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Mitotoyo UV chromatic aberration correction objective wavelength 266nm-550nm Mitutoyo
Bright field corrects objective with ultraviolet region
M Plan UV
Features: Infinite correction: Bright field observation and laser processing: Long working distance: flat field specifications: UV region (wavelength 266nm) and visible region (commonly observed wavelength region) are calibrated. Emphasis is placed on ensuring high transmittance in the ultraviolet region.
Product size drawing:
Product parameter:
| Name | Article number | Numerical aperture NA | Working distance WD(mm) | Focal length f(mm) | Resolution R(µm) | Focal depth of objective unit ±D.F.(µm) | Actual field of view (mm) | Mass (g) | ||
| f266 | f550 | ø24 eyepiece | 1/2 camera (vertical × horizontal) | |||||||
| M Plan UV M Plan UV 10× | 378-844-15 | 0.25 | 20.0 | 20 | 20.3 | 1.1 | 4.4 | 2.4 | 0.48×0.64 | 310 |
| M Plan UV 20× | 378-837-8 | 0.37 | 15.0 | 10 | 10.4 | 0.7 | 2.0 | 1.2 | 0.24×0.32 | 370 |
| M Plan UV 50× | 378-838-8 | 0.41 | 12.0 | 4 | 4.2 | 0.7 | 1.6 | 0.48 | 0.10×0.13 | 400 |
| M Plan UV 80× | 378-839-5 | 0.55 | 10.0 | 2.5 | 2.9 | 0.5 | 0.9 | 0.3 | 0.06×0.08 | 380 |
● When the mask image is projected on the sample using a combination of a microscope and a YAG laser, the mask image will be reduced to f/200(our company's tube lens, focal length f = 200mm) times the projection. Because f550 > f266, the processing area of ultraviolet light (wavelength 266nm) is slightly smaller than that of the mask image of visible light (wavelength 550nm). ● The resolution and single focal depth of the objective in the above specification column are calculated based on the reference wavelength (λ = 0.55µm).
Liquid crystal UV correction objective for bright field
LCD Plan UV
Features: infinity correction · Clear field observation through liquid crystal glass and laser processing · Long working distance · Flat field specifications
· Correction design according to the thickness of liquid crystal glass is 0.7mm · Suitable for high power observation through glass.
※ The thickness and material (refractive index) of the glass can be designed and made according to the user's specification.
Product size drawing:
Product parameter:
| Name | Article number | Numerical aperture(NA) | Working distanceWD(mm) (Air conversion) | Focus Distance f(mm) | Resolving power R(µm) | The focal depth of the objective unit ±D.F.(µm) | Actual field of view(mm) | Mass（g） | ||
| f266 | f550 | ø24 eyepiece | 1/2 camera (vertical × horizontal) | |||||||
| LCD Plan UV LCD Plan UV 20× (t0.7) | 378-892-8 | 0.37 | 14.98 | 10 | 10.4 | 0.7 | 2.0 | 1.2 | 0.24×0.32 | 370 |
| LCD Plan UV 50× (t0.7) | 378-893-8 | 0.41 | 12.38 | 4 | 4.2 | 0.7 | 0.6 | 0.48 | 0.10×0.13 | 400 |
● When the mask image is projected on the sample using a combination of a microscope and a YAG laser, the mask image will be reduced to f/200(our company's tube lens, focal length f = 200mm) times the projection. Because f550 > f266, the processing area of ultraviolet light (wavelength 266nm) is slightly smaller than that of the mask image of visible light (wavelength 550nm). ● The resolution and single focal depth of the objective in the above specification column are calculated based on the reference wavelength (λ = 0.55µm).
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