Beijing PDV Instrument Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Delivery Time | 1-2 weeks |
| Magnification | 5X , 10X , 20X |
| W.D.(mm) | 34 , 19 , 13 |
| F(mm) | 10.9 , 2.7 , 1.5 |
| R(μm) | 1.5 , 0.74 , 0.56 |
| FL(mm) | 40 , 20 , 10 |
| Length(mm) | 61 , 76 , 82 |
| Brand Name | Mitutoyo |
| Model Number | CCW-371 , CCW-372 , CCW-373 |
| Place of Origin | Japan |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Delivery Time | 1-2 weeks |
| Magnification | 5X , 10X , 20X | W.D.(mm) | 34 , 19 , 13 |
| F(mm) | 10.9 , 2.7 , 1.5 | R(μm) | 1.5 , 0.74 , 0.56 |
| FL(mm) | 40 , 20 , 10 | Length(mm) | 61 , 76 , 82 |
| Brand Name | Mitutoyo | Model Number | CCW-371 , CCW-372 , CCW-373 |
| Place of Origin | Japan | ||
| High Light | 20X Achromatic Objective Lens ，10X Achromatic Objective Lens ，High Resolution 20x objective lens | ||
High Resolution Far Field Correction Objective , Achromatic Objective Lens
Technical parameters:
High resolution
Long working distance
Compatible with Mitutoyo microscope and accessories
Compared with Mitutoyo's M plan apo series lens, the M plan apo series of this product has higher resolution, maintains a long working distance and reaches the diffraction limit level. Compatible with Mitutoyo standard m26x0 706mm thread and 95mm flush focus, interchangeable with Mitutoyo microscope and accessories.
Product specification:
| Model | CCW-371 | CCW-372 | CCW-373 |
| Magnification: | 5XM Plan High resolution Infinity correction objective | 10XM PlanHigh resolution Infinity correction objective | 20XM Plan High resolution Infinity correction objective |
| NA: | 0.225 | 0.45 | 0.6 |
| Working distance (mm) | 34 | 19 | 13 |
| Depth of field(μm) | 10.9 | 2.7 | 1.5 |
| Resolution (μm) | 1.5 | 0.74 | 0.56 |
| Horizontal field of view, 1 / 2 "sensor | 1.28mm | 0.64mm | 0.32mm |
| Horizontal field of view, 2 / 3 "sensor | 1.80mm | 0.88mm | 0.44mm |
| Field aperture diameter (mm) | 11 | 11 | 11 |
| FL (mm) | 40 | 20 | 10 |
| Length(mm) | 61 | 76 | 82 |
| Maximum diameter (mm) | 34 | 34 | 34 |
| Mounting thread | M26 x 36 TPI | M26 x 36 TPI | M26 x 36 TPI |
| Method | Infinity Corrected | Infinity Corrected | Infinity Corrected |
| Type | Microscope Objective | Microscope Objective | Microscope Objective |
| Weight(g) | 210 | 205 | 240 |
Product Dimension Map:
Application of far field correction objective lens and barrel lens
A barrel lens must be used to image the far-field correction objective. The application advantage of far-field correction objective lens and barrel lens is to leave enough space between them, so as to allow other optical elements to enter the system, such as filter or beam splitting lens. The distance (L) between the objective lens and the barrel lens is variable, but this will affect the size of the imaging area( Φ), Equations 1 and 2 below define Φ And L.
∅ 1 (mm) = exit pupil of objective lens
∅ 2 (mm) = diameter of lens barrel into pupil
Focal length (F1) = objective lens
F2 (mm) = focal length of lens barrel
Na = numerical aperture of objective lens
example:
Using M plan apo 10x objective lens (#46-144), MT-1 barrel lens (#54-774) and 2 / 3 "camera, what is the maximum space of objective lens and barrel lens without vignetting?
The objective lens focal length (F1) is 20 mm and the numerical aperture is 0.28, so that the exit pupil diameter:
The diagonal of the 2 / 3 "sensor is 11mm, so Φ The minimum value is 11mm, the focal length of MT-1 barrel lens is 200mm, and its entrance pupil diameter is 24mm. Therefore,
In this way, as long as the distance between the objective lens and the barrel lens is less than 232.7mm, there will be no vignetting.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2005
Total Annual:
3000000-3500000
Employee Number:
100~120
Ecer Certification：
Active Member
Beijing PDV Instrument Co., Ltd is a collection of optics, precision machinery, automatic control technology independent high-tech research and development enterprises. Since 2005, we have been serving the scientific research institutes and universities. We have developed the hardware and software s... Beijing PDV Instrument Co., Ltd is a collection of optics, precision machinery, automatic control technology independent high-tech research and development enterprises. Since 2005, we have been serving the scientific research institutes and universities. We have developed the hardware and software s...
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