Optical Design

News

What Canon's Latest Patent Reveals About the Future of Professional Zoom Lenses

What Canon’s Latest Patent Reveals About the Future of Professional Zoom Lenses I’ve been following lens patents for years, and I have to say—Canon just filed something genuinely intriguing. A recent patent application from Canon’s Japanese division describes several optical designs that could reshape how we think about professional zoom lenses. Let me break down what this means for photographers like us. The Game-Changing Design The most striking design in this filing is a 70-200mm zoom that maintains an f/2 aperture throughout its entire range.

October 18, 2026

News

Exploring the New Light Lens Lab 75mm f/1.5 Z21: What Makes This Portrait Lens Special

A Fresh Approach to Portrait Primes I’ve been following the lens market closely, and I’m excited to share what Light Lens Lab has just announced. They’ve released the 75mm f/1.5 “Z21,” a manual focus prime lens designed specifically for Leica M-Mount systems. What caught my attention isn’t just another focal length addition—it’s their entirely original optical formula. Why the 75mm Focal Length Matters Before diving into what makes this lens unique, let me explain why 75mm is such a compelling choice for portrait work:

June 5, 2026