(2) Pack of full-page fresnel lens magnifying sheets made by OpticLens. Excellent for reading the fine print in books, magazines, maps, telephone directories, and recipes. They also work great for use in light-duty solar projects such as starting campfires, DIY solar cooking, solar heaters as well as DIY Big Screen Projector Kits. They are made from flexible high-quality, optical-grade PVC. This allows them to be thinner with less distortion as well as being lightweight and easy to hold while using. Optical PVC is virtually shatterproof for safety and peace of mind. Lens Specifications: 7.00″ x 10.25″ (Inches). Thickness: 0.4mm. Weight: 26 grams. Material: optical PVC. Groove pitch: 0.3mm. Focal length: 300mm. Magnification: 3X. Quantity (2 lenses per pack). Note: As with any magnifying sheet, these lenses need to be elevated at least several inches above the page in order to magnify. (Please view the second picture above for an example of a lens in use). They do not provide any magnification effect if laid directly on the surface you are magnifying.
Features
- Lens must be raised at least 1 inch above the surface in order to magnify
- 2 Pack of Opticlens brand full page magnifying sheets
- 3X Magnification (enlarges text to 300% of its original size)
- Flexible optical PVC makes them light-weight, easy to hold and shatterproof
- Great for reading books, maps and menus
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