Looking for the best 37-42mm lens covers to protect your gear? We’ve curated a list of the top 10 easy-to-use, durable, and snug-fitting lens covers to keep your lenses safe from dust, scratches, and damage.
Protecting your lenses is key to keeping your gear in top shape. Whether you’re a photographer or a shooter, the right lens cover makes a big difference. We’ve found the best 37-42mm lens covers to keep your lenses safe and ready for action.
These covers are easy to use, fit snugly, and last long. They shield your lenses from dust, scratches, and damage. You’ll find options for cameras, riflescopes, and more.
We’ve tested and picked the top choices for you. Read on to find the perfect lens cover that fits your needs and keeps your gear protected.
List of Top 10 37-42mm Lens Covers
| Image | Title | Best For | Price |
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2-Pack 37mm Front Lens Cap Cover with Deluxe Cap Keeper for Olympus 14-42mm 1:3.5-5.6 EZ Kit Lens on Olympus OM-D EM10 Mark III II EPL9 EPL8 EPL7 EPL6 EPL3 EPL2 EP3 & Other 37mm Filter Thread Lenses |
This 2-Pack 37mm Front Lens Cap Cover is perfect for photographers who want to protect their lenses from scratches, fingerprints, and dust. It’s ideal for Olympus users with 37mm filter thread lenses, like the OM-D EM10 Mark III II or EPL9, and anyone needing a reliable, easy-to-use lens cap with a handy keeper to prevent loss. |
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Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Eyepiece | 37-42 mm Outside Diameter) |
These Monstrum Rubberized Flip-Up Rifle Scope Lens Covers are perfect for hunters and shooters who want to protect their rifle scope lenses from dust and damage. They are easy to use and fit snugly, keeping your scope ready for action. |
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Monstrum Pro Series Flip-Up Scope Lens Covers (Eyepiece | 37-42 mm oustide Diameter) |
These lens covers are perfect for hunters. They keep your scope safe and clean. |
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37mm Lens Cap Cover for Olympus M.Zuiko Digital ED 14-42mm f3.5-5.6 II R/f3.5-5.6 EZ(Not for f3.5-5.6) 45mm f/1.8,Panasonic Lumix 12-32mm f/3.5-5.6[2 Pack] |
This lens cap is for camera owners. It fits many small lenses. Use it for your Olympus or Panasonic gear. It protects your glass from dust. It stops scratches on the lens. This two pack is great for spares. You can keep one in your bag. It is easy to use. It stays secure. Keep your gear safe and clean every day. |
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Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Objective Bell | 37-42 mm Outside Diameter) |
This product is perfect for hunters and shooters who want to protect their rifle scope lenses. It fits scopes with an outside diameter of 37-42 mm. The spring-loaded flip-up cover is easy to open and keeps dust and scratches away. If you want a strong, reliable lens cover, this is for you. |
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Monstrum Pro Series Flip-Up Scope Lens Cover with Detachable Honeycomb ARD (Objective Bell | 37-42 mm inch oustide Diameter) |
This Monstrum Pro Series Flip-Up Scope Lens Cover is perfect for hunters, shooters, and outdoor enthusiasts who want to protect their scope lenses and stay hidden. It’s easy to use and fits snugly, keeping your gear clean and ready for action. |
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Arken Optics Rifle Scope Caps Flip Up Lens Covers 37-42mm&55-59mm |
These Arken Optics Rifle Scope Caps are perfect for hunters and shooters who want to protect their lenses. They fit many popular scopes, keeping them safe and ready for action. |
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Monstrum Ultra Series Flip-Up Scope Lens Covers (Eyepiece | 37-42 mm Diameter) |
Perfect for anyone who wants clear, safe, and fast protection for their scope. Great for shooters who need a strong, easy flip-up cover that keeps their lens clean at all times. |
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Monstrum Ultra Series Flip-Up Scope Lens Covers (Objective Bell | 37-42 mm inch Diameter) |
Those with a 37‑42 mm scope bell love these snug, clean covers. They protect glass, fit easily, and pop up with a quick flick. |
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Monstrum Pro Series Flip-Up Scope Lens Covers (Objective Bell | 37-42 mm inch oustide Diameter) |
These Monstrum Pro Series Flip-Up Scope Lens Covers are perfect for hunters, shooters, and outdoor enthusiasts who want to protect their scope lenses from dirt, dust, and damage. They’re easy to use and fit snugly, keeping your glass clean and ready for when you need it most. |
Detailed Reviews
This guide brings you the best 37-42mm lens covers chosen with care and skill. Each pick is based on real performance and trusted feedback. You can count on this guide to help you choose with confidence. The clear details will make you want to explore more.
1. 2-Pack 37mm Front Lens Cap Cover with Deluxe Cap Keeper for Olympus 14-42mm 1:3.5-5.6 EZ Kit Lens on Olympus OM-D EM10 Mark III II EPL9 EPL8 EPL7 EPL6 EPL3 EPL2 EP3 & Other 37mm Filter Thread Lenses

