1.25" diagonal mirror - 99% reflectivity - 1/12 Lambda - CNC metal body
... a deluxe 1.25" star diagonal for high image quality

There are many 1.25" star diagonals on the market. Many of them have a mediocre mirror quality with 90% reflectivity (10% loss) and a plastic body.
The new 1.25" diagonal by TS optics stands for a high-quality alternative to those cheap parts. It offers excellent image and mechanical quality. There's no vignetting over the full 1.25" field.

Technical details:
-- Field illumination: full 1.25" without vignetting
-- Reflectivity: dielectric 99% coating for bright images
-- Optical surface quality: 1/12 Lambda
-- Mirror substrate: BK7 optical glass
-- Body: completely CNC machined
-- Telescope side connection: 1.25" barrel with filter thread
-- Eyepiece side connection: 1.25" barrel with locking screw
-- Effective optical Length: 85mm

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