Delta Optical Discovery 10-22x50 Zoom Binoculars DO-1204

Birdwatchers, hunters, and outdoor enthusiasts who need flexible magnification will appreciate the Delta Optical Discovery 10-22x50 Zoom Binoculars. With a 50 mm objective lens and variable 10–22× zoom, you can scan wide areas at low power, then zoom in for detailed observation of distant subjects. The Porro prism design with BaK-4 glass and multi-coated lenses delivers bright, clear images, while the rubber-armored body provides a secure grip and splashproof protection.

Key specifications

• Magnification: 10–22× (zoom)
• Objective lens diameter: 50 mm
• Prism type: Porro
• Optical glass: BaK-4
• Lens coating: Multi-coated (MC)
• Field of view at 10×: 62 m / 1000 m (3.5°)
• Field of view at 22×: 38 m / 1000 m (2.2°)
• Exit pupil: 5 mm at 10×, 2.27 mm at 22×
• Eye relief: 15 mm
• Close focus distance: 8 m
• Focus system: Central focus
• Diopter adjustment: Right eyepiece
• Tripod adaptable: Yes (1/4" thread)
• Body material: Rubber armored
• Water resistance: Splashproof
• Colour: Black

Why choose it

The zoom range eliminates the need to carry multiple binoculars. At 10× you get a wide field of view to locate your subject, and at 22× you can zoom in for fine detail. The large 50 mm objective gathers ample light for use in dawn, dusk, or overcast conditions.

Ideal use cases

• Birdwatching and nature observation
• Hunting and wildlife spotting
• Outdoor sports and events
• General long-distance viewing

Good to know

The binoculars are tripod adaptable for steady, high-magnification viewing. The rubber armor provides shock resistance and a non-slip grip, while the splashproof design protects against light rain and moisture.