An example system to capture digital images includes: a colposcope device configured to capture a digital image during a colposcopy procedure; and an image processing module programmed to digitally process the digital image, including: a filter module programmed to filter certain aspects of the digital image; and an overlay module programmed to allow the digital image to be annotated. In other examples, colposcope devices include: a cradle, the cradle being configured to hold a portable computing device, the cradle including an aperture; and an optical capture device, the optical capture device including a constant magnification lens system, the constant magnification lens system being configured to direct light through the aperture.