Enhances contrast during planetary observation. Also extremely Useful for solar work in conjunction with Baader Herschel Wedge Prism (#2956500V or #2956500P)
The Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from skyglow 589nm and many street light emissions from artificial light.
Comprises 4 x high quality glass colour filters. Yellow, Red, Green & Moon/Neutral Density Filters included. These filters will fit most internally-threaded eyepiece barrels of 1.25"/31.7mm format. Supplied in attractive foam-lined plastic screw top storage case.
Spare filter holder for Z507-FD-NIKON ZWO Filter Drawer for Nikon cameras and Z506-FD-EOS ZWO Filter Drawer for Canon EOS cameras. These also fit the new M42/M48 and M54 MKII filter drawers.
High quality made 2" variable polarising filter. Ideal for lunar and planetary viewing. Comes as a 2 part system so you can either screw the whole filter onto an eyepiece, or screw 1 part on the eyepiece and the other on a diagonal.
The Astronomik CLS is a budget filter for visual observation, Black & White photography and CCD photographs of nebulae, galaxies and star clusters with astronomical instruments of any size.
Enhances contrast during planetary observation. Also extremely Useful for solar work in conjunction with Baader Herschel Wedge Prism (#2956500V or #2956500P)
Using narrowband filters can often result in slightly dimmer images, which can be difficult to resolve to a focus. You can now use this filter to focus perfectly with a bright image and since they are also parfocal, switch to a different narrow band filter without losing the focus.
The Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants
The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects by selectively reducing the transmission of wavelengths of light pollutants
The Antares Colour Filters are made from high quality optical glass and allow for maximum contrast on viewing planetary and lunar detail. Individually precision ground, highly polished with maximum light transmission coatings on both sides.
The O-III narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm) emitted by diffuse, planetary and extremely faint nebulae.
The Antlia IR Pass 685nm filter is an absorption filter that allows infrared light with wavelengths of more than 685nm to pass through. It nicely complements the Antlia 850nm IR-Pass filter.
The Antlia IR Pass 850nm filter is an absorption filter that allows infrared light with wavelengths of more than 850nm to pass through. It nicely complements the Antlia 685nm IR-Pass filter.
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