Chroma SII 3nm 2" narrow band filter

Name: Chroma SII 3nm 2" narrow band filter
Brand: Chroma
SKU: CHR66093
Price: 1583.43 EUR
Availability: PreOrder

Reference CHR66093

Stock at Supplier

1,583.43 1,632.23 -48.80

VAT excluded Shipping 5/7d

SII filter: the narrow-band filter only lets through light from ionized sulfur atoms at 672 nanometers, which is the line at which many planetary nebulae, emission nebulae and supernova remnants are illuminated.

Buy it now and receive it between on Monday, 18 November and Monday, 25 November with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Monday, 18 November - Monday, 25 November

Home delivery - International

Estimated delivery:
Monday, 18 November - Monday, 25 November

✖

Description
Product Details

PRODUCT DESCRIPTION

SII filters isolate the spectral emission from singly ionized sulfur atoms, also common in nebulae. The emission occurs in two lines that form a doublet, at 671.6 and 673.1 nm. This filter also separates the sulfur emission from the H-alpha emission (656.3 nm).

SPECIFICATIONS

Capacity

Connection (telescope side): 2"
Frame: 2"
Support material: Aluminum
Center axis length (nm): 672
Width at mid-height (nm): 3

General

Type: Filter
Construction type: Line filter

Applications

Planetary nebulae: yes
Supernova remnants: yes
Suitable for photographic purposes: yes
Against light pollution: yes

All transmission and blocking (OD) data are actual spectra measured from representative production batches. Spectra vary slightly from batch to batch. OD values above 6 may appear noisy because such evaluations push the resolution limit of low light level measurements.

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