フレネルレンズ, 偏光板

汽车広角フレネルレンズ
サイズ： 200mm x 250mm (8"×10")
厚さ： 1mm
材質： ソフトPVC
溝ピッチ： 0.5mm
焦点距離： -300mm
見る角度：上方：13º 側：25º 下：27º
Benefit: The lens enable driver to actually see many objects under the rear window you can't not see through inside mirror and outside rear view mirrors.
Use the rear window fresnel lens, you can avoid accidents due to the children, pets and other low-lying objects in blind spot behind your vehicle while backing up.
Apply to the window of your house. It is easy to keep your eye on kids, yard, pool or pets. Also can help to warn you against unwanted visitors.

Quantity  Unit Price
  250~      $3.90
  100~      $4.30
   50~      $5.20
   25~      $6.00
   10~      $7.00