Baader H-alpha Ultra-Highspeed filters 3.5nm Ø 2" optimized for CMOS

Baader H-alpha Ultra-Highspeed filters 3.5nm Ø 2" optimized for CMOS

Name: Baader H-alpha Ultra-Highspeed filters 3.5nm Ø 2" optimized for CMOS
Brand: Baader Planetarium
SKU: BAD2961378
Price: 357.85 EUR
Availability: PreOrder

Reference BAD2961378

Stock at Supplier

357.85

VAT excluded Shipping 5/7d

Ultra high speed H-alpha filters Baader Planetarium in 2" diameter and optimized to work with CMOS sensors

Buy it now and receive it between on Friday, 3 January and Friday, 10 January with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Friday, 3 January - Friday, 10 January

Home delivery - International

Estimated delivery:
Friday, 3 January - Friday, 10 January

✖

Description
Product Details

Ultra-Highspeed Baader H-alpha 3.5nm 2" CMOS-optimized Ultra-Highspeed Filters

This new generation of Baader CMOS filters features:

CMOS-optimized Baader filters
Increased contrast
Increasingly narrower pass bands
Reflex-Blocker ™ coatings, for the greatest freedom from halos, even in the most adverse conditions related to auxiliary optics
FWHM in each filter category carefully designed to allow 1: 1: 1: 1 exposures, combined for typical CMOS quantum efficiency and s/w ratio
Filter thickness identical to existing standards, with extreme care for parafocality
Blackened edges all around, with filter lead-side indicator in the form of a black outer edge on the front side, to additionally eliminate any reflections due to light falling on the edge of a filter
Each filter individually coated, with sealed coating edge (NOT cut from a larger plate with exposed coatings)
Life-Coat ™: increasingly harder coatings to allow for a coating that will not age for life, even in the harshest environment

Summary key features:

2" x 2 mm Baader H-alpha ultra-fast speed filters - Precision grade - with 2" (M48) filter thread
3.5 nm FWHM (to harmonize exposure time with O-III / S-II), recommended for extremely fast f/3.4 to f/1.8 optical systems
Specially designed for special filter requirements when used with fast optics such as the Celestron RASA astrographs
For the highest contrast even with the strongest light pollution, minimizes star size, emphasizes the finest details of the nebula, indispensable under Bortle 9/8/7 / (6) skies
Reflex-Blocker ™ hard-coated and planoptically polished, with sealed coating edges (Life-Coat ™)
Blackened edges all around, with filter lead side indicator in the form of a black outer edge on the front side
Optimized for modern CMOS cameras, but excellent for CCD camera technologies
Mounted on Baader Low Profile Filter Cell (LPFC) - 6 mm high

MANUFACTURER Baader Planetary
NET WEIGHT(KG) 0.07
COLOR Black
TRANSMISSION RANGEH-alpha
FILTER THICKNESS (WITHOUT CELL) 2 mm
HBW (HALF-BANDWIDTH) 3.5 nm
CWL (CENTER WAVELENGTH) 656.3 nm
AR-COATING Reflex-Blocker ™ hard-coated, planoptically polished
SPECIAL FEATURES CMOS optimized with Life-Coat™
FILTER SIZE2 inches
FILTER USAGE CMOS, CCD, H-alpha
FILTER MOUNTED (LPFC 6 mm)
FILTER TYPEf/2 Ultra-Highspeed
SINGLE OR JOINT? Single filter
FILTER SHAPE round

Ultra-Highspeed Baader H-alpha 3.5nm 2" Ultra-Highspeed Filters optimized for CMOS

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