Nikon Double Release AR-10 Double release for remote terminal ● When using the Bellows Attachment PB-6 for close-up photography, the automatic aperture mechanism of the lens can be used as is by using the AR-10 in conjunction. ● When used with the MC-25, it is for remote terminals that can be used directly with the F5, F100, F90X, F90, D1, and also with the F801s and F70D. ● When using the Bellows Attachment PB-4/5 and using the lens's aperture mechanism as is, use the AR-10 and Auto Ring BR-6 (with BR-2A lens). This belonged to my grandfather, who enjoyed photography. This is a used item, and there is only one available. Regarding the condition, the explanation is basically based on visual inspection and subjective judgment. We take the utmost care to explain, but there may be some imperfections in the details, so please judge from the photos. Please refrain from bidding if you are a nervous person, or if you do not understand long-term storage items, used items, or new/unused items, or if you are looking for a perfect item. Due to the nature of USED items, there may be some stains, damage, and odors, which vary from person to person. Delicate individuals should refrain from bidding as it may cause trouble. Also, due to the nature of the product, returns are not accepted, so please bid only if you are accustomed to USED items. ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