ALTAIR F200O365CCD 2" OIII 6.5nm narrow band filter

ALTAIR F200O365CCD 2" OIII 6.5nm narrow band filter

Name: ALTAIR F200O365CCD 2" OIII 6.5nm narrow band filter
Brand: Altair Astro
SKU: ALTF200O365CCD
Price: 183.45 EUR
Availability: PreOrder

Reference ALTF200O365CCD

Stock at Supplier

183.45

VAT excluded Shipping 5/7d

The Altair Astro Premium OIII 6.5nm filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting light pollution wavelengths. The filter blocks UV IR rays and has an AR anti-reflective coating.

Buy it now and receive it between on Thursday, 23 January and Thursday, 30 January with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Thursday, 23 January - Thursday, 30 January

Home delivery - International

Estimated delivery:
Thursday, 23 January - Thursday, 30 January

✖

Description
Product Details

The Altair Astro Premium OIII 6.5nm filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting light pollution wavelengths. The filter blocks UV IR rays and has an AR anti-reflection coating.

The OIII filters can also be used for visual observation of nebulae with apertures of 8" or larger, providing extremely high contrast views of nebulae.

Purchasing the complete SHO set allows significant savings compared to purchasing the filters separately.

A 6.5nm to 7nm FHWM provides higher contrast compared to 12nm FHWM filters, e.g., for better performance in heavily light-polluted urban areas, and higher contrast for imaging faint objects. Emission lines from artificial illumination (mercury (Hg) and sodium (Na)), as well as sky glow, are completely suppressed, allowing long exposures in urban conditions. LED illumination outside the OIII bandpass is also blocked.

Steep transmission curves with narrow pass bands provide high image contrast. Advanced UV/IR blocking coatings allow small size stars to be obtained even with refractor optics.

Technical specifications:

AR (anti-reflection) coatings suppress halo effects and internal reflections for more pleasing star images.
Ultra-thin BK7 glass housed in a precision CNC-machined filter cell for stress-free, tilt-free mounting.
A thickness of 1.85 mm
1/4 wave flatness
30 arc second parallelism.

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