I purposefully pushed the lens in tricky scenarios, such as backlit portraits at golden hour ... circular bokeh in out-of-focus areas of dappled light, as you can see in the sample images. This kind ...

For example ... the shift function is arguably not this lens’s strong suit, the 100mm focal length being too long for most architectural photography scenarios. The tilt function is a bigger ...

It’s a large lens, but internal zoom ... especially in low-light scenarios, and also limits your scope for blurring busy backgrounds. Still, in bright conditions, the 400-800mm excels.