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The Complete Handbook of Lens Bags
A practical reference for photographers and videographers on selecting, using, and maintaining lens bags that actually protect your glass.
by Alumigogo Books
Chapter 1: Understanding Lens Bags
Every photographer has done it. You finish a shoot, the sun is going down, and you pop a lens off the camera to swap to a prime. The lens is warm, the board is bare, and the nearest available protection is the soft side of a jacket liner or the empty space in a backpack next to a water bottle. If you are reading this, you probably already know that either one of those choices can end in a broken element mount or a sensor-dust nightmare. A lens bag is the device that makes this moment routine and safe. It is not a luxury accessory. It is a piece of protective equipment with a specific engineering job: to isolate your glass from impacts, grit, moisture, and the negligence of baggage handlers.
At its most basic, a lens bag is a padded enclosure sized to fit a single lens or a small group of lenses. But that packaging is misleading. This category includes everything from a thin stretchy sock that keeps a lens from rattling in a drawer to a high-impact, waterproof, pressure-sealed case that can survive a fall from a moving vehicle. The common denominator is that they all solve a problem that your main camera bag does not. A general camera bag is designed to carry a body, several lenses, flash units, and batteries. The interior space is partitioned to fit a large kit. A lens bag is designed for one thing only: to