Single-focus lens with a focal length of 18cm and f/4.5. - Model: Photo Pita 1:4.5 f=18cm - Focal Length: 18cm - Aperture: f/4.5 - Color: Black - Condition: The lens has some minor dirt and a little bit of mold. Please purchase only if you understand the condition of the used item. *The price includes the Mercari fee added to the purchase price. No further discounts are available. (Shipping will be free.) Operation check is a simple one done by an amateur. To prevent trouble, returns and refunds after shipping are not accepted. Please consider the above contents before purchasing. Thank you for viewing. Size: Sigma SA mount is not applicable, so it's listed arbitrarily. W018