Given how much more it costs to buy an f/1.4 prime compared to an f/1.8, beginners in particular often ask if the upgrade is worth it. Build quality and optical quality being equal, is the difference in light gathering capability and depth of field noticeable? Can you really tell? Photographer and YouTuber Pierre Lambert decided to do a blind “taste test” so to speak and find out if his viewers could actually tell the difference between photos shot at multiple…