ICA Sirene 135 Analogue camera

You said: for Catawiki generate a 200-word description with lowercase letters for the object in the photo. this item is a Nikon PK-12 automatic extension tube with a 14 millimeter size, a vintage accessory highly valued by photographers who use the Nikon F system. the accessory is presented in excellent aesthetic and functional condition, with its classic black finish and the metal mount well preserved. the body is solid and robust, typical of Japanese production of the era, as evidenced by the inscription on the barrel. this spacer ring is inserted between the camera body and the lens to reduce the minimum focusing distance. it is an indispensable tool for those who want to explore the world of macro photography without investing in an expensive dedicated lens. the PK-12 model maintains coupling for diaphragm transmission, allowing automatic exposure in aperture-priority or manual on compatible bodies. the mechanical contacts and the side release lever operate smoothly and precisely. this is a collectible piece ideal for field use or for display in a showcase alongside other vintage optics of the brand. an excellent opportunity to enrich your analog or digital photographic kit with dedicated adapters. to complete your listing, you also need help defining the conservation status or want suggestions on keywords to include in the title? AI responses may contain errors. Learn more this item is an fascinating accordion-style ica sirene 135 camera, produced in Germany by Internationale Camera a.g. Dresden between 1914 and 1926. this is a classic folding camera for plate negatives in the 9x12 centimeter format, very popular at the time for its robustness and reliability. the exterior body is fully covered in black leather and features a brown original leather top handle embossed with the model name. the bellows are black fabric, smoothly extending along the metal guides of the front egress when opened. the mounted lens is an ICA 135 millimeter objective, paired with a mechanical shutter with adjustable shutter speeds. the unit comes with its original brown dark leather protective bag, equipped with a strap and a metal buckle clasp on the front. visually, the instrument is in good vintage aesthetic condition, showing the usual and charming signs of time on the leather and metal components that enhance its authenticity. a historic collectible perfect for lovers of antique photography and retro-modern culture.