Size: α (Alpha) mount. Although there are no other options, I chose this. This is a very rare item. It's in excellent condition. It has hardly been used. Please check the condition in the photos. Optics: No mold or fogging. No balsam separation. No operational problems. Although I don't think there are any, there might be minor scratches from wiping. ・Regarding the product, we check it at the time of listing, but there may be oversights. Please understand this beforehand. ・Product evaluations are subjective. Please understand that these are used items before bidding. ・We have confirmed that the item works properly at the time of listing. ・This product is a used item. I don't think it will satisfy those who are overly concerned about details. Please understand this before bidding. ・Please refrain from bidding if you are looking for perfection. ・The amount and presence of scratches, mold, and fogging are largely based on subjective judgment.