This 2-pack lens cap set is perfect for protecting your camera lens. It includes high-quality plastic caps and deluxe elastic keepers. The caps fit 37mm lens thread size lenses.
The front lens cap shields your lens from scratches, fingerprints, and dust. It’s easy to attach with a simple pinch. The lens cap keeper prevents loss and adds convenience.
This set works with Olympus lenses and other 37mm filter thread lenses. Check your lens barrel for the thread size before using. It’s a must-have for photographers.
| Pros | Cons |
|---|---|
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Perfect For:
This 2-Pack 37mm Front Lens Cap Cover is perfect for photographers who want to protect their lenses from scratches, fingerprints, and dust. It’s ideal for Olympus users with 37mm filter thread lenses, like the OM-D EM10 Mark III II or EPL9, and anyone needing a reliable, easy-to-use lens cap with a handy keeper to prevent loss.
Ready to Purchase?
2. Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Eyepiece | 37-42 mm Outside Diameter)

Protect your rifle scope with Monstrum Rubberized Flip-Up Lens Covers. These covers fit snugly and keep lenses safe from dust and scratches. Measure carefully to get the right size for your scope.
The spring-loaded flip-up design opens easily when needed. It also stays secure when not in use, ensuring your scope is always ready.
Each package includes one rubberized cover. It conforms tightly to your scope tube, offering reliable protection for your lenses.
| Pros | Cons |
|---|---|
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Perfect For:
These Monstrum Rubberized Flip-Up Rifle Scope Lens Covers are perfect for hunters and shooters who want to protect their rifle scope lenses from dust and damage. They are easy to use and fit snugly, keeping your scope ready for action.
Ready to Purchase?
3. Monstrum Pro Series Flip-Up Scope Lens Covers (Eyepiece | 37-42 mm oustide Diameter)

Protect your lens now. These covers stay tight.
The cap flips up fast. It fits small glass well. Your view stays clear.
| Pros | Cons |
|---|---|
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Perfect For:
These lens covers are perfect for hunters. They keep your scope safe and clean.
Ready to Purchase?
4. 37mm Lens Cap Cover for Olympus M.Zuiko Digital ED 14-42mm f3.5-5.6 II R/f3.5-5.6 EZ(Not for f3.5-5.6) 45mm f/1.8,Panasonic Lumix 12-32mm f/3.5-5.6[2 Pack]
![37mm Lens Cap Cover for Olympus M.Zuiko Digital ED 14-42mm f3.5-5.6 II R/f3.5-5.6 EZ(Not for f3.5-5.6) 45mm f/1.8,Panasonic Lumix 12-32mm f/3.5-5.6[2 Pack]](https://m.media-amazon.com/images/I/41RKh+U8cFL._SL500_.jpg)
This 37mm lens cap fits Olympus 45mm f/1.8 and 14-42mm II lenses perfectly. It also works with Panasonic Lumix 12-32mm and 42.5mm f/1.7 models.
The snap-on center pinch design makes it very easy to attach. Each cap is made from high-quality ABS plastic for long-lasting durability.
This handy 2-pack ensures you always have a spare ready. Use the included leash to prevent losing your lens cover during shoots. Keep your expensive glass safe from scratches and dust.
| Pros | Cons |
|---|---|
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Perfect For:
This lens cap is for camera owners. It fits many small lenses. Use it for your Olympus or Panasonic gear. It protects your glass from dust. It stops scratches on the lens. This two pack is great for spares. You can keep one in your bag. It is easy to use. It stays secure. Keep your gear safe and clean every day.
Ready to Purchase?
5. Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Objective Bell | 37-42 mm Outside Diameter)

These lens covers fit well. They protect your scope from dust. The rubber stays tight and strong.
Flip them up to see. They snap shut fast.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for hunters and shooters who want to protect their rifle scope lenses. It fits scopes with an outside diameter of 37-42 mm. The spring-loaded flip-up cover is easy to open and keeps dust and scratches away. If you want a strong, reliable lens cover, this is for you.
Ready to Purchase?
6. Monstrum Pro Series Flip-Up Scope Lens Cover with Detachable Honeycomb ARD (Objective Bell | 37-42 mm inch oustide Diameter)

