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PerchPrairieBirding Optics Lab Top picks

About PerchPrairie

Who we are and how we test

The short version: we buy or borrow the gear, use it in the field for weeks, score it on four axes, and publish the result — whether or not anyone is happy about it. We currently have 63 products from 30 brands in the library, and zero sponsored placements.

How our scores work

Every product gets a single headline score out of five, built from four sub-scores you can see on each review page. The weighting shifts by category — a tripod is judged on stability, a field guide on accuracy — but the discipline is the same:

What would make us pull a recommendation: a quality-control slide, a warranty policy that quietly worsens, or a price move that breaks the value case. We retest the library every spring for exactly this reason.