Physics – Light and Lenses: Lenses and Optical instruments

This is the 5th lesson in the series, “Light and Lenses.” It describes how microscopes, binoculars, and refracting telescopes magnify objects. Source: Mindset Network

How Do They Do It?- Binocular Lenses

For more, visit science.discovery.com | Learn about the incredibly precise engineering that goes into producing the perfect lens. The experts show you how it’s done at the Carl Zeiss laboratory.

Cleaning optic lenses

Lens care tips and Vortex cleaning products.

Birding Tips 2: Cleaning lenses in the field

Birding Tips 2: Lens Cleaning Like most birders, I only tend to think about cleaning my dirty binoculars when I am out in the field. The challenge, of course, is then how does one clean a binocular or telescope lens in the field with out scratching that seriously expensive glass? Using your T-shirt is certainly [...]

Binoculars zoom lenses?

Everybody is saying don’t get zoom binoculars, but what if you want to zoom your binocular in and out of an object that’s probably too close or far away? I’m planning to purchase the nikon traiblazer 10X50, but I’m afraid if there’s no zoom, it will serve no justice. This is my first time purchasing [...]

Contact Lenses Online Canada – Discount Prices and Coupon Codes

You’d like to save on your contact lenses and you’re thinking about buying your lenses on Internet, but you have lot of questions and don’t know where to find answers:
Are these online retailers real? Should I trust them? How could they sell their products at such low prices? This Internet shop sell “nameyourfavoriteproduct” at [...]