20 Best Lens Cap 40mm [2024]

Are you looking for the best Lens Cap 40mm? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Lens Cap 40mm.

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# Preview Product
1 Lens Cap Cover Keeper Protector for Olympus M.Zuiko ED 12-40mm f2.8 PRO Lens Cap Cover Keeper Protector for Olympus M.Zuiko ED 12-40mm f2.8 PRO
2 77mm Snap-On Lens Cap for Canon 16-35mm f/4L, 17-40mm, 17-55mm, 24-70mm, 24-105mm, 28-300mm,... 77mm Snap-On Lens Cap for Canon 16-35mm f/4L, 17-40mm, 17-55mm, 24-70mm, 24-105mm, 28-300mm,...
3 Leupold Alumina Flip Back Lens Cover Kit - 40mm & Standard EP Leupold Alumina Flip Back Lens Cover Kit - 40mm & Standard EP
4 Vortex Optics Defender Flip Cap - Objective Lens O-32 (38-41 mm) Vortex Optics Defender Flip Cap - Objective Lens O-32 (38-41 mm)
5 Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Eyepiece | 37-42 mm/1.5-1.7 inch Diameter) Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Eyepiece | 37-42 mm/1.5-1.7 inch Diameter)
6 52mm Lens Cap Cover for Nikon AF-S DX Micro-NIKKOR 40mm f/2.8G,NIKKOR Z 40mm f/2,Canon EF 40mm f/2.8... 52mm Lens Cap Cover for Nikon AF-S DX Micro-NIKKOR 40mm f/2.8G,NIKKOR Z 40mm f/2,Canon EF 40mm...
7 58mm Lens Cap Cover for Olympus M.Zuiko 40-150mm f/4.0-5.6 R Micro ED Digital Zoom Lens,HUIPUXIANG[2... 58mm Lens Cap Cover for Olympus M.Zuiko 40-150mm f/4.0-5.6 R Micro ED Digital Zoom...
8 Opticron 40mm BGA Binocular Rainguard,31076,Black Opticron 40mm BGA Binocular Rainguard,31076,Black
9 DOWN UNDER OUTDOORS Silicone Rubber Scope Binocular Cover Sunshade Rain Cap Eye Piece Objective Lens... DOWN UNDER OUTDOORS Silicone Rubber Scope Binocular Cover Sunshade Rain Cap Eye Piece Objective...
10 Lens Cap Cover Keeper Protector for Canon EF 40mm f/2.8 STM Lens Lens Cap Cover Keeper Protector for Canon EF 40mm f/2.8 STM Lens
11 Rifle Scope Cover Quick Flip Spring Up Open Lens Cover Cap Eye Protect Objective Cap for Caliber 29... Rifle Scope Cover Quick Flip Spring Up Open Lens Cover Cap Eye Protect Objective Cap for Caliber...
12 Schneider 40mm Push-On Lens Cap Schneider 40mm Push-On Lens Cap
13 Haoge LH-S245N Bayonet Square Metal Lens Hood for Sony FE 50mm F2.5 G FE 40mm F2.5 G FE 24mm F2.8 G... Haoge LH-S245N Bayonet Square Metal Lens Hood for Sony FE 50mm F2.5 G FE 40mm F2.5 G FE 24mm F2.8...
14 58mm Universal Snap-On Lens Cap for Olympus M.Zuiko 40-150mm f/4.0-5.6 R Micro ED Digital Zoom Lens... 58mm Universal Snap-On Lens Cap for Olympus M.Zuiko 40-150mm f/4.0-5.6 R Micro ED Digital Zoom...
15 Nikon 35mm f/1.8G AF-S DX Lens for Nikon DSLR Cameras (Renewed) Nikon 35mm f/1.8G AF-S DX Lens for Nikon DSLR Cameras (Renewed)
16 Tenba Solstice 24L Backpack - Black (636-415) Tenba Solstice 24L Backpack - Black (636-415)
17 40.5mm Snap-on Lens Cap Cover with Keeper for Sony E-Mount 16-50mm F3.5-5.6 Lens for Sony Alpha... 40.5mm Snap-on Lens Cap Cover with Keeper for Sony E-Mount 16-50mm F3.5-5.6 Lens for Sony Alpha...
18 42mm Binocular/Monocular Objective Lens Caps Internal Diameter 51.8-53.3mm Rubber Cover Set Black,... 42mm Binocular/Monocular Objective Lens Caps Internal Diameter 51.8-53.3mm Rubber Cover Set...
19 Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Objective Lens | 55-62 mm/2.2-2.4 inch Diameter... Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Objective Lens | 55-62 mm/2.2-2.4 inch...
20 Butler Creek Element Scope Cap Eye Piece for 37-42mm Black EEP1 Butler Creek Element Scope Cap Eye Piece for 37-42mm Black EEP1
Bestseller No. 1
Lens Cap Cover Keeper Protector for Olympus M.Zuiko ED 12-40mm f2.8 PRO
  • Lens Cap Cover Keeper Protector for Olympus M.Zuiko ED 12-40mm f2.8 PRO
Bestseller No. 2
77mm Snap-On Lens Cap for Canon 16-35mm f/4L, 17-40mm, 17-55mm, 24-70mm, 24-105mm, 28-300mm,...
  • 77mm Lens Cap fits many cameras: Nikon, Canon, Olympus, Sigma, Vivitar, and others!
  • Protect your valuable lenses from scratches and dirt
  • Very handy item to keep in your gear bag - always have a spare!
  • This Kit includes: Lens Cap + Cap Keeper + Microfiber Cleaning Cloth
Bestseller No. 3
Leupold Alumina Flip Back Lens Cover Kit - 40mm & Standard EP
  • Model #62990 - Alumina flip back lens cover kit in size 40mm and standard EP
Bestseller No. 4
Vortex Optics Defender Flip Cap - Objective Lens O-32 (38-41 mm)
