bigdaz10

hi everybody im new on here dont no if this is the right plase to post this oh well ill give it a go .iv got a Kguard camera on my houce but its zoomd in to close to wot i need to see i cant move the camera back aney more can i just change the lens .this is wat the box says ..1/4"ccd,420TVL,lens.3.6mm if aney body can help me or give me a web sight to get a new lens from that would be grate ...thanks in advance