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ZWO H-ALPHA 7nm NARROWBAND FILTER Size:1.25

ZWO H-ALPHA 7nm NARROWBAND FILTER Size:1.25" this filter completely blocks the

Name: ZWO H-ALPHA 7nm NARROWBAND FILTER Size:1.25" this filter completely blocks the
Brand: www.coronastickers.nu
SKU: 45094639769
Price: 92.00 USD
Availability: InStock
Rating: 4.2511 (11 reviews)

SKU: 45094639769

4.3

USD92.00 USD116.00

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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1

Live Spec

ZWO H-ALPHA 7nm NARROWBAND FILTER Size:1.25" this filter completely blocks theThe ZWO 7nm H alpha narrowband filter enhances the contrast of emission and planetary nebulae. These peculiar nebulae emit light only in specific wavelengths (H; OIII; SII) and the narrowband filters have the property to reject all light outside these bands. The passing band or "window" of these filters is 7nm wide. Considering that the visible light spectrum is between 380nm and 740nm, a 7nm filter would block 98% of the unwanted light. As a result,

Store: www.coronastickers.nu · Domain: www.coronastickers.nu

Description

this filter completely blocks the OIII line at 501nm and below

SKU filter set

making it suitable for a wide range of mounts

Unlike the popular Quark filters

Exchange/Return Notes