In late March, Sigma published a service notice for the newly-announced 28-70mm f/2.8 lens where ghosting resistance may deteriorate in some circumstances. The company delayed shipping it in order to address the issue, and today Sigma has announced that the problem has been solved.
Sigma has published a service notice for its newly-announced 28-70mm f/2.8 lens. According to a detailed note on Sigma's website, the company has been made aware of the deterioration of the ghosting resistance on the lens over time under certain shooting conditions.
There's one feature of Laowa's exciting 12mm f/2.8 'Zero Distortion' lens that's flown mostly under the radar: their special 'Frog Eye Coating' (FEC). But after watching this demo, you'll have to admit it's pretty incredible.
Most lenses nowadays come with a multipurpose chemical coating, meant to not only protect the lens a bit more from accidental scratches, but to also reduce reflections and aberrations and provide a clearer image. How the coating actually works might be a mystery to many of us though.
Do you ever clean the front element of your lens by fogging it up with your breath and then wiping it off with a cloth? If so, you might want to stop -- Nikon says the practice could be damaging to your glass. Apparently human breath contains stuff that isn't too friendly toward camera lenses.
Here’s an interesting video produced by Nikon that explains how their Nano Crystal …