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Optolong LRGB filter set - 36mm diameter, unmounted

This CCD filter set contains RGB and a luminance filter, it is suitable for tricolor imaging of planets and deep sky objects.

♦ Set of filters for RGB

♦ L filter for focus and luminance registration, UV/IR blocking

♦ preferred for CDD cameras with full frame transfer technology

♦ All 2mm thick and therefore homofocal

♦ Interference filter

♦ 36mm diameter round glass disc

♦ optically polished

♦ Multi-layer hard coating - non-reflective and largely scratch resistant

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Entrega entre 8 y 10 días laborables
Entrega entre 8 y 10 días laborables

The complete set of filters for three color images.

This filter set contains the complete four piece LRGB set. It is suitable for planetary photography as well as capturing deep sky objects.

LRGB filter set

These filters split light into red, green, and blue components, plus a luminance signal across all color ranges. However, UV and IR rays are blocked.

The OIII emission is passed through the blue and green filters with maximum transmittance, allowing highly efficient photography with natural color reproduction. The space between the green and red filters blocks the annoying sodium line of light pollution at 589nm and improves color balance and color separation.

Main use and properties

♦ Good for recordings with cameras without Bayer mask (monochrome)

♦ Suitable for both deep sky and planetary imaging

♦ RGB recording allows equal weighting of each channel, very important for automated image acquisition.

♦ The ideal raw material for image processing in the sRGB color space is available by combining LRGB filters with a black and white CCD camera.

Substrate: High-quality optical glass from Schott
Thickness: 2.0 mm
Surface Treatment: Fine-optically polished
Surface Polish Quality: 60/40 (Refer to MIL-O-13830)
Surface Quality: 1/4 wavefront
Coating: Muti-coated
IR cutoff at: 700-1100 nm
Cell: Round glass plate with 31 mm diameter, no cell
Typical transmission off-band: 0.1% (OD3)
Typical transmission LRGB passband: 95%
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