Thanks for visiting. All items I sell have been inspected. The specific condition of the item is described in the text that follows, so please check it before bidding. Also, after purchase, items will be packaged and shipped tightly to prevent damage. Please buy with peace of mind. 【●Product Description】 This is a high-magnification viewfinder for the F4 series. It magnifies the viewfinder screen image 6x for observation from directly above. It is extremely useful for close-ups, microscope photography, and other situations requiring precise focusing. The viewfinder interior is bright, with an effective field of view of nearly 100%, allowing you to see the entire frame without vignetting. Additionally, you can check the aperture value, shutter speed, exposure mode, focus confirmation, and ready light indicators within the viewfinder. Furthermore, it offers diopter adjustment and comes equipped with a dedicated eyepiece rubber eyecup. 【●Grade】 Very Good 【●Appearance】 Appearance is beautiful. Tiny scuffs from normal use. It shows signs of use. Above condition is based on my own opinion. Please check the photo carefully. 【●Functional】 It works properly. 【●Optical system】 No haze/fog No scratch No balsam separation No fungus There are a few tiny dusts (It does not affect photo) Above condition is based on my own opinion. Please check the photo carefully. 【●Included Items】 All you can see on the picture will be included in a set of a package. 【●About Delivery】 I will pack the item carefully to avoid damage in transit so that you can purchase it without worry. We ship DHL, FedEx, or EMS. The shipping carrier used varies by country or region, so customers cannot select the carrier.