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Pentax DA 70mm F2.4 Limited lens

Ilse Jurrien
Photokina report
Thursday 14th, September 2006
Posted by: Ilse Jurrien

An Interchangeable Medium-Telephoto Lens for Pentax Digital SLR Cameras, Featuring Ultra-Thin Pancake Design and High-Quality Visual Description Corporation is pleased to announce the introduction of the smc Pentax-DA 70mm F2.4 Limited lens, designed for exclusive use with its digital SLR cameras and featuring an ultra-thin design and uni-focal, medium-telephoto optics. With its medium-telephoto perspective, this new lens is ideal for portrait and landscape photography. Its high-performance optics not only assures outstanding image quality, but also provides distinctive visual expression. The materials used for this lens have been carefully selected for optimum holding comfort and operability.

Pentax 70mm DA lens

Pentax DA 70mm F2.4 - Portrait photography
Thanks to Pentax’s advanced manufacturing technology, this new lens is designed to be extremely thin and lightweight, assuring go-anywhere portability for casual, day-to-day snapshot photography. Thanks to its newly developed, high-performance optics, this new medium-telephoto lens measures only 26 millimeters long and weighs a mere 130 grams. When mounted on a Pentax digital SLR camera body, it protrudes very little from the camera’s front panel and offers a focal length equivalent to 107mm in 35mm format, making it a perfect choice for casual portrait and landscape photography.

Pentax DA 70mm F2.4 Limited lens - Material
The Pentax Limited Lens series is designed for distinctive visual description by combining a series of mechanical and numerical evaluations with human assessment of test-shooting samples. As a result, this lens produces smooth, natural skin tones and beautiful out-of-focus backgrounds at open aperture in portrait applications, while assuring crisp, high-contrast images at closed-down aperture in landscape photography. The lens barrel, hood and cap are all made of a high-grade aluminum material, shaped for perfect proportions and striking beauty. The focusing ring is designed for superb accessibility and maximum ease of focusing operation.

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Pentax DA 70mm lens - Pentax CCD
The Pentax-original Super Protect (SP) coating is applied to the front surface of this lens. Through a vapor deposition process, the lens surface is coated with a special fluorine compound to repel dust, water and grease, making it easy to wipe off fingerprints and cosmetics. This lens is exclusively designed for use with Pentax digital SLR cameras, with an image circle perfectly proportioned to the CCD size (23.5mm x 15.7mm), and optics optimized for digital imaging characteristics.

Pentax lens DA 70mm F2.4 Limited - Diaphragm
Combining high-quality image reproduction with an ultra-thin, super-lightweight design, it is a perfect partner to Pentax digital SLR cameras. Pentax-developed Quick-Shift Focus System for instant switching to manual-focus operation after the subject is captured in focus by the AF system Detachable, extendible lens hood (included) for enhanced portability Nine-blade diaphragm for natural out-of-focus description

Pentax 70mm F2.4 DA Limited lens - Specifications
• Lens mount: Pentax KAF mount
• Lens construction: 6 elements in 5 groups
• Angle of view: 23° ( when used with istD-series & K100D camera body)
• Aperture control: Automatic
• Number of diaphragm blades: 9
• Minimum aperture: F22
• Metering system: TTL open-aperture metering
• Minimum focusing distance: 0.7m (2.3 ft.)
• Filter size: 49mm
• Maximum magnification: 0.12X
• Dimensions (diameter x length): 63mm x 26mm (2.5 inches x 1.0 inch)
• Weight: 130g (4.6 oz.) without hood; 150g (5.3 oz.) with hood

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