The Mega Trumpet 12 from DSC Labs is a focus and resolution test chart with 16 hyperbolic resolution trumpets, 16 solid black wedges, and corner wedges.
Key Features
- 16 hyperbolic resolution trumpets 500 to 2000 TV LPH
- 16 solid black wedges interspersed with hyperbolics (for back focus)
- Corner wedges for checking resolution and chromatic aberration