Standardlens.com - Lenses & Filters information

I have a Canon S3IS I wish to buy wide angle & teleconvertor lens,suggest suitable make &model nos?

Best to stick with Canon. Go to canon web-site and check accessories for the S3. You will also need a tripod for the photography that you are planning. As for filters, a circular polariser and UV filters on your lenses are a good precaution. Other filters as you progress and want to experiment. 7-day shop is a good source for filters, batteries, etc....

Macro Filters Or Macro Lenses? What do you prefer for close up pictures?

Macro lenses. I used to have a 55mm f/2.8 Micro-Nikkor that was just unbelievably sharp. Filters are sort of so-so in terms of quality, although the expensive multielement Nikon and Canon ones which are made to match a specific focal length of lens are pretty good. They work better with some lenses than others. You should consult the forums on photo.net if you really want good photography advice. My two cents: if you're going to do a lot of macro photography and you've got the money, buy a macro...

For cameras there are different lenses which are colored. What are red, blue, yellow and grey lenses used for?

The items you describe are not lenses, but instead appear to be filters for black and white photography. They will change the intensity of various shades of grey in black and white photography. The polarizer filter is used to reduce reflections off things like water and glass. From your description, these may be older filters, so it's possible the polarizer wouldn't work with newer cameras that require circular polarizer filters for glare reduction instead of older linear polarizers. Red filters...

I have a Canon S3IS I wish to buy wide angle & teleconvertor lens,suggest suitable make &model nos?

Best to stick with Canon. Go to canon web-site and check accessories for the S3. You will also need a tripod for the photography that you are planning. As for filters, a circular polariser and UV filters on your lenses are a good precaution. Other filters as you progress and want to experiment. 7-day shop is a good source for filters, batteries, etc....

For cameras there are different lenses which are colored. What are red, blue, yellow and grey lenses used for?

The items you describe are not lenses, but instead appear to be filters for black and white photography. They will change the intensity of various shades of grey in black and white photography. The polarizer filter is used to reduce reflections off things like water and glass. From your description, these may be older filters, so it's possible the polarizer wouldn't work with newer cameras that require circular polarizer filters for glare reduction instead of older linear polarizers. Red filters...

Macro Filters Or Macro Lenses? What do you prefer for close up pictures?

Macro lenses. I used to have a 55mm f/2.8 Micro-Nikkor that was just unbelievably sharp. Filters are sort of so-so in terms of quality, although the expensive multielement Nikon and Canon ones which are made to match a specific focal length of lens are pretty good. They work better with some lenses than others. You should consult the forums on photo.net if you really want good photography advice. My two cents: if you're going to do a lot of macro photography and you've got the money, buy a macro...