|
|
|
1329 zł
|
|
price without VAT: 1080,49 zł
|
| |
 Shop online:
● on request
Shop in Warsaw (qty):
● on request
Shop in Chorzow (qty):
● on request
|
|
Astronomik OIII 12nm CCD T-Mount Filter (M42x0.75) (SKU: 10215042 / 8h00bl) is a narrowband emission filter designed for imaging nebulae that emit light in the oxygen [OIII] lines. It records radiation at wavelengths of 496 nm and 501 nm, significantly increasing contrast between the object and the sky background. The T-Mount version is designed for optical systems using the T2 thread (M42 x 0.75).
The filter effectively suppresses light pollution caused by sodium and mercury vapor lamps, natural airglow and a large portion of moonlight. This allows high-contrast nebula imaging both under dark skies and in heavily light-polluted locations.
The narrow 12 nm transmission band blocks almost all unwanted light at other wavelengths – from ultraviolet to infrared. The filter enables detailed imaging of planetary nebulae, star-forming regions and supernova remnants.
When combined with H-alpha and SII filters, it enables the creation of emission-line images in the HSO palette commonly used in deep-sky astrophotography.
• narrowband OIII filter for imaging emission nebulae
• transmission band covering the [OIII] lines at 496 nm and 501 nm
• 12 nm bandwidth
• effective suppression of light pollution
• high contrast imaging of faint nebula structures
• blocking of unwanted light from UV to IR
• Astronomik MFR coating for high transmission and minimal stray light
• compatibility with T-Mount systems (M42 x 0.75)
• Astronomik OIII 12nm CCD T-Mount filter (M42 x 0.75)
• durable protective filter box
• type: OIII narrowband filter
• emission lines: 496 nm, 501 nm
• bandwidth (FWHM): 12 nm
• guaranteed transmission at OIII line (501 nm): over 90%
• typical transmission at OIII line: 95%
• mounting thread: T-Mount (M42 x 0.75)
• glass thickness: 1 mm
• material: finely polished optical glass free of streaks, internal stress and bubbles
• coating: Astronomik MFR
• focal ratio range: f/3 – f/∞
• coating durability: highly resistant to scratches, humidity and aging
• optical characteristics: parfocal, diffraction-limited
The Astronomik OIII 12nm CCD filter enables astrophotographers to capture oxygen-emission nebula structures with excellent contrast and fine detail even under challenging observing conditions.
|
