A Guide to Attaching Eyepiece Covers

November 05 2025, 3 min reading time

Eyepiece covers come in various sizes and shapes. Use this guide to ensure the cover you choose is compatible with your camera's viewfinder and fits correctly to protect the camera's viewfinder from stray light, dust, and moisture while improving visibility for you, the camera operator.

Eyepiece covers are a crucial accessory for filmmakers, especially when working in bright or outdoor environments. They protect the camera's viewfinder from stray light, dust, and moisture while improving visibility for the camera operator. Whether you're using a professional cinema camera or a DSLR for video production, knowing how to attach an eyepiece cover correctly ensures you get the most out of this essential piece of gear.

Why Use Eyepiece Covers?

Eyepiece covers offer several benefits:

Light Blocking: They prevent ambient light from leaking into the viewfinder, ensuring a clearer image.
Comfort: Soft materials, like those used in BlueStar eyepiece covers, provide a cushioned surface for your eye.
Protection: Covers shield the eyepiece from dirt, scratches, and accidental damage.
Customization: Available in various sizes and materials to suit different cameras and operator preferences.

Pictured: Bluestar 3011 Eyepiece Cover on RED Camera

How to Attach an Eyepiece Cover?

Here’s a step-by-step guide to securely attach an eyepiece cover to your camera:

1. Choose the Right Cover for Your Camera

Eyepiece covers come in various sizes and shapes. Ensure the cover you choose is compatible with your camera's viewfinder. Brands like BlueStar offer covers in multiple materials - including genuine leather, microfleece, and medical-grade silicone - specifically designed for different camera models and preferences.

2. Clean the Eyepiece Area

Before attaching the cover, clean the camera’s eyepiece to remove dust or debris. Use a microfiber cloth or lens cleaning tissue to avoid scratching the surface.

3. Position the Cover

Most eyepiece covers, like those from BlueStar, have elastic bands or Velcro for easy attachment.

Elastic Covers: Stretch the band over the eyepiece, ensuring a snug fit. Adjust the cover so it aligns perfectly with the eyepiece lens.
Velcro Covers: Secure the Velcro strap around the eyepiece, tightening it to your desired fit.

4. Test the Fit

Once attached, look through the viewfinder to ensure the cover is properly aligned and doesn’t obstruct your view. Adjust as needed.

5. Secure for Stability

Double-check that the cover is firmly attached. A loose cover can fall off during shooting, especially in busy or outdoor conditions.

Pictured: BlueStar 3011 Eyepiece Cover Elasticated Backing, note this backing differs from other BlueStar Covers

Tips for Using Eyepiece Covers

Choose Material Wisely: For long shooting days, opt for soft covers like chamois or microfiber for added comfort.
Keep It Clean: Regularly clean your eyepiece cover to prevent dirt buildup, which could affect visibility or damage the eyepiece.
Carry Extras: Have spare covers on hand, especially during demanding shoots, in case one gets dirty or damaged.
Use in Bright Environments: Always attach an eyepiece cover when filming outdoors or in bright settings to reduce glare and improve focus.

Take a few minutes to secure your cover correctly, and you’ll be rewarded with a hassle-free and professional shooting experience, whether you're filming a feature-length movie or a quick outdoor interview.