We at 3B Tech are experts in custom surveillance system installation, as well as your #1 source for CCTV cameras and lens upgrades. A common question our customers ask is what size lens is recommended for their camera setup. The following interactive chart should give you a good estimate. Please contact us at 877-328-3248 or e-mail sales@3btech.biz if you have any questions, or if you would like a quote on lenses, cameras, or installation services.
