SKU:7277859790
Antlia 3nm Narrowband Sulfur II (SII) Pro Filters (SII-3NM-PRO)
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
Description
Antlia 3nm Narrowband Sulfur II (SII) Pro Filters (SII-3NM-PRO)Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narrowband filters enhance contrast of emission targets by lowering the unwanted background signal. Antlia SII 3nm Pro filter is designed to deliver 88% transmission at the 671. 6nm line which provides you with the maximum signal and well defined nebulae structures. Conventional broader narrowband filters cause
As celestial objects appear to drift across the night sky
ASI120S is a lightning-fast and sensitive USB3
focal reducers
5 Resolution (Rayleigh) 1
20") Diopter Adjustment Range: ±4 Twilight Factor 40 Relative Brightness: 16 Limiting Stellar Magnitude: Ideal: 12
In “Tele-Extended” mode
0 INNER DIAMETER / CLEAR APERTURE (MM) 50 60 70 80 100 OUTER DIAMETER 110 120 130 140 160 FILTER MOUNTED
Once you have calibrated with a PoleMaster
even with gloves on
but will allow the telescope to reach focus
480 Lines: 152FPS @8BIT - 117FPS @16BIT
The balanced transmission allows astrophotographs to be taken with minimal color cast to broadband emission objects such as galaxies
Quick Dispatch:
Your Antlia 3nm Narrowband Sulfur II (SII) Pro Filters (SII-3NM-PRO) 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.
- To process your return/exchange, please contact us at [email protected]
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