When I first started filming I didn't know the names of lenses, I just knew I wanted it to be wider. Never forget a lenses name with this tee. The cheat sheet is on the shirt. 
 
.: Classic fit
.: 100% Cotton (fibre content may vary for different colors)
.: Light fabric (5.3 oz/yd² (180 g/m²))
.: Tear away label
.: Runs true to size