CEU-500

CEU-1300

CEU-2000

Lens diameter

<100mm  (optional :diameter extensible)

Centration error

Measuring mode

transmission & reflection modes

Measuring range

± 2mm to ±500mm

± 2mm to ±1300mm

± 2mm to ±2000mm

Measuring accuracy

± 0.2um / ±1”

Measuring repeatability

± 0.1um / ±1”

EFL

 (effective focal length)

Measuring range

± 2mm to ±500mm

± 2mm to ±1300mm

± 2mm to ±2000mm

Measuring accuracy

2mm to25mm, 0.1% to 0.3%; 25mm to500mm, 0.03% to 0.1%;500mm to1300mm, 0.06% to 0.4%;
1300mm to 2000mm, 0.06% to 0.4%;

Measuring repeatability

0.03% to 0.2%

BFL (back focal length)

  and Radius of curvature

Measuring range

± 2mm to ±500mm  (extensible)

Measuring accuracy

0.03% to 0.3%

Measuring repeatability

0.02% to 0.2%

Window angle and depth of parallelism measurement

±1”

  Centration error measuring fixture

V shape fixture and electric motor

Optional extensible

modulation transfer function (MTF)