Pentax D FA* 70-200mm F2.8ED DC AW

The HD PENTAX-D FA* 70-200mm F2.8ED DC AW has a brand new optical design in the PENTAX Star series, which boasts the highest image quality of all PENTAX interchangeable lenses. In addition to the HD coating, this lens features Aero Bright Coating II, assuring exceptionally low reflectance. Thanks to its large- constant aperture design, the lens provides an accelerated maximum aperture of F2.8 at all focal lengths from 70mm to 200mm. In addition to four super-low dispersion glass elements and two ED (Extra-low Dispersion) glass elements, its optics includes a pair of new Super ED glass elements to effectively compensate chromatic aberration over the entire zoom range and deliver crisp, high-resolution images with edge-to-edge sharpness. Its dustproof, weather-resistant body also makes it extremely dependable and durable in demanding outdoor conditions. This new lens boasts fast yet quiet internal focusing, zoom versatility, and an AF limiter switch which improves autofocus response time.


 

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Pentax D FA* 70-200mm F2.8ED DC AW Specifications


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Rounded (f/2.8-5.6)
No
Yes
مشخصات اصلی
نوع لنز Zoom lens
حداکثر اندازه قالب 35mm FF
فاصله کانونی 70–200 mm
سیستم تثبیت تصویر No
نوع سوار کننده لنز Pentax KAF3
روزنه
حداکثر دیافراگم F2.8
حداقل دیافراگم F22
حلقه تنظیم دیافراگم No
تعداد تیغه های دیافراگم 9
نورشناسی
تعداد المان ها 19
تعداد گروه ها 16
المان ها/ پوشش های ویژه HD, AB, Super Protect coatings
کانون
حداقل فاصله فوکوس 1.20 m (47.24)
حداکثر بزرگ نمایی 0.13×
فوکوس اتوماتیک Yes
فوکوس دستی دائمی Yes
نوع فوکوس Internal
مقیاس فاصله Yes
مقایش DoF No
فیزیکی
وزن 1755 g (3.87 lb)
قطر 92 mm (3.6)
ارتفاع 203 mm (7.99)
مقاوم سازی شده Yes
رنگ Black
روش زوم Rotary (extending)
درپوش لنز Yes
کد نوع درپوش PH-RBM77
سه پایه Yes
سایر مشخصات
توضیحات تمرکز Quick-Shift Focus system allows instant switch to MF when AF is locked
محدود فاصله فوکوس Yes
موضوع فیلتر 77.0 mm

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