STC Circular screw on filters for Infrared and UV-IR cut are available in sizes 58mm, 77mm and 82m.

For more technical information take a look here:

STC Filters

To order click here and use this code for a 5% discount - PROTECH5

ORDER YOUR CIRCULAR FILTER HERE

(InfinityX - the UK agent for STC - will fulfil your order direct to you or us so please specify your preference.)