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New: Restyled (not a designation found on the lens), aesthetic changes (such lenses were labelled "New" or "Neu" or "(N)" on the box and in the documentation by Minolta, but not specifically labelled on the lens itself). SSM "SuperSonic Motor", silent in-lens ultrasonic motor used on some lenses. Requires 8 lens contacts; lenses with only 5 ...
28–80mm f/4–5.6. 28–105mm f/3.5–4.5. 35–200mm f/4.5–5.6. 80–200mm f/4.5–5.6. 100–300mm f/4.5–5.6. Later, with the introduction of the Maxxum/Alpha 7 and its support for distance-encoded HS (D) flashes in 2001, Minolta began fitting all lenses with the three additional contacts, repurposed to support the Advance Distance ...
Contemporary American "rocks" glasses may be much larger, and used for a variety of beverages over ice; Shot glass, a small glass for up to four ounces of liquor. The modern shot glass has a thicker base and sides than the older whiskey glass. Water glass; Whiskey tumbler, a small, thin-walled glass for a straight shot of liquor
Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.
The optical microscope, also referred to as a light microscope, is a type of microscopethat commonly uses visible lightand a system of lensesto generate magnified images of small objects. Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century.
A method for fusing the sections of the lenses together was developed by Louis de Wecker at the end of the 19th century and patented by John Louis Borsch Jr. (1873–1929) [ 9] in 1908. Today most bifocals are created by molding a reading segment into a primary lens and are available with the reading segments in a variety of shapes and sizes.