V Series mounts to a D Series saddle
Quick Dispatch:
Your Chroma Technology 3nm/5nm/8nm SII Filters (27009/27010/27011) orders ship within 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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy