Binocular Eye Cups Replacement 2Pcs Rubber Guards for Microscope Telescope Eyepieces 30-40mm

High-Grade Elastic Rubber Build: Manufactured from soft, pliable rubber that stretches securely over eyepieces, maintaining its shape over time without scratching microscope optics Flat-Angle Light-Blocking Guard: Designed to shield out ambient light glare, ensuring undisturbed visual clarity and comfortable observation during detailed examination work Eye Impact Cushioning & Optimal Positioning: Provides a gentle cushion to safeguard eyes against accidental bumps while maintaining the correct eye relief for smooth, strain-free viewing Foldable & Adaptable Functionality: Highly flexible design allows the eye cups to be folded down easily, accommodating spectacle wearers and compact storage requirements Essential Upgrade for Optical Instruments: A long-lasting and practical accessory designed to protect both the user and stereo microscope equipment in educational or industrial settings