Power use time namely digital camera Battery Charger use original battery can photographs number. Digital camera often can use dry cell batteries, manganese base zinc, nickel cadmium battery, nickel-metal hydride batteries, lithium ion battery and lithium battery as its power. Use the battery as a power supply, not only replace simple, and make the camera and easy to carry, flexible operation, and the battery the scope of the choice is larger.
Just buy back of rechargeable batteries jvc gr-dv500u charger generally very low or no electricity power, should charge before use. For charging time, depends on the charger and battery, and whether the use of voltage stability, and other factors. If is the first use of the battery, the lithium battery charge must be more than six hours of time, the nimh batteries must be more than 14 hours, or future battery life will be short. General required to pass through several times the charging/discharging process can reach the best efficiency. And the battery and residual power, try not to repeat charging, to ensure the battery life. Full of electric charge was very hot, should stay after cooling then in camera.
Digital cameras jvc gr-d270u charger have electricity ability, if you use a do not match the battery or do not pay attention to save, then the battery in didn't you shoot a few picture fails. The following measures can save battery usage: first, try to avoid using unnecessary zoom operation; Second, avoid frequent use flash, flash is large power consumption, we try to avoid using; Third, in the adjustment of the picture composition of best use when the viewfinder, and do not use LCD. Because most of the digital camera will open for liquid crystal display (LCD) point that consume more power, will close it can make a battery spare time two or three times growth; Fourth, use less as far as possible even pat function. Digital camera even pat function of the most built-in cache to temporarily save digital photos. If often use these cache of words, the electric power very much. Therefore, to reduce the use even the beat and the dynamic image short films function, are of great help for power saving.
In order to avoid the loss of the power problem, battery cleaning is very necessary. Keep the battery on both ends of the contact points and the battery cover internal clean and, when necessary, use soft, clean dry cloth graze, never can use clean sex or the chemical has the solubility things clean your digital camera, battery, or charger. If you intend to long time don't use a digital camera, must want the battery from a digital camera jvc gr-d270 charger out, it will be completely after discharge (some charger with this function is not available, such as the small resistance short sub as far as possible the electricity off) stored in a dry, cool and environment, and don't batteries with general of the metal items stored in together. Storage already full of electric battery, must not guiltily, pocket, handbag or other contained metal items in the container to prevent short circuits.
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Tag - gr-dv500u
Monday, March 19 2012
Power use time
By bobo anthony on Monday, March 19 2012, 02:41 - JVC Battery and Charger
Monday, April 25 2011
Instead of mobile phone chargers head lamp
By bobo anthony on Monday, April 25 2011, 16:14 - JVC Battery and Charger
DIY LED light jvc gr-dv500u charger bulb transform old man lamp, spend minimal, the effect is very good, and continue to carry on the DIY spirit, spread, use small snail mouth bulb drawn power, transfer to standard miniUSB interface can give ordinary mobile phone batteries.
Now most of the cell phone charger jvc gr-d270u charger is actually a 5V dc output power, so long as can provide stable current power 5V can be to recharge the phone number five, and section 4 nimh battery good electricity is exactly the cell phone battery, to more than 5V should be just right. Checked on the net, does anyone really do this, he is oneself do four batteries power box, and my hand head lamp is four batteries, not just right? So immediately begin, still need a little light bulb snail mouth, then grafted in a root do miniUSB line will do.
The snail mouth posted above references miniUSB line can directly find a miniUSB this data, as long as the can, I use a broken charger jvc gr-d270 charger. Cut open, it after it 2 lines, red is positive, blue is negative, if is, must make clear data which two line is power supply, made a mistake is to be burned cell phones, meanwhile polarity is also must make right, wrong also is very dangerous, don't know is there to prevent phone circuit protection of reverse connect, be careful.
So, after two days of activities, generally a night of electricity is exhaustless head lamp, just the cell phone battery night. I use mobile phones do GPS navigation, had the recharge, the next trip, don't worry, ha ha.
Checked, like someone say this to cell phone charging, blunt discontent, even then, I feel, had this wire, emergency, direct to cell phone power supply is no problem, after all four sections BiRongLiang almost nimh batteries are cell phone batteries 2 times, can be at ease use mobile GPS. jvc gr-dv800u charger
Wednesday, April 20 2011
The basic use of flash techniques
By bobo anthony on Wednesday, April 20 2011, 01:56 - JVC Battery and Charger
Speaking of what a flash, the general photographers jvc gr-hd1 charger often have a misconception that the flash light source is used in low light the dark of the occasion, such as night, indoor and so on. In fact, Flash is a very useful auxiliary lighting, good use of a good flash light photography can greatly enrich the language, get a multiplier effect. For example, in people under sunny with a backlit scene, the characters or side light, fill light is often the method can be used to reduce light ratio and contrast. There are two ways to fill light, one is to use reflectors for fill light on the main characters, but more trouble, carry reflectors nor the most convenient alternative is to use the flash on people or close advisers fill light, it is more the ideal choice. Easy to carry because of the flash, color temperature and its color temperature close to the sun, both to improve the tone picture, but also to obtain more satisfactory color effects. Here to ISO100/21 ° film as an example of ways to use flash fill light. First metering (or estimate) the sun exposure combination of background, such as f/11, 1 / 60 seconds, then loaded on a flash, and flash the flash power index (assumed to be 16) divided by the predetermined aperture factor or 16 (index) ÷ 16 (aperture) = 1 (m). At this time in the 1m people at the subject with a flash, the jvc gr-dv3 charger exposure just right. This is just a direct shot, very bright flash and the sun, the sun backlighting may dilute the effect and cause the direction of the unity of light. The correct way is to let people around 1.5m away from the camera, so that the effect of relatively weaker flash, backlighting can achieve both effects, there are dark-level best results, sometimes because the composition of the needs of people want to come nearer, the characters a little bigger, you can cast a flash on the white handkerchief in one or two (depending on distances and fill light intensity may be), weakens the flash of light to fill the role of closer. To use the fill light attention to the question: in general the usual center of the shutter the camera viewfinder, the shutter speed set too high some will not have a negative impact on the flash; but but-lens reflex cameras, the shutter speed is not flash sync speed than the specified otherwise, fill light may produce uneven situation. Flash exposure is mainly from the flash index, shooting distance and aperture decisions. Flash not only suitable for use in low light, dark, light can also be used as a variety of other auxiliary lighting. Auto flash easy to use, fast, but also should pay attention to some practical skills. In order to avoid the formation of a positive flash "red eye" effect, some of the camera flash mode also has a reduced "red eye" feature. Indoors using the flash, not only can light a dark object, but can also use the advantages of high-speed flash, freezing some sports scene.jvc gr-dv500u charger