 Kevin Burns |
Batteries I have been wondering about picture quality and the batteries and the effects of image quality. An alkaline battery has 1.5 volts. A NI-CAD has too much heat for are digital cameras. My FUJI FinePix uses four AA batteries, four AA alkaline batteries equals 6 volts total, but have a slower discharge rate. Discharge rate, a NI-MH will throw 4.8 on demand and instantly, when the shutter is pushed. Where as an alkaline, will throw the 6 volts on demand, but not instantly. The alkaline is much slower and costly. But has the required 6 volts to operate the CCD. The alkaline is a much cooler operating battery than the NI-MH. My question is would a good set of alkaline batteries with the total available 6 volts yield a brighter sharper clearer picture than the lightning fast less power of 4.8 volts from the NI-MH. “It should look good with one battery taped to my camera” LOL!! I don’t care what my camera looks like, I care about the picture quality.
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Kevin Burns |
LOL. Thats what I figured!!
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Christopher A. Vedros |
Kevin! Freeze! Put down that 5th battery, and that roll of duct tape, and step away from the digital camera! I would be very hesitant to try this on a device that I value. As one of my old Elec. Engineering professors used to say, "It aint the volts, it's them amps that'll gitcha!" If your camera manufacturer states in the manual that the camera can be powered by alkalines or Nimh batteries, then their labs have taken into account any variations in voltage or amperages of the two types. In fact, alkaline batteries will only measure the full-rated 1.5 volts when they are first put into service. They will discharge at a constant linear rate over their life until they have a charge of about 0.7 volts and can no longer power most devices. Their average charge over their life is between 1.1 and 1.2 volts. Nimh batteries will typically maintain a voltage between 1.1 and 1.2 volts for 80% of their charge life, then drop off rapidly at the end. That's why in many devices with Nimh batteries, if the battery indicator shows weak batteries, you might not have much time before they are dead. Speaking of flashlights, that's where your alkaline batteries belong. They can sit on the shelf for years and still work. And even if the flashlight is only half as bright as it used to be, it'll still get you out of the dark in a pinch. Another problem with many high-drain devices like digital cameras and flashes is that the cut-off voltage (where it will see the battery as being dead) is around 0.9 to 1.0 volts, so alkaline batteries won't even be able to use all their energy. Try this test - put some alkaline batteries in a camera or flash and use them until they are "dead". ie, camera says low batt and shuts down or flash won't recycle. Then transfer a couple of them in a flashlight. I'll bet they will light up (dimly) for quite a while.
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Christopher A. Vedros |
That's wierd, the "speaking of flashlights" paragraph was supposed to be at the end of my diatribe.
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Diane Dupuis |
I love my rechargeable NI-MH batteries! I tried alkaline and got maybe 20 or 30 pix before they died. I can get close to 300 before the rechargeables die down. Much cheaper - last longer! I love them!
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Kevin Burns |
Thanks for the info. I would also like to say I made a typo with my last or second reply in this thread. I meant to say/ “It is just a thought”. I have installed a hot shoe on this camera. It works fine and now I can use different flashes with my camera. If I where to run a motor with an alkaline battery the motor will run. The same motor will run faster or higher RPM’s with a NI-MH, than with the alkaline, just for not as long of time. By wiring a 5th NI-MH battery into the camera, I would get the 6volts plus the fast discharge rate. Best of both worlds. Well anyways you all have a great day today and thanks for all info and input.
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Kevin Burns |
Pss, Chris, Could I ask if you ever was into a radio controlled hobby. We use auto light bulbs to drain and cycle are recharge batteries. Much like what you described.
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Kevin Burns |
My camera has a 6 volt DC input for using a wall outlet. I have made a 5 cell battery pack to plug into the camera. I took two pictures of the same subject. First picture with the 4 batteries installed inside the camera. The second picture with the 4 batteries removed and the 5 cell plugged in. needless to say the picture with 5 cell’s is much better quality than with the installed batteries. For longevity, I am going to make a sub C, 5 cell pack. I also can use NI-CAD batteries now that the heat source is going to be away from the sensitive CCD witch will even have a better result being that the NI-CAD’s have a faster discharge rate. Witch is why the NI-CAD is not used in camera’s. Not because it is simply a NI-CAD, but because of the heat produced from the higher dis-charge rate. Plus not to mention that the dangerous image quality robbing heat source is now removed from my camera the image quality is much better than when a hot camera is used after 30 or so pictures are taken. (.)
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Mike Chan |
Our middle and top management teams have more than 10 years’ experience in Ni-MH battery field. We adopt advanced steel belt technology for negative electrode instead of copper net technology, as Sanyo and Panasonic do. It avoids the problems of explosion and reduces greatly the rate of short-circuit, leakage, low voltage comparing with traditional copper net technology. It also enhances the consistency of capacity and battery performance in storage. Certified quality Prompt delivery We work day and night shifts to ensure prompt delivery and to meet or exceed all of our customers' requirements. Our daily output of over 200,000 pcs is produced by 6 production lines working 24-hours per day. It guarantees the prompt delivery to our customers worldwide ----it’s our mark of excellence! We are proud that our prices are very competitive in Ni-MH battery filed. Through efficient business networks and long-term cooperation with our suppliers, we are able to keep our costs low and pass the savings onto our customers! Our advanced management and efficient workflow keep us as a leading manufacture of high quality and low cost in the filed.
Enthusiastic service
WWW.BETTERPOWER.COM.CN
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Mike Chan |
BetterPower works with many well-known corporations and famous brands from the worldwide for OEM and ODM service such as in American, Europe, Japan, South Korea and Thailand etc. Our middle and top management teams have more than 10 years’ experience in Ni-MH battery field. We adopt advanced steel belt technology for negative electrode instead of copper net technology, as Sanyo and Panasonic do. It avoids the problems of explosion and reduces greatly the rate of short-circuit, leakage, low voltage comparing with traditional copper net technology. It also enhances the consistency of capacity and battery performance in storage. Certified quality Prompt delivery We work day and night shifts to ensure prompt delivery and to meet or exceed all of our customers' requirements. Our daily output of over 200,000 pcs is produced by 6 production lines working 24-hours per day. It guarantees the prompt delivery to our customers worldwide ----it’s our mark of excellence! We are proud that our prices are very competitive in Ni-MH battery filed. Through efficient business networks and long-term cooperation with our suppliers, we are able to keep our costs low and pass the savings onto our customers! Our advanced management and efficient workflow keep us as a leading manufacture of high quality and low cost in the filed.
Enthusiastic service
WWW.BETTERPOWER.COM.CN
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- Gregory LaGrange Contact Gregory LaGrange Gregory LaGrange's Gallery |
Think somebody got married.
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anonymous A. |
" needless to say the picture with 5 cell’s is much better quality than with the installed batteries." Sorry, Kevin, but I just don't buy it. The image quality isn't determined by the voltage but by the exposure... if their is sufficient power to run the exposure meter, set the aperture and trigger the shutter and transfer the image to the card, the picture will be the same. I run my cameras using the internal batteries and direct from the mains at 240v...no difference. The internal circuitry determines how much current is delivered to the electronics from the charge available in the cells.... But the 5 pack is a great way of lengthening the time between battery charges.
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