Zygo

4" Transmission Sphere F/.75

4" Transmission Sphere F/.75 - Main image
4" Transmission Sphere F/.75 - View 2
$2.9 $4.76 In stock

Category: Accessories

The ZYGO 4" Transmission Sphere F/0.75 is an optical accessory designed for use with compatible ZYGO interferometer systems. It is specified at 1/20 wave PV, reflecting the surface quality figure provided for this component.

  • Brand: ZYGO
  • Product type: Transmission Sphere
  • Size: 4 inch
  • F-number: F/0.75
  • Specification: 1/20 wave, PV
  • SKU: 6024-0444-13
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Customer Reviews (4.8 / 5 · 5 reviews)

William ★★★★★

The wavefront error spec of 1/20 PV really shows up in the data—my measurements are cleaner than anything I’ve gotten from cheaper spheres. Setup was straightforward, and the f/0.75 aperture gives me the coverage I need for fast optics without swapping components mid-test.

Riley ★★★★★

The f/0.75 aperture on this transmission sphere is a game-changer for testing fast optics—my measurements came back clean and repeatable right out of the box. I’ve been using it with my interferometer setup for a week now, and the 1/20 wave PV figure holds up exactly as claimed. It’s pricey, but the

Natalie J. ★★★★★

The 1/20 wave PV spec on this sphere is no joke — our fringe pattern cleaned up noticeably compared to the old accessory we'd been limping along with. Fits our interferometer mount fine and the surface looked spotless right out of the case.

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