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Sold by: Breakthrough Photography, LLC
Sold by: Breakthrough Photography, LLC
(3488 ratings)
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X4 CPL 77mm Circular Polarizer Filter - Schott B270 - MRC16 - Nano Coating - Weather Sealed - 25 Year Support by Breakthrough Photography

4.4 4.4 out of 5 stars 284 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Camera Lens Polarizing Filters by Breakthrough Photography

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X4 CPL

Purchase options and add-ons

Brand Breakthrough Photography
Material X4 CPL
Photo Filter Thread Size 77 Millimeters
Coating Description Nano Coating
Photo Filter Effect Type Polarizer, Ultraviolet
Water Resistance Level Not Water Resistant
Product Dimensions 3.03"L x 3.03"W

About this item

  • WORLDS MOST COLOR NEUTRAL POLARIZER, GUARANTEED: A perfectly flat transmission curve would yield a perfectly color neutral result, and while there is no such thing as a perfectly neutral CPL filter (contrary to what other filter makers may claim) the X4 CPL is the most color neutral any CPL filter, guaranteed.
  • WORLDS MOST ADVANCED POLARIZER: All commercially available CPL filters exhibit a yellow cast due to a gradual transmission increase starting around 600nm and then spiking at 650nm onward into IR. With our X4 CPL film we achieved a gradual transmission decrease from 600nm onward, and instead of spiking uncontrollably near 650nm and far into infrared, the X4 CPL sees very controlled transmission into IR, without the curve spike. Result: Warm and lively images without the apparent colorcast.
  • X4 CPL (CIRCULAR POLARIZER) FILTER: The X4 CPL features SCHOTT Superwhite B270(R) optical glass, which is an ultra clear crown glass. It is produced by melting high purity raw materials and then made using the continuous draw process. The result is excellent transmission in the ultraviolet, visible, and infrared spectrums, and a high surface quality that accepts our state-of-the-art MRC and nanotec(R) coatings exceptionally well.
  • FITMENT: This CPL filter is compatible with all 77mm camera lenses. Your lens thread size will be printed underneath your lens cap or written somewhere on the lens barrel. Make sure you order the correct size otherwise it will not fit your lens.
  • 25 YEARS SUPPORT: We stand behind every CPL filter we make with our 25 Year Ironclad Guarantee. Every X4 CPL filter has a unique serial number laser engraved onto the interior frame. When you activate your 25 Year Ironclad Guarantee, we assign this serial number to you, so any future discussions on this unique filter are tracked, issues recorded and all that stuff which goes into future product design.

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Product Description

The Next Evolution of the CPL

The X4 CPL and the X4 Dark CPL filters are engineered to be the sharpest and most color neutral polarizers on the market.

Featuring our internally developed CPL film, state-of-the-art coatings and a precision machined brass traction frame, the X4 delivers unparalleled performance and durability.

NewX4CPL graphic1

World’s most color neutral CPL.

The X4 CPL features ultra-clear SCHOTT B270 optical crown glass made with the highest purity raw materials and our cutting edge MRC16 and Nano Coatings technology.

At the core of the X4 is our all-new, internally designed CPL film made in the USA. While most manufacturers use off-the-shelf polarizing films intended for LCD panels, we developed a unique approach specifically for precision optics.

The result is an incredibly sharp, color neutral CPL with the highest light transmission of any available polarizer.

New X4CPL 2
New X4 CPL

The all-new X4 CPL has 4 Polarizer Guide Symbols (aka “CPL Guides”) on the outside of the filter frame:

HOW IT WORKS:

STEP 1: Look through the viewfinder and polarize the scene to the desired amount.

STEP 2: Note the position of the filter by observing which symbol is on the frame.

STEP 3: Rotate filter back to the same symbol as you switch from horizontal to vertical compositions

New X4 CPL 3

A winning design proven by outdoor photographers.

We engineer every one of our filters to withstand a lifetime of use in extreme wind, salt water, dust and any other abrasive elements found in nature.

The X4 CPL filter is precision machined from high-quality brass with our signature traction frame.

Our rugged design was developed for durability and to make it easy to securely attach and remove the filter - even with gloves in cold conditions.

Our team spent years developing each aspect of the filter to maintain optical performance and reliable function for a lifetime of use.

Support ICON

Nanocoatings ICON

Weather seal ICON

25 YEAR SUPPORT

We stand behind each filter with our 25 Year Support and US-based phone, email and live chat.

NANO-COATING

Each filter incorporates our state-of-the-art Nano Coating technology which repels dirt, water and other debris by beading up on the surface rather than absorbing and smearing.

WEATHER-SEALED

Our X4 CPL filters are designed to hold up for years of regular use in the field. Each filter is weather-sealed and can withstand extreme wind, salt water, dust and other abrasive elements and conditions.

