TACTACAM 64GB Ultra-Class 10 MicroSD Card with Adaptor. TACTACAM Under Scope Rail Mount for Crossbow for 4.0, 3.0 and Solo. Tactacam is designed for you using the best electronics available. Instead of using a fisheye lens, which pushes the images away Tactacam uses a unique lens design, providing a view similar to what we see with the human eye.