Zygo

4" Transmission Sphere, F/7.1, 1/20 Wave -- Coated

4" Transmission Sphere, F/7.1, 1/20 Wave -- Coated - Main image
4" Transmission Sphere, F/7.1, 1/20 Wave -- Coated - View 2
$3.1 $4.7 In stock

Category: Accessories

The ZYGO 4" Transmission Sphere, F/7.1, 1/20 Wave, is a coated optical accessory offered under SKU 6024-0404-14. It is listed in the Accessories category and carries the ZYGO brand.

  • 4" transmission sphere
  • F/7.1 aperture
  • 1/20 wave specification
  • Dynaflect coated
  • SKU: 6024-0404-14
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Customer Reviews (5.0 / 5 · 5 reviews)

Abigail M. ★★★★★

The 1/20 wave surface accuracy shows up immediately in the interferogram — fringes are dead straight across the full aperture. That F/7.1 cone mates perfectly with my current setup, and the coating’s holding up well so far. For the price, this is a solid addition to the bench.

Matthew K. ★★★★★

I was really impressed by how clean the wavefront on this transmission sphere is — the 1/20 wave accuracy made a noticeable difference in our test setup. It also fits perfectly into our existing interferometer without any adapters needed.

Ellie N. ★★★★★

Swapped this in for our older reference sphere and the fringe contrast on our Fizeau setup jumped immediately — those clean, straight fringes make alignment so much less fiddly. The F/7.1 focal ratio fits our interferometer nicely and the coating holds up fine under our laser. Genuinely glad we upgr

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