| ₹ 26395.0 includes GST and import duties. | |
| B2B customers can avail ₹ 4025.24 ITC on this product | |
| 100% Secure Payments | 100% Genuine product | |
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Description
Alpine Astronomical FCSIIN-RD31 Overview
This 31mm Round, Unmounted Baader S-II Narrowband Filter, from Alpine Astronomical, is a 6.5nm FWHM filter recommended for optical systems from f/10 to f/3.5. It features a Reflex-Blocker hard coating, which has been planeoptically polished, and has Life-Coat sealed coating edges. It is equally suitable for modern CMOS sensors as well as for older CCD camera technologies.
- Reflex-Blocker coatings offer largest ever freedom from halos, even under most adverse conditions concerning aux-optics
- Identical filter thickness to existing standards, with utmost care for parfocality
- 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
- Each filter coated individually, with sealed coating edge (not cut out of a larger plate with coatings left exposed)
- Life-Coat: evermore hard coatings to enable a non-aging coating for life - even in a most adverse environment
In the Box
- Alpine Astronomical Baader S-II Narrowband Filter (31mm Round, Unmounted Filter)
- Limited Lifetime Warranty
Alpine Astronomical FCSIIN-RD31 Specs
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 25867.1 |
| 3-5 | ₹ 25603.15 |
| 5-10 | ₹ 25075.25 |
| 10+ | ₹ 24547.35 |
Bulk discount will be automatically applied during checkout based on quantity.