The 2.8-12mm varifocal zoom is ideal for both wide-angle and detailed shots within its zoom range. It captures clear images with 3MP resolution. The CS mount allows it to be attached to various cameras. Image brightness can be adjusted to suit lighting conditions. Optimal image focus can be achieved in diverse environments. Focal Length: 2.8-12mm Format: 1/2.5" d/f': 1:1.4 Mount: CS Iris: With lock Zoom: With lock MTF: 3 Megapixels Shape: 30Φx41.50mm Weight: 55g