Officially not, however it does support SDHC cards (tested up to 16Gb)
Yes, this camera is compatible with SDHC cards.
To determine compatibility between SDHC cards and your device, check the device's specifications to see if it supports SDHC cards. If it does, then the SDHC card should be compatible with your device.
Assuming you mean the Canon Powershot A810 - It uses SDHC memory cards.
SDHC and SDXC cards are both types of SD (Secure Digital) memory cards, but they have different storage capacities. SDHC cards have a maximum capacity of 32GB, while SDXC cards can go up to 2TB. Most devices that support SDXC cards can also use SDHC cards, but not all devices that support SDHC cards can use SDXC cards due to differences in technology and compatibility.
It depends on the model. Most digital still cameras will take SD or SDHC cards - these are also widely used in digital video cameras.
No
The Transcend 16 GB SDHC is large, but you can also get 32 GB SDHC cards for your camera.
A SDHC Card Reader is used to read secure digital cards. Secure digital cards are used for recording data on digital cameras, GPS devices, phones and tablets.
How many Pictures on a 8 gb sdhc with a 10 megapixel camera?
It's likely that your 4GB card is an "SDHC" card, and your camera is an older camera that was designed before the SDHC format came out. Although SDHC cards look exactly like standard SD cards, they are not. If your camera is a few years old, only SD cards of 2GB or less (standard SD cards) will work with your camera.But hang onto that 4GB card. One day you'll have a newer camera that will make good use of it.
SDHC has a greater storage capacity (over 2GB), hence it's name, 'High Capacity'. SDHC is better, but it is more expensive. Also, check that your camera supports SDHC (almost all of them do, but older ones don't.)
Nearly all new digital cameras use SDHC memory cards or some other form of flash memory cards.