ONTF Company Ltd.
optical engineering services

About us Catalog Cooperation Contacts

85, B. Vishnevetsky st., Cherkassy
e-mail: info@ontf.ck.ua

phone: +380 472 33-72-13
questions and answers

Rhomboid prism

Technical characteristics

Parameter

Allowed values

Size of an entrance face, mm

10х10 to 60х60

Angular tolerance, 45˚, 90˚, arcsec

+/- 3

Pyramidal error, arcsec, max

5

Flatness of reflective faces, λ  (λ=632.8 нм)

0.05 - 0.1λ

Flatness of deflective faces, λ  (λ=632.8 нм)

0.1 - 0.2λ

Wavefront deformation (single pass), λ , (λ=632.8 нм)

13/ (0.5/0.3)

Dimensional tolerance, mm

± 0.1

Surface quality acc. to ISO10110-7

5/3 х 0.16

Roughness acc. to  GOST 11141-84

P II – P V

Prisms can be made of all types of fine-annealing colourless optical glass and fused silica. 

Manufacturing of Spherical Lenses
Manufacturing of Spherical Lenses
Manufacturing of Prisms
Manufacturing of Prisms
Manufacturing of Mirrors
Manufacturing of Mirrors
Coating
Coating
Manufacturing of small series (samples)
Manufacturing of small series (samples)