1. First, insects have compound eyes consisting of up to several thousand optical units called ommatidia, each with a single lens. 2. Many animals have a single lens used to focus light on to a plate able to convert it into nerve impulses. 3. The balancing treatment is also used to reduce the colour effects which a single lens would produce because of the dispersion of the glass. 4. Collins said he sees the issue through a single lens. 5. Nikon and Canon Inc. are among the companies that also make single lens reflex cameras. 6. It uses a single lens, special goggles and computer processers to simulate three dimensions. |
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