Nikon 13-30x/20-45x/25-56x MC Zoom Eyepiece MC for Fieldscope

Enhance your viewing experience with this versatile Nikon Fieldscope Eyepiece, designed for compatibility with Fieldscope III, EDIII, ED82, and ED50 models. This eyepiece delivers exceptional clarity and performance across various magnifications, making it an essential accessory for birdwatching, nature observation, or long-range viewing.

Key Specifications:

Magnification: 20-45x when attached to Fieldscope III or EDIII 25-56x when attached to Fieldscope ED82 13-30x when attached to Fieldscope ED50

Angular Field of View (Real/Degree): 2° at 20x magnification (Fieldscope III or EDIII) 1.6° at 25x magnification (Fieldscope ED82) 3° at 13x magnification (Fieldscope ED50)

Angular Field of View (Apparent/Degree): 38.5° for all models at: 20x magnification (Fieldscope III or EDIII) 25x magnification (Fieldscope ED82) 13x magnification (Fieldscope ED50)

Field of View at 1,000m: Approximately 35m at 20x magnification (Fieldscope III or EDIII) 28m at 25x magnification (Fieldscope ED82) 52m at 13x magnification (Fieldscope ED50)

Exit Pupil: 3mm at 20x magnification (Fieldscope III or EDIII) 3.3mm at 25x magnification (Fieldscope ED82) 3.8mm at 13x magnification (Fieldscope ED50)

Relative Brightness: 9 at 20x magnification (Fieldscope III or EDIII) 10.9 at 25x magnification (Fieldscope ED82) 14.4 at 13x magnification (Fieldscope ED50)

Eye Relief: 12.9mm for all models at: 20x magnification (Fieldscope III or EDIII) 25x magnification (Fieldscope ED82) 13x magnification (Fieldscope ED50)

Weight: 100g

This lightweight and durable eyepiece ensures comfortable viewing with consistent eye relief across all compatible Fieldscope models. Perfect for outdoor enthusiasts seeking precision and reliability in their optical equipment.