https://www.photoreview.com.au/reviews/dslr-cameras/advanced/canon-eos-50d/
Camera is equipped with a Canon EFS 15-85 zoom lens, also used infrequently and in good condition.
Key Features include:- EF-S-Mount Lens/APS-C Format
- 24-136mm (35mm Equivalent)
- Aperture Range: f/3.5 to f/36
- One UD and Three Aspherical Elements
- Super Spectra Coating
- Ring-Type Ultrasonic Motor AF System
- Optical Image Stabilizer
- Rounded 7-Blade Diaphragm
Full specs are described at:
https://www.the-digital-picture.com/Reviews/Canon-EF-S-15-85mm-f-3.5-5.6-IS-USM-Lens-Review.aspx
https://www.photoreview.com.au/reviews/dslr-lenses/dslr-lenses-aps-c/canon-ef-s-15-85mm-f35-56-is-usm-lens/