Baader 3.5nm Ultra-Narrowband H-Alpha CCD Filter - 36mm Round Unmounted # FHALNU-RD36 2459453

Our Price: $386.00
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Manufacturer SKU: 2459453
Item Can Ship: Worldwide
Baader f/2 Highspeed Filter: H-Alpha - 1.25" # FHALHS-1 2459393

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Product Details

Baader's new 3.5nm Narrowband Enforced H-alpha filter opens up the extremely narrow 3.5nm H-alpha world. This enforced contrast provides more signal of the faintest nebula detail. Manufacturing such ultra-narrow filters requires extreme coating homogeneity and very high Center Wavelenth Precision, which these filters have been designed for.

Manufacturer part # # FHALNU-RD36 or 2459453

WARNING: This filter is not designed for solar observation. NEVER use these filters for observing or imaging the Sun, or permanent eye and equipment damage will result.