When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. 'Makes a HUGE difference': If you struggle to see small print ...

   www.aol.com/lifestyle/magnipros-book-magnifier...

   Conquer even the smallest type with this handy gadget — complete with a light that allows you to read in bed without irking your spouse.

3. Loupe - Wikipedia

   en.wikipedia.org/wiki/Loupe

   Loupe-mounted lights used to be fed by fiber optic cables that connected to either a wall-mounted or table-top light source. Newer models feature a more convenient LED lamp within the loupe-mounted light and an electric cord coming from either the conventional wall-mounted or table-top light source or a belt clip rechargeable battery pack.

4. Fresnel lens - Wikipedia

   en.wikipedia.org/wiki/Fresnel_lens

   Fresnel lenses are used as simple hand-held magnifiers. They are also used to correct several visual disorders, including ocular-motility disorders such as strabismus. [73] Fresnel lenses have been used to increase the visual size of CRT displays in pocket televisions, notably the Sinclair TV80. They are also used in traffic lights.

5. Traditional handheld refractometer - Wikipedia

   en.wikipedia.org/wiki/Traditional_handheld...

   Reading 46 °Oechsle. A traditional handheld refractometer is an analog instrument for measuring a liquid's refractive index . It works on the critical angle principle by which lenses and prisms project a shadow line onto a small glass reticle inside the instrument, which is then viewed by the user through a magnifying eyepiece.

6. We found the 20 best gifts to buy your grandkids this season

   www.aol.com/lifestyle/best-gifts-grandkids-2024...

   It includes everything they need to unearth the 15 real gemstones—an excavation tool, magnifying glass, and excavation brush—plus it comes with a full-color guide to help them identify what ...

7. Magnifying glass - Wikipedia

   en.wikipedia.org/wiki/Magnifying_glass

   A magnifying glass can be used to focus light, such as to concentrate the Sun's radiation to create a hot spot at the focus for fire starting. A plastic Fresnel lens sold as a TV-screen magnifier A sheet magnifier consists of many very narrow concentric ring-shaped lenses, such that the combination acts as a single lens but is much thinner.