  • Virtually indestructible, the Defender is the most versatile and durable flip cap on the market, this is the last flip cap you'll ever need.
  • A stainless steel spring flips the cap into multiple stop positions at 45 and 90 degrees.
  • Outside diameter: 38-41 mm | 1.5-1.6 inches
  • Objective-32 Fits: RZR-6638, PST-43103, PST-43104, PST-2105, PST-2101, DBK-08-BDC, DBK-M-08P, DBK-10011, DBK-10013, CF2-31003, CF2-31002, CF2-31001R,...
  • Made in the USA.
Bestseller No. 5
Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Eyepiece | 37-42 mm/1.5-1.7 inch Diameter)
  • Rubberized flip-up rifle scope lens covers that conform tightly around your rifle scope tube, protecting your lenses from dust and abrasion
  • IMPORTANT: Sizing is not based on the objective lens size of your scope - a 3-9x40mm scope will not fit with a 40mm sized lens cover. For the correct...
  • Each package includes one Rubberized Flip-Up Lens Cover
  • Spring-loaded flip-up mechanism pops open effortlessly when needed and securely tightly when not in use
  • Please refer to sizing chart and sizing video, carefully measuring the OUTSIDE diameter of your scope, to ensure the proper size and fit.
Bestseller No. 6
52mm Lens Cap Cover for Nikon AF-S DX Micro-NIKKOR 40mm f/2.8G,NIKKOR Z 40mm f/2,Canon EF 40mm f/2.8...
  • ※Compatible for YONGNUO YN50mm f/1.8 【Not for YN50mm f/1.8n or 50mm f/1.8 II】.
  • ※The snap-on center pinch design makes it easy to install and remove.
  • ※Made of high-quality plastic ABS material,Colour: Black.
  • ※The leash can be glued to the surface of any camera lens cover to avoid losing the lens cover when taking pictures, and no longer worry about the...
Bestseller No. 7
58mm Lens Cap Cover for Olympus M.Zuiko 40-150mm f/4.0-5.6 R Micro ED Digital Zoom Lens,HUIPUXIANG[2...
  • Compatible for Olympus M.Zuiko 40-150mm f/4.0-5.6 R Micro ED Digital Zoom.
  • The snap-on center pinch design makes it easy to install and remove.
  • Made of high-quality plastic ABS material,Colour: Black.
  • The leash can be glued to the surface of any camera lens cover to avoid losing the lens cover when taking pictures, and no longer worry about the...
Bestseller No. 8
Opticron 40mm BGA Binocular Rainguard,31076,Black
  • Protective plastic one-piece eyepiece cap for binoculars
  • Universal fit
  • Internal diameter to 40mm
  • Attaches to neck strap for extra security
Bestseller No. 9
DOWN UNDER OUTDOORS Silicone Rubber Scope Binocular Cover Sunshade Rain Cap Eye Piece Objective Lens...
  • SIZING "small" fits most eye pieces, "medium" most 40mm objectives and "large" fits 50 and 56mm
  • SUN SNOW DUST RAIN PROTECTION for riflescope, spotting scope or binos, 3 sizes, suits 38 to 70mm OD
  • DESIGNED BY EXPERIENCED HUNTERS silently blocks glare, debris, waterproof, simplicity at its best
  • INSTANTLY READY no caps or neoprene, nothing to open, cross hairs on target, safety off, squeeze
  • LIFE TIME WARRANTY highest quality, UV stabilized, soft and elastic, tear resistant silicon rubber
Bestseller No. 10
Lens Cap Cover Keeper Protector for Canon EF 40mm f/2.8 STM Lens
  • Lens Cap Cover Keeper Protector for Canon Canon EF 40mm f/2.8 STM Digital Camera Lens
Bestseller No. 11
Rifle Scope Cover Quick Flip Spring Up Open Lens Cover Cap Eye Protect Objective Cap for Caliber 29...
  • Material: rubber
  • Size: as shown
  • Please choose the caliber that you want from the menu above
  • Please note: the caliber is the internal size of the cover, also the size of the outside diameter of the circumference, before you buy it, you must...
  • Package List:Flip Spring Up Lens Protect Cover Cap X 1
Bestseller No. 12
Schneider 40mm Push-On Lens Cap
  • Soft Plastic, Slip-On Design
Bestseller No. 13
Haoge LH-S245N Bayonet Square Metal Lens Hood for Sony FE 50mm F2.5 G FE 40mm F2.5 G FE 24mm F2.8 G...
  • The LH-S245N Square Metal Lens Hood is designed for Sony FE 50mm F2.5 G、FE 40mm F2.5 G,FE 24mm F2.8 G Lens
  • This bayonet-mount lens hood shades the lens from stray light, prevent or limit lens flare, improving your contrast and image quality.
  • Provide additional protection to the camera and lens from accident scratching.
  • Compatible with Lens:Sony FE 50mm F2.5 G (SEL50F25G)、FE 40mm F2.5 G (SEL40F25G),FE 24mm F2.8 G (SEL24F28G) Lens
  • New version: with metal Cap
Bestseller No. 14
58mm Universal Snap-On Lens Cap for Olympus M.Zuiko 40-150mm f/4.0-5.6 R Micro ED Digital Zoom Lens...
