Glass – 03a. 2x Vivitar 28-80mm F3.5-5.6 | Test The clarity of the lens isn’t great. You can see that it looks hazy and the edges turn out quite soft. This is more obvious at the 80mm/160mm end (portrayed). At 28mm/56mm the lack of sharpness isn’t as obvious and not as important. Advertisement Share:WhatsAppTweetShare on TumblrEmailLike this:Like Loading...