The Field Issue 42mm brings full-size optical power into a lighter, more versatile form. Designed for those who demand brighter images, stronger low-light performance, and greater reach, these binoculars deliver crisp detail and a wide, immersive field of view without feeling bulky or overbuilt.
Waterproof, fogproof, and tripod-compatible, the Field Issue 42mm is ready for longer sessions and bigger landscapesalpine ridgelines, open water, and wide-open terrain. Its a confident step up in performance for birders and outdoor travelers who want more from every look.
Core Features :
- HiFi Fully multi-coated lenses deliver a bright, clear view with less glare and added durabilityso what youre looking at stays sharp, even after miles of use.
- Premium BaK4 highest quality roof prisms made from high-quality optical glass produce truer color and better clarity, especially in low light when details matter most.
- Rugged, impact-absorbing housing feels solid and natural in hand, with added grip to protect your binoculars when they inevitably take a hit along the way.
- 42mm objective lenses gives this binocular better low-light performance and provides a more immersive experience with a wider field of view than the Field Issue 32mm.
- Waterproof (IPX7) means theyre built to handle storms, splashes, and full submersion up to 1 meter for 30 minutesbecause weather rarely asks permission.
- Fogproof construction with nitrogen-filled chambers prevents internal fogging as temperatures and conditions change.
- Twist-up eyecups adjust easily for a comfortable fit, whether youre wearing glasses or not.
- Built in objective lens coverings provide ultimate protection from lens scratches no matter what you throw at them (or throw them off of).
Includes :
- Binoculars
- Lens Covers
- Microfiber Bag
- Lens Cloth
- Basic Webbing Strap
_______________________________________________________________





![Shakespeare 4186BP/L206B Nylon Ratchet Mount [4186-BP]](https://www.castfieldgear.com/wp-content/uploads/2026/10/shakespeare-4186bp-l206b-nylon-ratchet-mount-4186-bp.webp)



