Borescopes for medical and other uses. In some embodiments, a portable borescope may comprise a dongle comprising an image processor may be coupleable with the borescope and may be configured to receive image data from an image sensor within a tip assembly of the borescope. In some embodiments, the image processor may be within a mobile general purpose computing device coupled to the borescope. One or more components of the borescope and/or tip assembly may be disposable. In some embodiments, the borescope may be configured to limit at least one of a duration and a number of uses of the borescope, or at least a portion of the borescope, to a preconfigured value.
