Product overview
Giottos AA1900 Rocket Air Blaster: What to Know
It wins this guide on sequence, not on sophistication. Every other product here involves contact with the front element, and contact on a lens that still has grit on it is how coatings get scratched, so the blower is the thing you use first and often the only thing you need. The AA1900 is the large model in the Rocket line, 7.5 inches overall with a 2.4 inch body diameter and a 2.25 inch nozzle, weighing 3.2 oz, and B&H's published specification credits it with a one-way valve on the bottom that draws clean air in rather than recirculating what it just blew off.
The details that make it the standard recommendation are unglamorous. The bulb is natural rubber with a fast rebound, so you get something closer to a continuous stream than a series of puffs. The nozzle detaches for cleaning. It stands upright on a flat surface instead of rolling off the desk, which sounds trivial until you have chased one across a table mid-shoot. And the intake opening is shaped to avoid the whistle that cheaper bulbs produce.
Two things to be clear about. These figures are manufacturer specifications as published by B&H, we have not measured airflow and nobody publishes a meaningful airflow number for a hand bulb anyway, so treat large as a relative claim against the medium model in the same line rather than a quantity. And a blower has a hard limit: it moves dust, it does nothing to fingerprints, water spots or oily residue. Those need the dry and wet tools below, in that order.
Key Listed Features
7.5 inches overall length, 2.4 inch body diameter, 2.25 inch nozzle, 3.2 oz (90 g) weight
One-way valve in the base draws in clean air rather than recirculating dislodged dust
Natural rubber bulb with fast rebound for a near-continuous air stream, and a removable nozzle for cleaning
Stands upright on its base, with an intake opening shaped to avoid whistling
Product image from current catalog data


