However, in general, performance and image quality from the camera is now with the digital signal prosesing have exceeded the analog camera that we know.
When we buy a camera, of course we have to specify what the camera application, whether for application in the studio, or in the field. Then we memilahnya based on the available budget. Next, we disinilah usually less so beautiful, to select the appropriate lens. Indeed, the lens play an important role for the image generated by the camera.For applications in the field lens, the camera Electronic News Gathering / Electronic Field Production (ENG / EFP), there are three lenses: lens package, professional grade lenses and lens grade broadcast. Lens package is the type of lens with the most affordable price. This type of lens is packed with a camera package ordered. Usually in the order the purchase of the items written only camera 18x zoom lens, for example, without mentioning a specific specification. The price is already included in the package of standard accessories. This lens is designed with the quality of regular, quality optiknya marginal, aspect mekanikalnya also will not survive for a period of a relatively long time. Lens is to be the choice for that application for entry-level, low gala, or for selection if the lens or the camera is only used for work and then be a new one. Examples are the type of camcorder with the same format for the home or consumer use camera.
Category lens with professional grade optis have better quality, the more mechanical aspects you a. This lens berunjuk work for a number of applications, and on the situation of shooting a moderate, not too extreme. This lens is available in the market with different variations of the ratio of zoom and focal length. Are not usually equipped with 2X ekstender. Professional grade lenses that are designed for middle-class camera is also fully equipped with various options for accessories, such as converter for wide and telephoto, zoom studio, and focus control. If treated properly, the lens will work well for many years. This is the type of lens that is owned mostly by camera ENG / EFP on any TV station, although cameranya itself is not the middle class (mid-range).
Broadcast grade lens with a top-of-the-line, both on the quality and optis strength mekanisnya. Lens with a grade is designed to improve the performance of the best type of broadcast camera, and able to give you a service for many years. Use of the lens quality is a standard for broadcast news and production program in most TV stations in the world. The progress of digital technology is applied to the lens system Servo broadcast at this time the process allows a more precise zoom, zoom cruise, one-shot and a preset remote control functions for zoom, focus and iris with RS-232 interface.
From the comparison of prices, and broadcast digital zoom lens 21x price near the price camcordernya also broadcast quality. While the broadcast wide angle lens will cost about 11 / 2 the price 21x lens. While the price of the lens is telenya broadcast 2X lens is 21x better price. Nah, how professional lens price estimate equivalent specification with the 21x lens above? That is about tenth of the price the quality of the lens broadcast earlier.
Let’s see more of the lens and lens studio ENG / EFP. During recent years, there has been rapid progress in the development of lens technology. Studio lenses with focal length of 7mm. up to 168mm. Lens ENG / EFP evolved from 55X to 87X the focal length exceeds 2200mm.!
Lens is designed for studio close-up ability with a minimum object distance, the minimum object distance (MOD) of less than one meter. On the field, reporters are usually the distance is about 2 to 3meter, with the assumption of reporters before reading the text on the teleprompter. While the tele lens in the field will also have the MOD usually between 2 to 3 meters, making it difficult in the studio.
When this lens for High Definition TV (HDTV) has also been growing rapidly, with a higher precision, mechanical tolerance, or a smaller minimum. Because the HDTV format is wider than standard TV, Standard Definition Television (SDTV), namely 16:9, the resolution on the HDTV angle lens should be higher, so that reproduction will be obtained if a more precise picture displayed on the screen size of the width. Also available in the market that the lens can diswitch for aspect ratio of 4:3 and 16:9, which is the ratio of the converter as well as correct the effects of the reduced angle-of-view that occurs when the lens with the dual format used earlier in the 4:3 format.
Several types of wide and tele lens has broadcast quality label with H, which is used in addition to SDTV can also be used for HDTV, somewhen. Why do we ask for this type of lens ..?, Which is clearly lensanya output and has been enhanced rather than the old type only for SDTV.
