FIELD: physics.
SUBSTANCE: optical system comprises pulse radiation source to expose object, stationary first lens or set of lenses to collimate radiation, second lens or set of lenses moving along system optical axis to transfer first intermediate image into plane of second intermediate image, third lens or set of lenses to transfer second intermediate image into fixed plane of receiver, and image receiver. Parameters of first and second lenses or set of lenses obey relationships specified in claims.
EFFECT: auto focusing and stabilisation of image scale.
8 cl, 7 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| OPTICAL SIGHT | 2010 |
|
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| METHOD AND DEVICE FOR MOVING LASER BEAM NECK | 2008 |
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RU2411598C2 |
| MATCHING LASER OPTICAL SYSTEM FOR ENSURING OUTPUT WAIST SIZE AND POSITION CONSTANCY | 2008 |
|
RU2435182C2 |
