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Product parameters：
| Model | ZS-2.5X | ZS-5X | ZS-10X | ZS-20X | ZS-50X |
| Optical system characteristics | Infinitely corrected | Infinitely corrected | Infinitely corrected | Infinitely corrected | Infinitely corrected |
| Observation method | Bright field | Bright field | Bright field | Bright field | Bright field |
| Correction level of chromatic aberration | Achromat | Achromat | Achromat | Achromat | Achromat |
| Magnification (X) | 2.5X | 5X | 10 | 20X | 50 |
| Focal length (mm) | 80 | 40 | 20 | 10 | 4 |
| Numerical aperture (NA) | 0.075 | 0.15 | 0.3 | 0.4 | 0.55 |
| Working distance (WD)[mm] | 10.3 | 9.2 | 7.4 | 4.6 | 3.4 |
| Field of view number | 10 | 5 | 2.5 | 1.25 | 0.5 |
| Resolution(um) | 3.92 | 1.83 | 0.92 | 0.69 | 0.5 |
| Focal depth±D.F.(μm) | 52.267 | 12.22 | 3.06 | 1.72 | 0.91 |
| Parfocalizing distance(mm) | 88.5 | 45 | 45 | 45 | 45 |
| Working medium | Air | / | / | / | / |
| Type of screw thread | WJ4/5"1/36" | WJ4/5"1/36" | W4/5"X1/37" | W4/5"X1/36" | W4/5"X1/36" |
| Weight (g) | 399 | 112 | 113 | 177 | 185 |
| Number | 0375-0002-000 | 0375-9005-000 | 0375-9010-000 | 0375-9020-000 | 0375-9050-000 |
Product size curve：
2.5X curve dimension diagram：
5X curve dimension diagram：
10X curve dimension diagram：
20X curve dimension diagram：
50X curve dimension diagram：
We can ship to you by UPS,FEDEX,DHL,TNT,EMS,other shipping terms can also be arranged according to specific requirements.
We can ship to you by UPS,FEDEX,DHL,TNT,EMS,other shipping terms can also be arranged according to specific requirements.
Note:
We are glad that you can cooperate with us.,As the journey is far away, please be sure to see the parameters or communicate with our sales when selecting the product, Avoid buying wrong products to delay your use..
