Birding Optics: Binoculars and Scopes - Articles by Michael and Diane Porter on how to choose and use them, comparison charts of top brands, and how they work.
BirdScope - Information about birding with Tele Vue telescopes, with telescope and accessory selection guides, specifications, reviews, usage notes, and dealer list.
Eagle Optics - Resource for Binoculars and Spotting Scopes for Birding, Hunting, Nature, Sports, and Outdoor Recreation. See Complete Online Binocular Catalog and Buying Guide.
Mike's Birding Blog - Reviews of optical equipment for birding and digiscoping. Articles and pictures about birding.
Optics4birding - Sells binoculars, scopes, and tripods. Includes reviews, articles on optics basics and a buying guide.
