Size... Nikon F mount Other features... Old lens, with front lens cap, with rear lens cap No particular problems. There is no mold or fogging. There is a slight oil stain on the aperture spring, but it does not affect its operation at all. - Although the item is checked at the time of listing, oversights may occur. Please understand this in advance. - The evaluation of the item may vary from person to person. Please bid with the understanding that it is a used item. - The item is confirmed to be in working order at the time of listing. - This item is used. It may not satisfy those who are overly sensitive. Please bid with understanding. - Those who seek perfection should refrain from bidding. - The amount and presence of scratches, mold, and fogging are largely subjective.