Eschenbach 4X Galilean Telescopes

This Eschenbach Galilean telescope for distance is available in a binocular system. Galilean systems are small, lightweight optical systems that offer a bright image. They consist of a plus objective lens and a minus ocular lens. Special Features: * Unique adjustable frame allows the system to be fit immediately so it can be used THAT DAY! No lab required! * Focal Range: 70 cm+ * Adjustable bars for the pupillary distance can be locked in place simply by tightening the screws and using the included lockwasher * Frame features cold bend wire-core temples (150 mm in length) and an adjustable saddle bridge. Specs: * Magnification: 4x * Lens Size: 23 mm * Lens Type: Galilean * Case: Included * Case Material: Vinyl * Mount: Black Plastic * Lens Material: Achromatic Lens System * Miscellaneous: Temples Have Cold Bend Wire Cores, Available in 3x (1634) * Temple Length: 155 mm * Bridge: Open Saddle * Frame Size: no * Visual Field: 7.5 Degrees * PD Range: 54-74 mm * Reading Caps: no * Cap Diopters: no * Display: 1699 * Weight: 70 Grams Model: 1634-4 Manufacturer: Eschenbach Origin: Germany Model: 16344 Shipping Weight: 2.1lbs Manufactured by: Eschenbach