Bill Bennett ASC on Twitter: "GL Optics new rehousing of Sigma 50-100mm f2, joins their 18-35mm f1.8. Both excellent glass at a reasonable price https://t.co/6QEEQCqCMU" / Twitter
Sigma 18-35mm F1.8 DC HSM Review: Digital Photography Review
G.L Cinemod Optical Service
FS - G.L Optics 18-35 T/1.8 and G.L Optics 50-100 T/2 (PL Mount) - Cine Marketplace - Cinematography.com