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Used with caution for the Ni-MH battery discharge flashlights

, The voltage has dropped to 0.6V (Of course, this is my test results under specific conditions.) Fortunately, this only allows a battery charger in the discharge, yet not too serious harm, at least the short term but also imperceptible. When two or more batteries in series with the discharge, if the battery capacity is different, it is easy to produce a battery has no electricity and an electric battery by the other state of the reverse charge. This cell damage can be more serious, and sometimes can not recharge. I've used SLR cameras, with four nickel-cadmium batteries, once had a battery charge and the lessons to be anti-l. Now,[link widoczny dla zalogowanych], the camera generally with a Ni-MH battery, which is basically no longer memory, combined with the camera now have the instructions of the battery, I think not every implementation of the discharge. If you need to discharge, and want to use the torch discharge is important to note: the first one not to miss the power, the second not to form a counter-charge of a cell. Friends of the exchange between the holding film's good intentions,[link widoczny dla zalogowanych], respect my views. Inappropriate, please Jia and Photographic criticism, correction. [True language editing] I use the lens Jia Qi of China (Henan) standard wide-angle zoom lens, \The latter is too slim slender body, and then used the Ricoh XR-X2000 supporting body, with the telephoto end is difficult to hold the shot, aperture bias / J, poor imaging, low prices after a few years transferred to the video Friends. 2O04 late fall,[link widoczny dla zalogowanych], a shadow in the city to participate in affairs, and my teachers and friends talk about their hard-core video has no ~ only ultra-wide-angle lens automatically, I am sorry not to be past his generosity,[link widoczny dla zalogowanych], lend me an ICP 19 ~ 35mm / 3.5 ~ 4.5Series1 No lens (with photos). I have the chance to play in the ICP fantasy 1 \Silver only EF lens mount, Canon EoS Series can be equipped with camera, lens number is 9040847, estimated born in the early 90s of last century. Violet blue lens coating at first sight is very beautiful, tall, proper grip in the hands of feeling lighter weight, in addition to other Tongshen Block mount plastic production. Silver barrel and black focus ring,[link widoczny dla zalogowanych], focus ring, automatic, manual conversion button black and white, printed with two mirrors inside and outside the mouth of a red circle outside the front and the lens cover printed \1 \Filter front-access!: L ~ 77mm (such a filter is estimated that expensive), plastic hood with bayonet, wear a bit after the shot was \Canon 300QD the head and body, BP, after a complete battery of 200, looked around coordination. Use the zoom ring feel feel comparatively good damping medium. In automatic mode the focus ring has a very clear Songkuang rotation sense of the scene during the turn of the focus distance, the lens rotation \Adjust the focus in manual mode, too smooth feel a sense of no damping. Outside the lens focus mode because, when the front of the lens focus the focus ring back and forth with the rotation, the use of polarizing filters may have a lot of inconvenience, because of their way by external focus, the focus is clearly slower than the Canon, Tamron, etc. within lens. I only side with ordinary 28mm lens ICP 28-70 manual lens, Tamron 28 ~ 28mm focal length lens 200 automatically segments the same body in different test shoot other conditions compared to the first image sharpness better than the normal ICP , color reproduction was no significant difference between watching the naked eye, and Tamron lens comparison, ICP a better distortion control, the two other indicators are similar to the naked eye is difficult to find differences. ICP 19 to 35 ultra-wide angle lens landscape and narrow in the film / J, Lot advantage of the large angle, 28mm lens pales. This method is only a simple rough comparison, the lack of detailed data Buzuweiping, to show that the ICP No. 19 ~ 35mm/3.5 ~ 4.5Series1 shooting meet the general needs of the lens. Ultra-wide-angle zoom lens with the other brands compare price advantage is obvious, just when the market of more than 1900 yuan, to the turn of the century down to about 1,200 yuan, in recent years have been hard to find in the new camera equipment stores disappeared. In the 21st century, the rapid popularization of the rapid development of digital cameras. Sigma, Tamron focused their attention on the market, has introduced a digital SLR camera complete with all kinds of lenses, the lens seems to be ICP in the fierce market competition Jiliuyongtui, the market more and more rare. If a brand is not developed in the digital era of digital products, will be the times and out of the market, ICP camera (heard not seen) and the lens will not disappear in the market 10 years ago, the ICP equipment shop counters will reproduce it? (high, editing] 00u. ●

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