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Home Accessories Diagonals Telescope Diagonals For Astronomy Altair Lightwave Premium Dielectric 2 Inch Diagonal
A premium dielectric-coated star-diagonal boating 99 percent reflectivity coatings with a high quality CNC machined chassis to hold extra heavy eyepieces. This diagonal represents a serious upgrade to a telescope, the standard diagonal supplied with most telescopes is weak link in the optical train. Ideal for refractors and large eyepieces or Altair binoviewers. Top quality mirror with 99% reflective dielectric coatings. The scratch resistant dielectric mirror coating enables more frequent cleaning than softer aluminium coated diagonals and is extremely chemically stable. 2" Pushfit barrel precision machined. 2" Brass compression ring to protect eyepieces from marring. Includes a 2" to 1.25" adapter with compression ring for smaller eyepieces. Threaded for use with standard 2" astro filters (M48x0.75mm thread). Blackened interior for high contrast (especially recommended for the moon, sun and planets!). Super-hard black anodising for extra durability. Includes dust caps both ends, and a foam filled box.
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