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5 عدسات فريسنل قطرها 80 مم (3.15 بوصة) البعد البؤري 80 مم عدسة أكريليك (وليس زجاج) للتدفئة الشمسية، عدسات المعدات، التعليم البصري (الطول البؤري 80 مم)

KWD 16
ماركة
Six Seasons
فئة
بصريات
وزن
59 g
مقاسالبعد البؤري 80 ملم
– 1 +

مميزات خاصة

  • Diameter 80mm(3.15") with different focal length
  • Thickness: 2mm, Material: PMMA(acrylic)
  • Great for Visual Aid education, Solar heating experiment, DIY Solar concentrator, Scientific Research, Magnifying.
  • High light transmittance, High efficiency in focusing, High precision.
  • We are professional maker for high-precision fresnel lenses

وصف

Fresnel lenses are most used in solar concentration, solar heating and light gathering applications. Or cooking outside as a fire starter.

Fresnel lenses can also be used as projection lenses or magnifiers. They are great for magnifying print in books, magazines, maps, telephone numbers, recipes, etc.

They are great as a gift or toy to childrens who need visual aid.

منتجات شبيهه

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