Leica Vario-Elmar-R 21-35mm/F3.5-4.0 ASPH Lens
Do you know this lens is with Double Aspherical glass?
A compact, lightweight zoom lens that covers the full range of the most frequently used focal lengths in the wide-angle range. Even at full aperture, both contrast and sharpness are comparable to those of lenses with fixed focal lengths. In spite of its compact design, it has an unusually high performance. That is due to the use of two aspherical surfaces and two lens elements made of high-refraction optical glass and glass with anomalous partial dispersion. Its aspherical surfaces are fabricated with a highly modern precision polishing process. For a wide-angle lens, susceptibility to reflections and barrel distortion are low. With its highly practical range of focal lengths and its outstanding imaging performance, this lens masters especially those tasks for which one would otherwise need four different wide-angle lenses : From photographing people and their nearby surroundings to spacious landscape photographs with a great feeling of depth. As a wide-angle zoom lens, the use of only two additional zoom lenses can form a high-performance, lightweight and complete outfit – for instance the LEICA VARIO-ELMAR-R 35–70 mm f/4 as the normal focal length and the LEICA VARIO-ELMAR-R 80–200 mm f/4 as the tele lens.
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#leica #leicasl #leicam240 #leicacraft #leicalove #leica_world #leicaworld #leicaimages #leica_camera #aspherical #wide_angle
同時也有1部Youtube影片,追蹤數超過1,650的網紅detarame japanese.ch.,也在其Youtube影片中提到,アメリカはオレゴン発祥borosilicate art. 1980年代半ばに、それまでは防弾ガラスの材料や理化学実験のビーカーなどに使われていたボロシリケートというガラスを用いてアクセサリーや様々なガラスアートを創り出すborosilicate artが誕生した。 Lampwork用の特殊なガスバ...
double refraction 在 detarame japanese.ch. Youtube 的最佳貼文
アメリカはオレゴン発祥borosilicate art.
1980年代半ばに、それまでは防弾ガラスの材料や理化学実験のビーカーなどに使われていたボロシリケートというガラスを用いてアクセサリーや様々なガラスアートを創り出すborosilicate artが誕生した。
Lampwork用の特殊なガスバーナーから出される2500℃を超える炎の中でガラスを練り延ばし、ゴールド、シルバーなどの鉱物を吹き付け色を生みだし、温度が下がるにつれ模様が現れ始め、次第に美しい色を残し固まります。
光の反射、屈折により様々な光を放つ、非常に美しいガラスです。
JAH VIBRATIONではそれぞれ異なる、バックグラウンドを持つアーティストが集まり、自由というキーワードのもと、を世界にひとつだけのガラスアクセサリー制作しています。
#hadowglass
詳細:https://www.facebook.com/JAH-VIBRATION-GLASS-ARTS-235274186566552/
参考動画(Reference video)
【JAH VIBRATION GLASS ARTS】JP02 オパールペンダントトップ制作(glass art/Pyrex)
https://www.youtube.com/watch?v=jchCHk1BGYw
【JAH VIBRATION GLASS ARTS】JP05 ガラスペン制作/Amazing Glass Blowing!!
詳細:https://www.facebook.com/JAH-VIBRATION-GLASS-ARTS-235274186566552/?fref=ts
【JAH VIBRATION GLASS ARTS】JP01 ペンダントトップ制作 (glass art/Pyrex)
https://www.youtube.com/watch?v=WZH-cEwoVHc&t=130s
https://www.youtube.com/watch?v=n9a3xafK_iU
※Those who are viewing from the PC think that it is interesting if it is seen at double speed
Amazing Glass Blowing
America originated in Oregon borosilicate art.
In the mid 1980s, borosilicate art was born to create accessories and various glass art using glass called borosilicate which was used for bulletproof glass materials and beakers for physicochemical experiments.
In the flame that exceeds the temperature of 2500 ° C from a special gas burner for Lampwork, it kneads the glass and blows mineral such as gold and silver to produce color, and as the temperature goes down, the pattern begins to appear and gradually leaves a beautiful color and solidifies I will.
It is a very beautiful glass that emits various lights by reflection and refraction of light.
In JAH VIBRATION artists with different backgrounds are gathered, and under the keyword freedom, we produce only one glass accessory in the world.
[Carlisle Machine Works CCBurner]
http://carlislemachine.com/as_benchburners/cc.php
[Glass Alchemy: Color Lampwork Supplies | Borosilicate Glass]
https://glassalchemy.com/
[paragon sentry xpress 3.0 kiln]
http://www.paragonweb.com/index.cfm
Northstar Glassworks
galaxie
America Oregon origino arte de borosilicato.
A mediados de la decada de 1980, es hasta borosilicato arte para crear los accesorios y una gran variedad de arte en vidrio utilizando un llamado vidrio de borosilicato que se han utilizado, por ejemplo, en un vaso de precipitados de materiales y la fisica y experimento de quimica del vidrio a prueba de balas nacio.
Extended amasando el vidrio en mas de 2500 ℃ a emitirse desde un quemador de gas especial para murano llama, el oro, el color producido pulverizacion minerales como plata, comenzo a aparecer patron de medida que baja la temperatura, la masa dejando a los cada vez mas bellos colores usted.
La reflexion de la luz, emite una variedad de la luz por refraccion, es un vidrio muy bonito.
En JAH vibracion diferente, los artistas se reunieron con el fondo, bajo la palabra clave de la libertad, ha sido la produccion de accesorios de vidrio solo de uno en el mundo.
#波動硝子工芸舎 #アクセサリー #宇宙ガラス
double refraction 在 143 Birefringence: Double Refraction - YouTube 的推薦與評價
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