Lenses and Optics
A while back I wrote a post I humbly called Roger’s Law of New Product Introduction, complete with the graph shown below. The release of the Sony A7R has demonstrated the accuracy of that post as few other releases have. A few weeks after the A7R release we seem to be following the path quite […]
Lenses and Optics
I’m probably setting myself up for a replay of the Exo Tria Arxidia scene, but my friend Bernhard introduced me to the German term scharf the other day. It can mean both sharp and hot (as in spicy, or as in, you know, hot). After testing our first copies of the Zeiss 55mm f/1.4 Otus lens I […]
Lenses and Optics
I’m going to open a can of worms today. I’ve been getting more and more emails from people telling me the same story that goes like this: I’ve got this lens. It’s awful. I’ve sent it in for adjustment and the service center tells me it’s ‘in spec’ and nothing is wrong with it. Am […]
Equipment
The Silence We have a routine when a new lens comes out at Lensrentals: the first new copies get sent to me for optical testing. I have about 4 or 5 hours with them because they’ll have to be packed up and shipped out to the customers that have been waiting for them and expect […]
Lenses and Optics
In my last article, I wrote about the fact that every copy of a given lens has some bit of sample variation. This affects lens reviews, whether lab-based or photography-based, because the copy they tested will be just a bit different from the copy you buy. I suggested, that if you want to get a […]
