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Description
Alpine Astronomical FCSETNU-RD36 Overview
The 36mm Baader 3.5/4nm Ultra-Narrowband Filter Set from Alpine Astronomical features three precision-grade filters recommended for optical systems from f/10 to f/3.5. The set includes H-alpha, O-III, and S-II filters optimized for CMOS sensor cameras and suitable for use with CCD sensors.
3.5/4nm half width (to harmonize exposure time of H-alpha with O-III / S-II), recommended for optical systems from f/10 to f/3.5
Enables high contrast even with the strongest light pollution to minimize the size of stars and make nebula details accessible which is useful under a Bortle 9/8/7/(6) sky
Reflex-Blocker hard-coated and optically polished, with Life-Coat sealed coating edges
Blackened edges all around, with a filter front indicator in the form of a black outer edge on the front
Optimized for CMOS sensor cameras and suitable for CCD sensors
FWHM on each filter category carefully designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and s/n ratio
Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim, to additionally eliminate any reflection due to light falling onto the edge of a filter
In the Box
- Alpine Astronomical Baader 3.5/4nm Ultra-Narrowband Filter Set CMOS-Optimized (36mm)
- Limited 2-Year Warranty
Alpine Astronomical FCSETNU-RD36 Specs
Alpine Astronomical FCSETNU-RD36 Reviews
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 148131.9 |
| 3-5 | ₹ 146620.35 |
| 5-10 | ₹ 143597.25 |
| 10+ | ₹ 140574.15 |
Bulk discount will be automatically applied during checkout based on quantity.