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X4 CPL 77mm Circular Polarizer Filter - Schott B270 - MRC16 - Nano Coating - Weather Sealed - 25 Year Support by Breakthrough Photography
X4 CPL 77mm Circular Polarizer Filter - Schott B270 - MRC16 - Nano Coating - Weather Sealed - 25 Year Support by Breakthrough Photography
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Price$149.00$119.00$206.66$105.24$99.99$56.99
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Picture quality
4.6
4.5
5.0
5.0
4.6
For landscape photography
4.8
5.0
5.0
3.2
Quality of material
4.7
5.0
5.0
Value for money
4.2
4.4
2.6
Sold By
Breakthrough Photography, LLC
Urth US
Amazon.com
Amazon.com
K&F Concept
K&F Concept
thread size
77 millimeters
77 millimeters
77 millimeters
77 millimeters
77 millimeters
77 millimeters
photo filter effect
Ultraviolet, Polarizer
Polarizer
Polarizer
Polarizer
Polarizer
Polarizer
material
X4 CPL
Glass
Optical Glass, Brass
Brass, Optical Glass
Glass
water resistance
not water resistant
water resistant
water resistant
water resistant
waterproof
waterproof

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

Feedback

X4

X4 CPL 77mm Circular Polarizer Filter - Schott B270 - MRC16 - Nano Coating - Weather Sealed - 25 Year Support by Breakthrough Photography


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Customer reviews

4.4 out of 5 stars
4.4 out of 5
284 global ratings

Customers say

Customers like the image quality, ease of use, and appearance of the camera lens filters. For example, they mention that it captures the highest level of sharpness, maintains color integrity, and has a true color rendition. That said, opinions are mixed on performance and value.

AI-generated from the text of customer reviews

50 customers mention50 positive0 negative

Customers are satisfied with the quality of the filter. They mention that the construction is nice, the physical characteristics of the product are high quality, and the glass is good quality. The filter is sturdy, fits perfectly, and enhances all lenses. Customers also say that it is well-designed and thoroughly thought out, and will last a long time.

"...Overall, I would say this is a well-designed and thoroughly though out product." Read more

"...in the ultraviolet, visible, and infrared spectrums, and a high surface quality that accepts our state-of-the-art MRC and nanotec® coatings..." Read more

"...Production quality: Both filters are quality products, but the X4 wins here again...." Read more

"...Beyond that, the construction is nice, and it rotates smoothly...." Read more

28 customers mention28 positive0 negative

Customers are satisfied with the filter. They mention it's one of the finest polarizing filters on the market, and the absolute best circular polarizer they have found. The filter looks and works great, and is amazing in quality.

"...No color cast.No vignetting.Images stay sharp.Excellent, SUPERIOR quality.***..." Read more

"...Great filter!!And on top of all this.. their customer service is first class...." Read more

"...The filter was used on one outing so far, and the polarizing effect was perfect. Not too much, no dark sectors...." Read more

"This is a great lens polarizing filter...." Read more

17 customers mention14 positive3 negative

Customers find the camera lens filter easy to use. They mention it's easy to mount on and off a lens, with a ribbed edge for easy installation and removal. The filter is also thin and easy to handle.

"...I like the fact that the part you rotate is wide because it is easy to feel it. The motion is quite smooth and has a reasonable amount of friction...." Read more

"...The grip portion of the X4 sticks out much further and it easier to screw on and off as a result...." Read more

"...the turning ring at a slightly smaller diameter, so it's easy to feel which is which and also easier to grip the mounting ring when you need to...." Read more

"...I have also found it easier to take off this filter due to the deep ridges around the frame...." Read more

14 customers mention14 positive0 negative

Customers like the appearance of the filter. They say it has a beautiful design and is easy to use. Customers also appreciate the true color rendition, saying there is no greenish color cast. They also say the filter works well without any color cast and improves color saturation.

"...No color cast.No vignetting.Images stay sharp.Excellent, SUPERIOR quality.***..." Read more

"...is able to capture the highest level of sharpness while maintaining perfectly neutral colors...." Read more

"...And WOW! I was amazed how true the color capture was, and how sharp images are with the Breakthrough X4 CPL. I didn't have to do any..." Read more

"...the shot and wow the colors pop and most importantly the colors are accurate. Can't wait to try their ND filters" Read more

13 customers mention13 positive0 negative

Customers are satisfied with the image quality of the filter. They mention that it captures the highest level of sharpness while maintaining perfectly. Some say that the filter is beautiful, durable, and sharp. Overall, most are happy with the product and its ability to produce high-quality images.

