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北京东方恒视科技有限公司

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北京东方恒视科技有限公司是一家多年从事广电摄录设备、专业的多媒体视频后期及周边配件的公司。公司自成立以来，一直奉行“以人为本、以技术为中心、以用户需求为导向、以服务为根本”的方针，积极的为广大用户提供了更多技术创新和更高实用价值的各类方案。目前是我国北方地区最大的广播器材销售商之一，2005年获得松......

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佳能镜头HJ17ex7.6B

产品编号：2389760 更新时间：2020-08-14

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北京东方恒视科技有限公司

主营业务：非编工作站，录像机，摄像机，硬盘播出系统，字幕机，磁盘阵列，...
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产品详情

产品详细描述：

In recent years, demand for HD production has steadily expanded to encompass a broad variety of program genres. Under such circumstances, the HJ17ex7.6B has seen a worldwide rise in popularity as a standard HD lens h***ing high performance and ease of operation. The HJ17ex7.6B is a lens whose central design criteria were low weight and ***all physical size to support greater mobility especially for HD newsgathering. It also provides a short MOD of only 0.56m in resp***e to a strong market request. With its high optical imaging qualities the HJ17ex7.6B is distinguished within the HDxs lens series by a high price performance ratio that facilitates many forms of HD program origination. A newly developed digital drive-unit further streamlines the lens ergonomics and ease of operation that empowers camera operator shooting flexibility.
(New drive is loaded with the lens that has ‘A' at the end of its model name such as ‘IRSE A', ‘IASE A'.)

Main Features

	Realization of Miniaturization and Weight Reduction
	The new design achieved a reduction in size that produced a total length of 206.4mm while also reducing the weight of the lens to 1.60kg (IRSE A type) which is crucial to more mobile shooting. Attention to the lens front end design in the form of an optical port diameter of only 82mm and a hood reduced in size so as to not occlude the camera operators viewing of the scene while shooting, further contribute to the dynamic shooting capabilities of the lens.
	Short Minimum Object Distance of 0.56m
	By reducing the minimum object distance to 0.56m the lens can be better utilized within confined spaces allowing objects to be effectively imaged at short distances while operating with a wide angle of view facilitated by the minimum 7.6mm focal length. Design improvements h*e lowered optical aberrati* at the wider angle and open aperture settings.
	High optical performance
	Accumulated design experiences allied with advances in optical technologies and manufacturing techniques h*e contributed to a higher level of overall imaging performance in the HJ17ex7.6B lens. In addition to providing a wider field of view some chromatic and monochromatic aberrati* h*e been reduced. Specifically these include a lowering of longitudinal chromatic aberration at the longer focal lengths, and curtailment of spherical and comatic aberrati*. Adoption of new optical materials also afforded a reduction in curvature of field. The lens focusing system has also been improved over the conventional 2-group inner focus in terms of a shorter MOD and improved resolution at the picture extremities especially over the middle to telephoto focal range.
	New Ergonomic Drive Unit
	Besides the exceptional optical performance, another remarkable character of this new lens is it’s newly designed drive unit. With the goal of pursuing ease of operation, Canon has reached a new design based on human ergonomics, refined by a long term research and testing. Of course, all the advantages from the current e-HDxs Digital Drive Unit such as "Information Display for user customize setting", "Rotary Encoder for virtual studio integration and precise control" and "Enhanced Digital Functi**" are inherited to the new drive unit. See more information from our FAQ*

Lens		HJ17ex7.6B IRSE A / IASE A
Zoom Ratio		17x
Built-in Extender		2.0x
Range of Focal Length (with Extender)		7.6-130mm 15.2-260mm (2.0x)
Maximum Relative Aperture (with Extender)		1:1.8 at 7.6-97.5mm 1:2.4 at 130mm 1:3.6 at 15.2-195mm (2.0x) 1:4.8 at 260mm (2.0x)
Angular Field of View (with Extender)	4:3 Aspect Ratio (8.8 x 6.6mm)	60.1° x 46.9° at 7.6mm 3.9° x 2.9° at 130mm 32.3° x 24.5° at 15.2mm (2.0x) 1.9° x 1.5° at 260mm (2.0x)
	16: 9 Aspect Ratio (9.6 x 5.4mm)	64.6° x 39.1° at 7.6mm 4.2° x 2.4° at 130mm 35.1° x 20.1° at 15.2mm (2.0x) 2.1° x 1.2° at 260mm (2.0x)
Minimum Object Distance (M.O.D)		0.56m (10mm with Macro)
Object Dimensi*** at M.O.D. (with Extender)	4:3 Aspect Ratio (8.8 x 6.6mm)	59.9 x 44.9cm at 7.6mm 3.7 x 2.8cm at 130mm 30.0 x 22.5 cm at 15.2mm (2.0x) 1.9 x 1.4cm at 260mm (2.0x)
	16:9 Aspect Ratio (9.6 x 5.4mm)	65.4 x 36.8 cm at 7.6mm 4.0 x 2.3 cm at 130mm 32.7 x 18.4 cm at 15.2 mm (2.0x) 2.0 x 1.2 cm at 260mm (2.0x)
Macro		Yes
Size (W x H x L)		159.3x106.6x206.4mm
Weight (Approx.)	IRSE A	1.60Kg (3.53lbs)
	IASE A	1.68Kg(3.71lbs)

Operational Accessories

Full servo : SS-41-IASD / SS-41-D
Semi servo: MS-210D