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Delta Optical Forest II 12x50 is a roof-prism binocular designed for detailed daytime observation at long distances. The combination of 12× magnification and 50 mm objectives provides high resolution and clear identification of distant targets while maintaining relatively compact dimensions and moderate weight. This model is aimed at users who prioritize magnification and detail over maximum low-light performance.
🫡 We are a team of veterans
We evaluate optics from a real-world perspective: sharpness across the field, contrast, image stability at high magnification, and reliability in harsh weather. The Forest II 12x50 is a practical daytime observation tool.
⚙️ Technical specifications
| Parameter | Value |
|---|---|
| Magnification | 12x |
| Objective diameter | 50 mm |
| Optical design | Roof |
| Optical layout | 8 elements in 6 groups |
| Prism type | BaK4 with phase correction |
| Prism coating | silver mirror coating |
| Lens coating | Fully Multi-Coated (FMC) |
| Exit pupil diameter | ~4.2 mm |
| Intended use | primarily daytime observation |
| Focusing system | central focusing wheel |
| Diopter adjustment | right eyepiece |
| Eyecups | rubber, twist-up |
| Waterproofing | sealed housing |
| Water resistance | immersion up to 1 m for 5 minutes |
| Fogproof | nitrogen filled |
| Dimensions | 165 × 133 × 60 mm |
| Weight | moderate for a 12x50 binocular |
💬 Comment
The 12x50 configuration offers high magnification without moving into the heavy and bulky 56–63 mm class. Phase-corrected BaK4 prisms with silver coating and FMC lenses deliver excellent sharpness and contrast in daylight conditions.
🎯 Who it is for
Ideal for military and observation personnel requiring detailed identification at long distances during daylight.
Well suited for reconnaissance and observation units operating in open terrain.
Useful for hunters focused on daytime glassing.
Appropriate for naturalists and birdwatchers studying distant subjects with high detail.