Entertainment / Photography / Macro Lens
Macro Lens: Is a lens specially designed to give accurate resolution of a very near subject without the need for supplementary attachments. Sometimes, incorrectly, referred to as a micro lens.
Micro Lens: Is a lens for microscopic photography. Not to be confused with a macro lens.
Meniscus Lens: Is a simple lens consisting of a single piece off glass, thicker at the center than at the edges. It has one concave and one convex face.
Macroscale: The meteorological scale covering an area ranging from the size of a continent to the entire globe.
Macrorestriction Map: Map depicting the order of and distance between sites at which restriction enzymes cleave chromosomes.
Mirror Lens: Is a lens system which uses mirrors within its internal construction. Most lenses of this type have a mixture of reflecting and refracting optics and are known as catadioptric lenses.
Negative Lens: Is a simple concave lens that causes rays of light to diverge away from the optical axis.
Positive Lens: Simple lens that causes light rays from a subject to converge to a point.
Portrait Lens: Lenses produced specifically for portraiture. They usually have a long focal length and produce a slightly diffused image.
Petzval Lens: Early lens system developed by joseph petzval. It had a very wide aperture and was relatively free from aberration. Many modern lenses have developed from this simple three-element design.
Word of the Day:
Fragrance: The sensation of the gases released from ground coffee as they are inhaled through the nose. Ranges from sweetly floral to sweetly spicy.