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This is a list of smartphones with a telephoto lens that offers a focal length (35mm equivalent) of at least 100mm or "4× optical zoom" with an imaging area equivalent to a 1/3.5″ or larger sensor. Smartphone lenses are often marketed in terms of "optical zoom" [1] relative to the phone's main camera. For example, 120mm is usually referred ...
A triplet lens A Steinheil triplet telescope eyepiece. The three lenses may be cemented together, as in the Steinheil triplet (optimized for finite conjugate ratio) or the Hastings triplet (optimized for infinite conjugate ratio). [2] Or a triplet may be designed with three spaced glasses, as in the Cooke triplet. The former has the advantage ...
The following is a list of lenses manufactured by Leica Camera. List of Leica lenses ... with a "free tripod" — a VW Fox) Leica modular APO-Telyt-R 260/400/560 head;
Schneider-Kreuznach MACRO-SYMMAR 2.4/85 Schneider-Kreuznach TS 90mm lens The Macro-Symmar HM is a variation of the Symmar design, engineered for 1:1 macro work and flat-field copying. The 80 mm is a 6-element, 4-group lens with a 47° angle of coverage, while the other lenses in the line are 8-element, 4-group designs with 55° of coverage.
The ETX started out as a 90 mm (3-1/2") Maksutov Cassegrain telescope (first produced in 1996) and took advantage of high volume mass production and simplified optical and parts construction to open a new market for a cheap alternative to the very expensive Questar 3-1/2 Maksutov Cassegrain [1] [2] The ETX "line" has been expanded to 105 mm, and 125 mm Maksutov Cassegrains and achromatic ...
The first Tessar appeared with a maximum aperture of f /6.3, but by 1917, the maximum aperture had been increased to f /4.5.In 1930, Ernst Wandersleb and Willy Merté from Zeiss developed Tessar lenses with apertures of f /3.5 and f /2.8.
For optical triple stars, see Category:Triple stars Subcategories. This category has the following 3 subcategories, out of 3 total. A. Alpha Centauri (2 C, 10 P) G ...
In February 2022, Oppo announced a three-year partnership with Hasselblad, to co-develop industry-leading camera technologies for Oppo's flagship Find X series. The triple-camera 5G handset Oppo Find X5 uses Hasselblad technology for the first time on an Oppo device, followed by the series' successors the Oppo Find X6 and the Oppo Find X7. [68 ...