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Try changing the ISO setting from AUTO to 100. Fast ISO speeds create more grainy photos. The SD chip should not have any affect on sharpness. Either you ISO is too fast, or your shutter speed is too slow. You might also try formatting the sd chip using the menu on the camera.
Uploading them via the SD card will have no effect on the resolution. There is a difference between image grain and image pixelation. If the resolution is too low for the size you are printing the image will pixelated, meaning that it will be made up of lots of little squares. If the image is grainy it may be that you are shooting images in low light at a high ISO setting on the camera. Typically with the lower end Canon cameras anything above 800ISO will start to look grainy.
Your problem is that you are not using a suitable memory card for the D90. 2Gb SD cards have read/write speeds that are much too slow to work with quality DSLR's. Let me explain. When you take a picture with the D90, the data generated first goes into a small capacity buffer memory. The purpose of the buffer is to act as a conduit to your SD memory card and retain picture data until all of the data is safely written to the SD card. If your SD card can accept data as quickly as the buffer can pass it to the SD card, there is no problem. But, If the SD card is not capable of accepting the data quickly enough, the buffer will start to fill up since data is coming in faster than it is going out. If you take pictures in quick succession with a slow SD card or if you shoot video with a slow SD card, the buffer will overflow; i.e., fill to its capacity and become incapable of accepting more data until its capacity returns as the SD card accepts the data. During that time, the camera will prevent you from taking any more still photographs. You will push the shutter release and nothing will happen. If you are shooting video, the camera will continue to work, but the sound will loose sync with the picture.
For your D90 to function properly under all conditions, you must have an SDHC card that is rated at 45Mbs or faster. When I first bought my D90 several years back, 35Mbs was the fastest card made and I had the problems I described to you above. When Sandisk brought out the Sandisk Pro card with a 45Mbs speed my problems melted away. I should also ad that 2Gb is much too low of a capacity for the D90. It will fill up very quickly if you shoot Raw or fine quality jpeg files. You need a minimum of 8Gb.
This sounds like an issue due to low light. The card will not cause the video or pictures to be grainy, but high ISO settings (used to compensate for low light) will. In low light, auto-focus has a hard time and usually a camera won't take a shot unless focus lock occurs.
Assuming you were shooting in a low-light situation, the solution is to add more lighting to the scene. Note that the flash on your camera is only good for a distance of about 10 feet.
Your camera has only 32MB of internal memory, out of which only 13.5MB only is used for picture storage, which allows you to save only a few pictures. If you need to shoot more pictures you need to buy SD or SDHC cards or micro SD cards. If you buy micro SD card, then you also need to buy an SD adapter. SD adapte is very cheap, usually less than a dollar. The maximum size SD card you can use in Kodak Z915 is 32GB SDHC card. SD card sizes are available only upto 2GB. SDHC cards goes from 4GB to 32GB. Again these cards are rated based on their speed classes. It is preferable to buy Speed class 6 and above for good video recording. With higher speed class, speed increases. If you want to shoot pictures faster then you need higher speed class memory. Price of the card increases with the speed class. You can buy speed class 2, 4, 6, 8 or 10.
If you want to download your camera manual, try the following site: http://resources.kodak.com/support/pdf/en/manuals/urg00995/Z915_xUG_GLB_en.pdf
Normally grainy pictures are a result of poor ground connections, although usually for more than one channel. Check the cable connections first. Otherwise all I can suggest is to have the tuner replaced.
Well see if it happens again, it may have been a one time thing. but try reconnecting the AV cables to the tv or change the picture settings on the wii setup options. But this is important, is the picture grainy, or is there vertical black lines? if its black lines, i have the same problem and the only way to fix it is to send it to nintendo and theyll give u a new console. its due to overheating and the graphics card gets fried
Hi, the best thing you can do is to buy a 1 or 2 Gigabyte SD Card. Taking videos is at about ~100 MByte / minute. So if you take a 1 GIG-SD Card you may take ~10-12 minutes video or at a 2 GigByte SD Card you may take ~20-22 minutes (pure video).( But you may change to still picture in the meantime as you like).
Putting in the SD Card, swith on your camera, choose the video mode and push 'LCD Mode': there you'll see the info "R 22m47sec" on your LCD on the upper right position - for example. This is the review-function and is your best way to check your video (while choosing the review-position on your wheel and than push the "6 o'clock"=review button on the camera and your video will start. Have fun, you're also able to use the zoom-in while taking videos. The DMC TZ1 is a beautiful camera.