Roger's Corner
This is a long article, meant to be read at your leisure. You better start swimmin’ or you’ll sink like a stone For the times they are a-changin’. Bob Dylan Technology changes tend to be of two types: incremental improvements or disruptive innovations. Incremental improvements allow one manufacturer to take market share from another […]
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
The Three Questions I get asked a couple of questions every time I publish a graph showing Imatest results for multiple copies of lenses like the one below. Most people understand that some copy-to-copy variation is inevitable in the manufacturing process. Most are surprised, though, at how large the sample variation seems to be. Heck, […]
Equipment
Correction: Lenses called “Rokinon” in the “Weeks to Failure” rate incorrectly included Bower & Samyang branded products. Because of this error, data for lenses called “Rokinon” lenses has been removed. We apologize for this inaccuracy, and any confusion that may have resulted therefrom. What Is This? We have a unique opportunity: We own a very […]
Roger's Corner
I’m not really sure why, but if you want to watch the Fanboys go completely insane, the simplest thing to do it is throw out “your brand is probably going to be out of business in a few years.” But the simple reality is that’s what happens to most companies eventually, especially technology companies. Photography […]
