There are
filters listed for Hutech modified cameras for daylight use but they're not cheap.
Lens-mounted Filters for Hutech/Canon Enhanced Cameras VLC-58 Daylight Filter - 58mm $199.00 VLC-67 Daylight Filter - 67mm $205.00 VLC-77 Daylight Filter - 77mm $229.00 * 10% off for Hutech camera owners.
Specify the serial # at the time of order.