Unfortunately you can't lock the focus and no software will allow any sort of manual focus at all, wide angle or fisheye you may run into some trouble getting this to automatically focus right or to keep consistent focus at least that was my experience a macro lens works fine on it but a fisheye lens is totally out
Main Features: High Contrast - This high-quality bright matte white surface with a gain of 1.1 means that screen provides brighter images in dark environments where ambient light is controlled. Four side black borders enhance picture contrast. Dimension - Perfect viewing area with no resolution loss at any viewing angle. DIY movie screen - Hanging holes offer easy and quick installation, You can DIY it with nails, hooks, ropes to hang it. Material is perfect for outdoor or Easy to hang on the wall, Packaged in rolls professionally, easy to carry. Application - Ideal choice for home theater, outdoor projection, movie theater screen, education, office meeting presentation, public display.
Color: White Material: PVC
Dimension and Weight
Package size (L x W x H): 156.00 x 6.00 x 6.00 cm / 61.42 x 2.36 x 2.36 inches Package weight: 1.9200 kg Product size (L x W x H): 28.00 x 18.00 x 5.00 cm / 11.02 x 7.09 x 1.97 inches Product weight: 0.3800 kg