Looking for a full frame rectilinear lens? Look no further than the Tamron 17-28mm

[Interceptor121]

Fisheye WACP WWL beat rectilinear lenses two stops in the corners bla bla bla

Wide Angle Rectilinear Lenses for Underwater Imaging myths vs reality

The subject of rectilinear wide angle lenses and underwater optical performance has been beaten to death. Most recently some photographers and videographers have done without rectilinear lenses alt…

interceptor121.com

 

[Hoag]

If you use this lens (the Tamron 17-28mm f/2.8) above the surface (for landscape photography) it also gives very well defined sunstars such as this one shot at the Mobius Arch in the Alabama Hills outside of Lone Pine California.

 

[Interceptor121]

Yes I use this lens topside and underwater and is great