---
product_id: 422913428
title: "38.5-40.7mm Binocular/Scope/Mono Cover Rainguard/Eyepiece/Eyecup Cover/Dustguard/Eye Guard Cap Rubber Black"
brand: "generic"
price: "$24.63"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/422913428-38-5-40-7mm-binocular-scope-mono-cover-rainguard-eyepiece
store_origin: US
region: United States of America
---

# Water resistant 38.5-40.7mm diameter Dust & scratch protection 38.5-40.7mm Binocular/Scope/Mono Cover Rainguard/Eyepiece/Eyecup Cover/Dustguard/Eye Guard Cap Rubber Black

**Brand:** generic
**Price:** $24.63
**Availability:** ✅ In Stock

## Summary

> 🔭 Elevate Your Outdoor Experience with Ultimate Lens Protection!

## Quick Answers

- **What is this?** 38.5-40.7mm Binocular/Scope/Mono Cover Rainguard/Eyepiece/Eyecup Cover/Dustguard/Eye Guard Cap Rubber Black by generic
- **How much does it cost?** $24.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/422913428-38-5-40-7mm-binocular-scope-mono-cover-rainguard-eyepiece)

## Best For

- generic enthusiasts

## Why This Product

- Trusted generic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect Fit:** Designed for 38.5-40.7mm ocular lenses, ensuring a snug fit.
- • **Flexible Design:** One-piece construction stretches for a secure fit, maximizing lens protection.
- • **Convenient Access:** Easily attach to your binocular strap for quick access on the go.
- • **All-Weather Protection:** Defend your optics against rain, dust, and scratches in any environment.
- • **Universal Compatibility:** Fits a wide range of binoculars, monoculars, and scopes for versatile use.

## Overview

The Generic 38.5-40.7mm Binocular/Scope/Mono Cover is a high-quality rainguard designed to protect your ocular lenses from environmental elements. With a flexible design for a perfect fit, it ensures your optics remain safe from rain, dust, and scratches. Compatible with various models, this cover is a must-have for any outdoor enthusiast.

## Description

【Measuring】Please measure the Outside diameter of the Ocular Lens outer tube's diameter to get accurate sizing, if the diameter is between 38.5-40.7mm, it will fit perfect. If the diameter is different, please choose a different size. 【Protection】These covers protect your lenses from rain, dust and scratches in any weather or environment. They also offer protection to your lenses in transit and storage. 【Easy to Remove / Add】Place the rainguard cover on the Ocular Lenses outer tubes to protect your lenses. You can conveniently attach to your binocular strap to keep within easy reach. 【Design】The high quality One piece flexible cover stretches for a tight fit. This ensures optimal protection for each Ocular lens. 【Fits Models】All the sizes we list allow you to find the correct size for all standard binoculars, monoculars and scopes. Compatible models include 8x30,10x30, 8x32, 10x32, 8x42,10x42, 8x50, 10x50, 8x56 and 10x56 models

## Features

- 【Measuring】Please measure the Outside diameter of the Ocular Lens outer tube's diameter to get accurate sizing, if the diameter is between 38.5-40.7mm, it will fit perfect. If the diameter is different, please choose a different size.
- 【Protection】These covers protect your lenses from rain, dust and scratches in any weather or environment. They also offer protection to your lenses in transit and storage.
- 【Easy to Remove / Add】Place the rainguard cover on the Ocular Lenses outer tubes to protect your lenses. You can conveniently attach to your binocular strap to keep within easy reach.
- 【Design】The high quality One piece flexible cover stretches for a tight fit. This ensures optimal protection for each Ocular lens.
- 【Fits Models】All the sizes we list allow you to find the correct size for all standard binoculars, monoculars and scopes. Compatible models include 8x30,10x30, 8x32, 10x32, 8x42,10x42, 8x50, 10x50, 8x56 and 10x56 models

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions L x W x H | 9.8 x 6.2 x 1.9 centimetres |
| Package Weight | 0.02 Kilograms |
| Product Dimensions L x W x H | 13 x 4.2 x 1.2 centimetres |
| Item Weight | 19.9 Grams |
| Brand | Generic |
| Colour | Black |
| Included components | One Rainguard |
| Part number | Variation |
| Size | 38.5-40.7mm |
| Water Resistance Level | Water Resistant |
| Style | Modern |
| Guaranteed software updates until | unknown |

## Product Details

- **Brand:** Generic
- **Colour:** Black
- **Material:** Rubber
- **Frame finish:** Full Rim
- **Frame material:** Rubber

## Images

![38.5-40.7mm Binocular/Scope/Mono Cover Rainguard/Eyepiece/Eyecup Cover/Dustguard/Eye Guard Cap Rubber Black - Image 1](https://m.media-amazon.com/images/I/51IBUHzJFbL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Stiff, but functional
*by B***R on 4 December 2024*

Stiff fit on my Bresser 8 x 40. Flexible and suitable joining piece.They appear durable and are effective for their purpose.Good value for the price and a worth investment to keep my lens protected from rain & dust.

### ⭐⭐⭐⭐ Good generic product
*by D***N on 15 June 2025*

Good quality generic product. Advice on sizing is very good.

### ⭐⭐⭐⭐⭐ Great Replacement Lens Covers
*by D***. on 25 June 2025*

Excellent fit for my Opticron binoculars.

## Frequently Bought Together

- 38.5-40.7mm Binocular Rainguard/Eyepiece/Eyecup Cover/Dustguard/Eye Guard Cap Rubber Black
- 42mm Binocular/Monocular Objective Lens Cover Rubber Set fits models with Outer Diameter 51.8-53.3mm

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-13*