  • 58mm Lens Cap fits many cameras: Nikon, Canon, Olympus, Sigma, Vivitar, and others!
  • Protect your valuable lenses from scratches and dirt
  • Very handy item to keep in your gear bag - always have a spare!
  • This Kit includes: Lens Cap + Cap Keeper+ Microfiber Cleaning Cloth
Bestseller No. 15
Nikon 35mm f/1.8G AF-S DX Lens for Nikon DSLR Cameras (Renewed)
  • This Certified Refurbished product is manufacturer refurbished it shows limited or no wear
  • Includes all original accessories plus a 90 day warranty
  • Fast, f/1.8 prime lens is perfect for low-light conditions, travel, environmental portrait and general photography, Engineered for Nikon DX-format...
  • Aspherical lens element minimizes coma and other types of lens aberrations, further improving image integrity, Nikon Super Integrated Coating (SIC)...
  • Close focusing to 1 foot for creative perspectives and versatility, Rounded 7-blade diaphragm opening makes out-of-focus elements appear more natural,...
Bestseller No. 16
Tenba Solstice 24L Backpack - Black (636-415)
  • Rear Camera Access - Secures gear up against the user's back and enables access to equipment without fully removing the bag.
  • Capacity: 1-2 DSLRs (up to Pro size with grip/booster) with 5-7 lenses (up to attached 70-200mm 2.8). Also fits DJI Mavic and other compact drones.
  • Laptop Sleeve - Fits 13-inch MacBook Pro or similar sized laptop.
  • Tripod/Bottle Storage - Side pockets fit a tripod or a large water bottle.
Bestseller No. 17
40.5mm Snap-on Lens Cap Cover with Keeper for Sony E-Mount 16-50mm F3.5-5.6 Lens for Sony Alpha...
  • ✪Compatible with E-mount 16-50mm F3.5-5.6 Lens (NOT for E-mount 16-70mm F4 ZA Lens) .
  • ✪2 Pcs 40.5mm Generic Lens Cap compatible With all 40.5mm(Ø40.5) Lens .Please note that the size of the lens cap depends on the lens model, not the...
  • ✪Center pinch design allows easy attachment and removal, even with a lens hood in place.
  • ✪Pinch the sides of the cap and snap it into place. Includes lens cap keeper to prevent losses.
  • ✪Material: high impact plastic. Color: Black.
Bestseller No. 18
42mm Binocular/Monocular Objective Lens Caps Internal Diameter 51.8-53.3mm Rubber Cover Set Black,...
  • 【Measuring】Please measure the Outside diameter (including armouring) of the barrels to get accurate sizing, if the tubes outer diameter is between...
  • 【Fits Models】Fits most 42mm models including 8x42, 10x42 and 12x42. These covers also fit several binoculars / monoculars with objective lenses...
  • 【Protection】These covers protect your lenses from rain, dust and scratches in any weather or environment. They also offer protection to your...
  • 【Easy to Remove / Add】Place the lens covers on the outside barrel of your binocular/monocular to protect your lenses. Covers remain attached to...
  • 【Design】High quality flexible rubber is independently tethered and stretches for a tight fit. This ensures optimal protection for each lens.
Bestseller No. 19
Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Objective Lens | 55-62 mm/2.2-2.4 inch Diameter...
  • Rubberized flip-up rifle scope lens covers that conform tightly around your rifle scope tube, protecting your lenses from dust and abrasion
  • Spring-loaded flip-up mechanism pops open effortlessly when needed and securely tightly when not in use
  • Each package includes one Rubberized Flip-Up Lens Cover
  • For optimum fit, carefully measure the OUTSIDE DIAMETER of both your rifle scope’s eyepiece and objective bell. Please note that this measurement is...
  • Available in a full range of sizes to fit any rifle scope. Eyepiece Cover available in 37-43 mm(1.5-1.7 inch) or 43-49 mm(1.7-1.9 inch diameter)....
Bestseller No. 20
Butler Creek Element Scope Cap Eye Piece for 37-42mm Black EEP1
  • The Butler Creek Element Scope Caps has taken lens protection to the next level. This modular-interchangeable scope cap can be used in any weather...
  • Included are three lenses; black disk to minimize direct sunlight on the scope lens. A clear disk so you can see your reticle while caps are closed in...
  • These scope caps are highly rugged and feature a ridged polymer protective lid, durable to withstands abuse and extreme heat and cold. A...
  • SM 37-42mm: Multi-fit design with 10 total caps in line to fit the majority of scopes on the market

