مجموعة عدسات تجريبية بصرية 266 قطعة طقم عدسات تجريبية حافة معدنية من الألومنيوم علبة قابلة للتعديل لاختبار العين حلقات إطار تجريبي نظارات
مميزات خاصة
- Full-aperture,chromium electroplating metal ring
- The diameter of full-aperture is 36.5 mm
- Integral welding process
- Single side lettering at handle, convenient for use and inspection.
- The axial mark of the prism is directly engraved on the mirror surface and never changes in the axial position
وصف
The axial mark of the prism is directly engraved on the mirror surface and never changes in the axial position
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