Hopefully, if you purchased this camera, you received a User's Manual with it. That is your best source of information. Otherwise, visit the manufacturer's web site, where you can usually download the guide for free.
The HP Photosmart 335 is very easy to use and is one of the less exspensive options.
When one is looking to purchase a Hewlett Packard Photosmart digital camera the most common business to sell these products is Amazon, however the official branded company of Hewlett Packard also includes the cameras within their stock.
You can purchase photosmart digital cameras at many different retailers. Best Buy, The Future Shop and WalMart are all stores that carry this product. The following link is for an online store that also carries this product, http://www.amazon.com/s/ref=nb_sb_ss_i_1_10?url=search-alias%3Dphoto&field-keywords=photosmart&sprefix=photosmart#/ref=nb_sb_noss?url=search-alias%3Dphoto&field-keywords=photosmart+camera&rh=n%3A172282%2Cn%3A%21493964%2Cn%3A502394%2Ck%3Aphotosmart+camera
Yes you can use a SLR lens as an attachment on some digital camera. You will have to check the camera to see if there is an attachment that is available on the camera.
You definition of 'best' may or may not be different from mine, but for the average person, the HP Photosmart R927 8MP Digital Camera, which boasts a lot of very nice features, could be a good choice for you.
Digital Camera cases, like all camera cases are used to protect and carry the camera while it is not in use.
no
Kodak is widely accepted as the easiest to use digital camera.
A digital camera is not required but recommeneded in the use of tabletop photography. A digital camera simplifies the process and allows for faster results.
Yes, there are disposable, one-time use digital cameras, however I doubt they are very popular since they tend to be expensive ($20 per camera) and you can get a reusable digital camera for around $50.
For a Canon digital camera, a 50mm camera lens is just about right. You can also use other lenses depending on what kind of digital camera you are using.
The best way to focus the M417 camera is doing manual focus. Per the Amazon.com sales page for the camera, there has been noted that there is a defect with the auto focus. http://www.amazon.com/HP-Photosmart-M417-Digital-Optical/dp/B0007KTG1M