1.25" L-eXtreme Deep-Sky Light Pollution Filter mounts the Alpen Optics Apex Steady

the Alpen Optics Apex Steady 16x30 HD binoculars allow you to experience a rock steady field of view at up to 14x zoom

now enhanced with a USB eyepiece for direct computer connectivity

To install your Illuminator II into the finder

Perfect for twilight hunting sessions or use at sea

the FCD100 glass offers better transmission of red light (where many of the great nebulae shine) and better contrast

1.25" L-eXtreme Deep-Sky Light Pollution Filter mounts the Alpen Optics Apex SteadyThe L eXtreme is a two band filter and the ideal choice for strong suppression of light pollution. It enables astrophotos of objects with narrow band emissions in the O III and H alpha lines out of the city. Professional photographic filter for astronomy Enhances the photographs of emission nebulae in the city Ideal for extreme suppression of light pollution Allows astrophotography even from bright cities Dual band filter with high transmission for O