Category Disassembling the Lumix S Pro R70-200mm f/4 OIS

Geek Articles

Disassembling the Lumix S Pro R70-200mm f/4 OIS

By

We’ve been impressed with most of the lenses that have come out for the L mount cameras but haven’t taken many of them apart. But as luck would have it, we have several Panasonic Lumix Pro 70-200mm f/4 OIS lenses needing repairs for autofocus issues. In the U. S., Panasonic doesn’t offer repair really, just […]

History of Lenses

Geek Articles

A Brief History of Early Lenses: Part 1

By

We are all recent-centric. We tend to think the technology we use didn’t exist until last year or so, even though the roots of it go way back. Phone apps are a great example. I have a dozen little apps on that phone that do things like calculate depth of field…

Why Lens Manufacturers make Specific Lenses

Geek Articles

Why Manufacturers Make a Specific Camera Lens

By

There is a lot of online discussion about why a manufacturer made this lens when they so obviously needed to make that other lens. Or why this manufacturer’s design is better than that manufacturer’s magical solutions. So, I thought I’d share the second-hand information I have about the process because it’s probably better than the made-up speculation I read online.

Canon RF Timeline

Equipment

A Look at the Progression of the Canon Mirrorless Platform

By

The month of October marks the 3rd anniversary of the Canon EOS R line of cameras and lenses – a product lineup that they’ve poured a significant amount of attention and resources into in these three years. The initial announcement of Canon’s focus on their mirrorless platform was met with a lot of criticism, as […]

Follow on Feedly