Having trouble finding a great Lens Cap 40mm?

This problem is well understood by us because we have gone through the entire Lens Cap 40mm research process ourselves, which is why we have put together a comprehensive list of the best Lens Cap 40mms available in the market today.

After hours of searching and using all the models on the market, we have found the best Lens Cap 40mm for 2023. See our ranking below!

How Do You Buy The Best Lens Cap 40mm?

Do you get stressed out thinking about shopping for a great Lens Cap 40mm? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Lens Cap 40mm, which is why we have assembled a comprehensive list of the greatest Lens Cap 40mm available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Lens Cap 40mm that you consider buying. Your questions might include the following:

  • Is it worth buying an Lens Cap 40mm?
  • What benefits are there with buying an Lens Cap 40mm?
  • What factors deserve consideration when shopping for an effective Lens Cap 40mm?
  • Why is it crucial to invest in any Lens Cap 40mm, much less the best one?
  • Which Lens Cap 40mm are good in the current market?
  • Where can you find information like this about Lens Cap 40mm?

We’re convinced that you likely have far more questions than just these regarding Lens Cap 40mm, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Lens Cap 40mm, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Lens Cap 40mm. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Lens Cap 40mm buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Lens Cap 40mm currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Lens Cap 40mm has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Lens Cap 40mm?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Lens Cap 40mm.
  5. Customer Ratings: Number ratings grade Lens Cap 40mm objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Lens Cap 40mm.
  7. Product Quality: You don’t always get what you pay for with an Lens Cap 40mm, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Lens Cap 40mm is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Lens Cap 40mm information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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