Feature：

1. XIF is fixed 50mm f1.4

2. Allow to focus infinity in manually

3. With Newest 3rd generation AF-Confirm Chip

4. Support AV (Aperture Priority) and Manual Mode

5. Exposure aperture data can be recorded in EXIF

6. It can help you improve success shoot ratio

7. It is an aperture pin stop down flange version

8. It is possible to use Macro rings and other accessories

9. Enable camera viewfinder focus confirmation light and sound1

10. Give you confirmation signal once you focus objective accurately

11. Make M42 mount lenses can be used on for EOS EF camera body

Specifications：

Material: Brass and aluminum

Applicable lens：for M42 Screw Mount lens

Applicable camera：for Canon EOS EF/EF-S Mount Camera

Color: black

Package include：1 x Mount Adapter Ring

Note：

1.Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter

2.In this case since the lens does not have the ability to have its aperture controlled by the camera body, you can shoot with manual mode or aperture priority mode

3.For this ""AF Confirm"" adapter, it is didn't mean you can use auto focus, it only have an indication (bee sound) when you manual focus actually