Keep your scope lenses clean and protected with the Monstrum Pro Series Flip-Up Scope Lens Cover. It fits snugly and securely thanks to its improved rubber sleeves.
The detachable honeycomb ARD reduces glare, helping you stay hidden. Spring-loaded caps flip up easily and lock tightly when not in use.
| Pros | Cons |
|---|---|
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Perfect For:
This Monstrum Pro Series Flip-Up Scope Lens Cover is perfect for hunters, shooters, and outdoor enthusiasts who want to protect their scope lenses and stay hidden. It’s easy to use and fits snugly, keeping your gear clean and ready for action.
Ready to Purchase?
7. Arken Optics Rifle Scope Caps Flip Up Lens Covers 37-42mm&55-59mm

Arken Optics Flip-Up Scope Caps keep your lens clean and safe. They open fast and stay firm.
They fit many Arken scopes. They lock in place. They flip smooth.
Each set covers your eyepiece and objective lens with a snug, simple fit. Your view stays clear, and your gear stays protected.
| Pros | Cons |
|---|---|
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Perfect For:
These Arken Optics Rifle Scope Caps are perfect for hunters and shooters who want to protect their lenses. They fit many popular scopes, keeping them safe and ready for action.
Ready to Purchase?
8. Monstrum Ultra Series Flip-Up Scope Lens Covers (Eyepiece | 37-42 mm Diameter)

Protect your scope lens with the Monstrum Ultra Series Flip-Up Scope Lens Covers. They keep your glass clean and safe from damage.
The rubberized sleeves fit snugly around your scope tube. They are made from a tough rubber that lasts long. The flip-up caps open easily with a thumb flick.
These covers have a clear lens so you can see through even when closed. They fit scopes with an outside diameter of 37-42 mm. Choose the right size for the best fit and protection.
| Pros | Cons |
|---|---|
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Perfect For:
Perfect for anyone who wants clear, safe, and fast protection for their scope. Great for shooters who need a strong, easy flip-up cover that keeps their lens clean at all times.
Ready to Purchase?
9. Monstrum Ultra Series Flip-Up Scope Lens Covers (Objective Bell | 37-42 mm inch Diameter)

This cover fits only when you measure the outside size of your scope. It keeps your glass clean and safe. It flips open fast with a quick thumb flick.
The rubber sleeve grips tight and stays strong. It holds to your scope with steady support.
The clear flip cap lets you see even when closed. Pick the right size by checking your scope’s outer diameter.
| Pros | Cons |
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Perfect For:
Those with a 37‑42 mm scope bell love these snug, clean covers. They protect glass, fit easily, and pop up with a quick flick.
Ready to Purchase?
10. Monstrum Pro Series Flip-Up Scope Lens Covers (Objective Bell | 37-42 mm inch oustide Diameter)

Keep your scope lenses clean and damage-free with Monstrum Pro Series Flip-Up Scope Lens Covers. These covers are easy to use and protect your glass when you need it most. They fit scopes with a 37-42 mm outside diameter.
The rubberized sleeves are made from a durable material that fits snugly around your scope. They are spring-loaded for quick flipping with your thumb. Always measure your scope’s outside diameter before buying.
These lens covers are reliable and built to last. They keep your scope ready for action. Protect your investment with Monstrum Pro Series.
| Pros | Cons |
|---|---|
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Perfect For:
These Monstrum Pro Series Flip-Up Scope Lens Covers are perfect for hunters, shooters, and outdoor enthusiasts who want to protect their scope lenses from dirt, dust, and damage. They’re easy to use and fit snugly, keeping your glass clean and ready for when you need it most.
Ready to Purchase?
Buying Guide
Protect your lenses with the right cover. Keep them safe from dust, scratches, and damage. Find the best 37-42mm lens cover for your needs.
Choosing the perfect lens cover is easy when you know what to look for. We’ve tested top options to help you decide. Here’s what to consider:
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Lens Size:
Measure your lens carefully. Check the outside diameter to ensure a snug fit. -
Material:
Look for durable materials like rubber or ABS plastic. They last longer and protect better. -
Ease of Use:
Choose covers that are easy to attach and remove. Flip-up designs are great for quick access. -
Protection Level:
Pick covers that shield against dust, scratches, and fingerprints. Some even reduce glare. -
Compatibility:
Make sure the cover fits your camera, rifle scope, or other gear. Check the thread size or diameter before buying. -
Extra Features:
Look for keepers or leashes to prevent loss. Clear flip caps let you see through even when closed. -
Pack Size:
Consider buying a 2-pack for spares. It’s handy to have backups ready.
With these tips, you’ll find the best 37-42mm lens cover for your gear. Keep your lenses safe and ready for action!