39/42mm Rubber Eyepiece Dust Free Cover Dustproof Cap, for Binocular Trinocular HDMI USB HD Soldering Microscope Stand Lens Telescope Digital Camera, Protect Your Eyepiece, Objective Lens, DSLR Lens From Damage, Water, Scratch, Dust,. etc.

Features:
Made from durable rubber for long lasting usage. Healthy and environmentally friendly material.

Protective your valuable device by these useful caps.

1: Inner Diameter: 38mm, Outer Diameter: 42mm;
2: Inner Diameter: 42mm, Outer Diameter: 45mm.

Note:
Before order, please check the size of eyepiece or eyepiece rubber, so that you can check if the Dust-Proof Cover match it.

Package List:
2x 38mm Eyepiece Dust Free Cover
2x 42mm Eyepiece Dust Free Cover