Sony FE 12-24mm f/2.8 GM Overview
Comprising a range of ultra-wide fields of view, the Sony FE 12-24mm f/2.8 GM is a bright and versatile zoom characterized by its broad range and bright design. Featuring a constant f/2.8 maximum aperture, this lens is ideal for working in available lighting conditions and controlling depth of field to isolate subject matter. Its advanced optical design includes a series of XA, aspherical, Super ED, and ED elements, which combine to reduce a variety of aberrations and distortions for a high degree of sharpness, accurate rendering, and notable color accuracy. An updated Nano AR Coating II has also been applied, which suppresses flare and ghosting for greater contrast when working in bright and backlit conditions.
Complementing the optics is an XD Linear Motor system that uses four separate focusing motors to deliver especially quiet, precise, and quick autofocus performance. A floating focus design is employed, too, that aids in maintaining consistent results throughout the focusing range, from 11″ to infinity. The lens also sports a dust- and moisture-sealed design and fluorine-coated front lens element to support shooting in inclement conditions and there is a built-in petal-shaped lens hood to block stray light and physically protect the front element.
- كجزء من سلسلة G Master المرموقة من سوني، تم تصميم هذه العدسة لتحقيق دقة وضوح عالية بشكل ملحوظ من خلال تصحيح مجموعة واسعة من الانحرافات الكروية واللونية. بالإضافة إلى ذلك، تتميز هذه العدسات بتصميمات مادية قوية وسهلة الاستخدام لإفادة تطبيقات التصوير الفوتوغرافي والسينمائي.
- Versatile ultra-wide-angle zoom is designed for full-frame Sony E-mount mirrorless cameras, however can also be used on APS-C models where it provides an 18-36mm equivalent focal length.
- Bright f/2.8 constant maximum aperture benefits working in difficult lighting conditions and also affords increased control over depth of field.
- Three XA (extreme aspherical) elements, and one standard aspherical element, are incorporated into the optical design, which features superior surface precision for effective control over astigmatism, field curvature, coma, distortion and other spherical aberrations for a high degree of sharpness and accurate rendering.
- Two Super ED elements and three extra-low dispersion elements are featured in the lens design and help to reduce chromatic aberrations and color fringing for improved clarity and color neutrality.
- تم تطبيق طلاء Nano AR II لتقليل انعكاسات السطح والتوهج والظلال لزيادة التباين وتجسيد اللون في ظروف الإضاءة القوية. هذا الطلاء المحدث مناسب بشكل أفضل للعناصر الأكبر والمنحنية وهو بارع بشكل خاص في تقليل الانعكاسات الداخلية.
- Floating focusing system divides the focus group into two separately controlled groups and helps to maintain consistently clear optical performance throughout the zoom and focus ranges.
- An XD Linear Motor system uses four separate motors—two per focusing group—along with an internal focusing design to provide quick, quiet, and precise autofocus and tracking performance. This design also contributes to more natural, intuitive Linear Response manual focus control and an AF/MF switch is located on the lens barrel for tactile control over this setting.
- A focus hold button is present on the lens barrel for intuitive tactile control and rapid access to select settings.
- Minimum focusing distance of 11″ is available throughout the zoom range.
- يتمتع التصميم بمقاومة للغبار والرطوبة، مما يجعله مناسبًا للاستخدام في الظروف القاسية. العنصر الأمامي مطلي بالفلور لمقاومة الغبار والرطوبة وسهولة التنظيف.
- يقاوم العنصر الأمامي المطلي بالفلور الغبار والرطوبة وبصمات الأصابع ويسهل تنظيفه.
- Rounded nine-blade diaphragm contributes to a pleasing bokeh quality when employing shallow depth of field techniques.
- يساعد غطاء العدسة المدمج على شكل بتلة على منع الضوء الشارد من التسبب في توهج العدسة ويوفر أيضا بعض الحماية المادية للعنصر الأمامي.
- تم دمج حامل المرشح في الجزء الخلفي من العدسة ، داخل حامل العدسة ، ويقبل مرشحات الجل المقطوعة ويتم تضمين قالب قطع المرشح.
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