| Model: | TW-1101A |
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| Brand: | Towoo |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument |
| Label: | trial frames , ophthalmic instrumen , optical equipment |
| Price: |
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| Min. Order: | - |
| Last Online:26 Nov, 2024 |
| specifications: | Range of PD adjustments: PD of both eyes: 48 ~ 80mm left or right PD: 24 ~ 40mm Minimum graduated value: 1mm Dividing disc axial graduation: Left dividing disc: 120degree~0degree~135 degree Right dividing disc: 45degree~180degree~60degree Axial graduation increases along the lens frame axis counter clockwise,and the graduated distance is 50. Inner diameter of lens frame: 32.5mm. Number of lens which can be inserted into left or right lensframe simultaneously: 4 pieces Degree of lens rotating around optical axis in the lens frame: 360 degree. Nonparallelism between lens´optical axis and lens frame´s geometric axis: ≤2.5 degree. Non-concentricity between lens´optical center and lens frame geometric center: ≤0.5mm. Displacement of lens in relation to position of lens frame geometric center: ≤0.3mm. Range of nose rest adjustment: Length:0 ~ 14mm; angle:0 degree ~ 30 degree Range of left or right lens frame leg´s length adjustment: 98 ~ 135mm. Maximum interval between left and right lens frame legs:200mm. Weight:70g |
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