Check the listing for details. Pentax K to Canon EF with Dandelion chip. For all EF, R, Rp, R5. R3, M.. Condition: New. Listed at 55.00 USD. Dear buyers! I am a professional photographer and I myself have used a dandelion chip on my lenses with my cameras for more than 10 years! I have installed chips on more than 10,000 lenses and adapters! Only I sell original dandelion chip for Nikon and Canon! If you bought from me and received my service, you will never buy a similar product from another seller! Only I give instructions and advice before and after the purchase! My service on Ebay is unique and the best. My store is available for shopping 24/7. The chip has been tested on all Canon mirrorless cameras using the EF-R adapter. Chip - works without problems, including focusing guide. EOS R, Rp, R3, R5. The chip also works through adapters for Canon EF lenses with Nikon Z, Sony, Olympus, Fuji mirrorless cameras.This adapter is made for installation All Pentax K manual lenses to all Canon EF EOS DSLR/ SLR camera!This adapter is equipped with the focusing chip that works on all Canon cameras, including the newest models, including: Canon 5D mark III, 5Ds, 5DsR, 6D, 1Dx, 1Dx mark II, 650D, 700D, 750D, 70D, 80D, 100D. I make the free programming each chip. (in the chip programmed focal length and one aperture). I make a personal video clip to each buyer of the adapter with chip, in this video clip I show completely programmed chip!all video recorded for buyers to look at my YouTube channel: Andrii KurianovThis chip works on all of Canon SLR cameras, both of film and all digital Canon SLR models, including: Canon 5D mark IV, Canon 5D mark III, 5Ds, 5DsR, 6D, 1Dx, 1Dx mark II, 650D, 700D, 750D, 70D, 80D, 100D, and so on - everything! Write me:1. The name of the lens, for example: SMC/S-M-C/Super Takumar 50mm F1.42. The focal length, for example: 50 mm3. The aperture ratio (the value of the most open aperture), for example: f 1,4 What in the box: 1. Adapter with Chip2. Rear cap All customers receive detailed instructions on programming the chip. FAQ Canon Dandelion Chip:How does the meteringWhat aperture will be displayed on the cameraThe camera shows that the diaphragm, which is programmed in the dandelion. This diaphragm is fixed and does not change during the shooting !!!Exposure is calculated according to the actual luminous flux after you close the lens aperture to the desired value at the time of shooting. It does not matter what aperture programmed dandelion. Extract all the same to count correctly.ETTL works similarly. Just put the flash and shoot. Flash energy is calculated automatically. Are firmware affect the accuracy and regimes?Does not affect. The dandelion can be sewn F1.0 / 12mm and use, for example, with Samyang 500 mm .. However, modern ETTL flash will try to uncover the reflector in accordance with the sewn in dandelion focal length. In this case, you need to convert flash to manually enter the zoom mode. Прежде, чем Вы сделаете заказ и оплатите его, напишите мне в личном сообщении: 1. Название Вашего объектива, например Olympus OM 50/1,42. Фокусное расстояние, которое нужно запрограммировать, например: 50 мм3. Светосилу объектива (значение максимально открытой диафрагмы), например 1,4 Все покупатели получают подробную инструкцию по программированию чипа в письменном виде.Так-же я предоставляю видео-инструкцию по программированию.