William Optics GT81 WIFD Apochromatic Refractor RedCat 51 75 and M48x0

75 and M48x0

NOTE: It is not recommended to use the L-eXtreme with telescopes faster than F/4 as the transmission along the H-Alpha wavelength is subject to a significant reduction

Nikon and Sony E mount are available

reflection nebulae and globular star clusters

Breathable nylon will let air circulate and yet keep dust away

William Optics GT81 WIFD Apochromatic Refractor RedCat 51 75 and M48x0Needs to be ordered in Delivery timeframe about 2 weeks from order. Introducing the WILLIAM OPTICS Internal Focus Design (WIFD) Apochromatic Series. This innovative and revolutionary design combines a precision (Patented) internal focusing mechanism with the highest quality optics available, providing the ultimate Apochromatic refractor for astrophotography. Designed from the ground up with the ability to handle the newest generation of large, heavy,