Key benefits - Clear, realistic images with minimized chromatic aberration and high light transmittance thanks to a BAK-4 prism and FMC broadband green film coating. - Flexible dual focus and zoom control: select the desired magnification with the multiplier knob, then fine-tune with the focus knob to lock onto the target and zoom in for detail. - Bright, sharp view with large eyepieces and large objective lenses that enhance focusing ability, resolution, and provide a broad field of view for easier tracking of targets. Key specifications and design attributes - Prism: BAK-4 - Coatings: FMC broadband green film - Focusing system: dual focus function with 2 adjustment knobs, including a multiplier knob to set magnification and a focus knob for fine-tuning - Optics: large eyepieces and large objective lenses to improve focus, resolution, and field of view Performance and usability - The optical design minimizes chromatic aberration while delivering high light transmission for clearer and more accurate images. - The two-step focusing process allows quick target acquisition and detailed observation: adjust magnification with the multiplier knob, then fine-tune with the focus knob to lock onto the target and enlarge the view. Use scenarios - Bird watching and wildlife observation: approach distant subjects with a bright, clear view, allowing fast and accurate focusing and detailed observation. - Scenic viewing and travel: observe distant landscapes with enhanced brightness and resolution for more realistic scenery. - Outdoor education and nature study: examine subjects at varying distances with reliable focus and image quality. Notes - This product emphasizes function, optical quality, and practical performance with a straightforward focusing and magnification system. - The design highlights include a high-quality BAK-4 prism, FMC broadband green film coatings, dual focus with a multiplier knob, and large eyepieces and objective lenses to support clear imaging and a wide field of view.