Lens Focal length [mm]

Nominal field [mm]2

Minimum field [mm]2

Typical working distance [mm]

Diameter of the laser beam [µm]

370

198 × 198

241 × 297

350 ± 5

540

200

110 × 110

134 × 165

190 ± 3

290

125

74 × 74

80 × 105.6

128 ± 2

180

80

27 × 27

33.5 × 41.2

74 ± 1

116