Filter SII 7nm ZWO 2"

Name: Filter SII 7nm ZWO 2"
Brand: ZWO
SKU: ZWOSII7_D2
Price: 264.42 EUR
Availability: PreOrder

Reference ZWOSII7_D2

Stock at Supplier

264.42 270.25 -5.83

VAT excluded Shipping 5/7d

The 7 nm narrow band SII filter is designed for specific astrophotography at the 672 nm wavelength. It can be used in combination with the OIII and H-Alpha filters to create "Hubble-like" images. By selectively reducing the transmitted wavelengths, this filter suppresses the effects of street lighting.

Buy it now and receive it between on Wednesday, 2 October and Wednesday, 9 October with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Wednesday, 2 October - Wednesday, 9 October

Home delivery - International

Estimated delivery:
Wednesday, 2 October - Wednesday, 9 October

✖

Description
Product Details

SII 7nm filter ZWO 2"

The extra-narrow band 7nm SII-CCD filter (Sulfur II for CCD) is designed for nebula photography by allowing the passage of light centered on the 672nm wavelength with a bandwidth of 7nm and blocking the transmission of all other wavelengths, specifically those produced by artificial light, including mercury vapor and high and low pressure sodium vapor lights and the unwanted natural light caused by the neutral emission of oxygen in our atmosphere (Skyglow).

Main use

Used in combination with H-alpha and OIII-CCD extra-narrowband filters (SHO set) for CCD tri-color astrophotography

Narrowband images with the SHO set can be made with the Moon in the sky or with strong light pollution, thus preventing your equipment from sitting idle for several weeks.

The Hubble appearance of the images can be made by combining H-alpha, OIII-CCD and SII-CCD, such as the famous "Pillars of Creation" (Eagle Nebula M16)

The narrow band filter does not increase the brightness of the object, but increases the contrast between the nebula and the night sky (without illuminating the nebula).

Usage:

Visual observation (rural sky): Incompatible.
Visual observation (urban sky): Incompatible.
CCD photography: Excellent for nebula contrast enhancement.
DSLR photography (unmodified): Good, although the sensitivity of unmodified sensors is reduced in the IBS spectral line.
DSLR photography (modified): Excellent for contrast enhancement of nebulae.
Planetary photography (from video clips): Uninteresting.

SII 7nm filter ZWO 2"

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