Gary Sonnenberg

Gary is a bird watcher and amateur astronomer. This means he's set up several bird feeders in his backyard and likes looking at the night sky when the weather is warm. To those ends, he uses optics appropriate for those avocations.

Zeiss SFL 8x40 binoculars

Zeiss SFL 8×40 Binoculars and 10×40 Binoculars

In mid-2022, Zeiss produced a lightweight version of their SmartFocus (SF) binoculars. They called them the Zeiss SFL 8×40 binoculars and the Zeiss SFL 10×40 binoculars. In case you haven’t deciphered the acronym yet, SFL stands for SmartFocus Lightweight – a name more functional than creative. These binoculars are similar to, but significantly less expensive …

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Adasion 12x42 binoculars

Adasion Optics: 12×42 Binoculars and a 12×56 Monocular

There’s a new kid in town – Adasion. Adasion seems to be an optical company with just two products: 12×42 binoculars and a 12×56 monocular. Both are quite popular, though I expect that’s mainly due to the “discounted” price for the binoculars. Let’s take a quick look at what you get for your money from …

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Vortex Optics Solo Monoculars: 4 Inexpensive Options

Note: I get commissions for purchases made through links in this post. Vortex Optics makes four very similar monoculars in their Solo line. The Vortex Optics Solo monoculars come in 8x and 10x magnifications and 25mm and 36mm objective lens sizes. Combine those specifications appropriately and you get the four monoculars in the list just …

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