EF 28 mm f1.8 USM

This lens is an EF 28mm 1.8 USM
- Focal length and maximum aperture: 28 mm 1:1.8
- Lens construction: 10 elements in 9 groups
- Diagonal angle of view: 75°
- Focus adjustment: Rear focusing system with USM
- Closest focusing distance: 0.25m / 0.8ft
- Filter size: 58mm

With the large maximum aperture, excellent background blur is possible even with a fast shutter speed

The large maximum aperture makes excellent background blur possible even with a fast shutter speed.
The aspherical lens element makes the lens compact and corrects spherical aberrations.
The image is sharp even at the edges.

Canon EF 28 mm f1.8 USM, Extension Tube EF12 II -0.61 - 0.43, Extension Tube EF25 II - 1.13 - 0.96