Patent: Canon RF 130mm f/1.4L, RF 135mm f/2L & RF 24mm f/1.4L USM Lenses
Canon has filed a new patent showing optical formulas for three fast prime lenses: RF 130mm f/1.4L USM lens, RF
Continue readingCanon Camera & Lens News, Rumors, Reviews and Deals
Canon has filed a new patent showing optical formulas for three fast prime lenses: RF 130mm f/1.4L USM lens, RF
Continue reading