Power on confirmation Shutter Lens extension and retraction Aperture blade opening and closing The above have been confirmed. There is dust on the lens, but I don't think there is any mold. The shutter speed dial is stiff. ※ This is a used item, and I do not have the specialized knowledge of a camera store, so there may be oversights. Please assume that anything not mentioned has not been confirmed. We cannot provide support or warranty for any changes in condition or malfunctions after receipt. Please purchase only if you can agree to this. As this is a used item, returns are not accepted.