"...No color cast.No vignetting.Images stay sharp.Excellent, SUPERIOR quality.***..." Read more

"...They are both spot on and do not appear to affect sharpness in the least.Colors: The Gobe definitely shoots "warmer" than the X4...." Read more

"Excellent construction and image quality. Be extremely careful when screwing, it may get stuck because it is very thin. Sorry for my English :) bye" Read more

"...Not a mark on it. This thing is tough as nails. The image quality is superb...." Read more

7 customers mention7 positive0 negative

Customers are satisfied with the reflection of the filter. They mention that it improves the contrast of the image by eliminating stray light. They also say that the filters are very effective in removing glare, improving color saturation, and reducing water and glass reflections. Customers also say the filters transmit more light, allowing for a 1 stop exposure reduction.

"...The reduction of reflections also improves the contrast of the image by elimination of stray light. The real world result?..." Read more

"...Polarization: Both filters were very effective in removing glare in my tests. I could not find a significant difference between the two...." Read more

"...But good enough in sun light situations where it purpose really seems to shineIt's going in my camera bag for now" Read more

"...With the filter the darkening or lightening of the sky was really nice and I am sure I will be equally satisfied when I use it for water photos...." Read more

19 customers mention9 positive10 negative

Customers are mixed about the value of the camera lens filter. Some mention it's a great low cost repair offering, while others say it'd be a waste of money.

"...Final opinion: The X4 is the better product but, for me, it is not worth the extra $100 that I could instead spend on adding ND filters to my..." Read more

"...if like me, you drop one and break the glass they have a great low cost repair offering...." Read more

"...maybe a tiny bit less build quality, so this just feels like not a great monetary value and I'm left less than enthralled and feeling a substantial..." Read more

"...Not too much, no dark sectors. The clouds and sky popped quite nicely on a very humid day in New York's Catskills...." Read more

9 customers mention6 positive3 negative

Customers are mixed about the performance of the camera lens filter. Some mention that it has performed excellent, outstanding, and amazing. However, others say that it is far less effective than what it should be, not very efficient, and challenging to use.

"...Photography, and all of them have been great quality, outstanding performers...." Read more

"...polarizing characteristics, only a linear kind making it far less effective than what it should be...." Read more

"...are on the fence I can certainly testify that this product has performed excellent. I highly recommend it." Read more

"Works great on my Canon EOS 5D Mark II with Canon 16-35mm f4.0 L Lens...." Read more

Really good with cars on a sunny day
4 Stars
Really good with cars on a sunny day
This filter filters out about one stop of light by defaultI first tested ,this lens using LED lighting with product photography. specifically, I shot the watch case back with some extreme light reflection to see how much of the reflection the filter could removeIn this test my first impression was kind of disappointingHow ever, my second test was shooting my kids car on a bright sunny day , and the filter was much more impressiveI got this filter for my watch YouTube channel , and for that the benefit is very marginal, however for Car photography I can see how this lens would be next level specially at outdoor car shows / events where lighting and reflection will be super harshI can see performing super well in street photography as wellI’ve deviced to keep this filter and continue to work with itThe product is much better than I first expected even if not as useful for the particular job I wanted it forBut good enough in sun light situations where it purpose really seems to shineIt's going in my camera bag for now
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Top reviews from the United States

Reviewed in the United States on March 7, 2024
Size: 77mm CircularStyle: X4 CPLVerified Purchase
Reviewed in the United States on January 4, 2020
Size: 77mm CircularStyle: X4 CPLVerified Purchase
4 people found this helpful
Report
Reviewed in the United States on January 1, 2018
Size: 82mm CircularStyle: X4 CPLVerified Purchase
Customer image
5.0 out of 5 stars Gobe 3 Peak (Schott) vs Breakthrough Photography X4
Reviewed in the United States on January 1, 2018
TL;DR: X4 if you have the money or NEED the best. Gobe if you're willing to correct white balance in post.

After recently deciding to buy a CPL for my camera, I whittled the available options down to two -- Gobe 3 Peak (Schott), and Breakthrough Photography X4.

On paper, the Gobe has the same specifications as the X4: Schott B270 Glass and 16 layers of coating.

The X4 boasts that it's coatings are unlike any other, and that it is able to capture the highest level of sharpness while maintaining perfectly neutral colors. Many comparisons have shown that the X4 is top dog against all the major players. However, I could not find a direct comparison against Gobe and hence decided to give both of them a shot myself.

Sharpness: I could not find any significant difference in sharpness between the Gobe and the X4. They are both spot on and do not appear to affect sharpness in the least.

Colors: The Gobe definitely shoots "warmer" than the X4. The X4 comes out neutral as advertised. If you seeking out-of-camera accuracy, the X4 wins hands down. However, the Gobe is only SLIGHTLY off, and it can be corrected in a single Spot White Balance click in your post processor of choice. Since most serious photographs will do some amount of post processing anyway, this is not a huge deal. I don't think the average amateur would even notice the difference without a side by side comparison, anyway.

Polarization: Both filters were very effective in removing glare in my tests. I could not find a significant difference between the two.

Production quality: Both filters are quality products, but the X4 wins here again. The grip portion of the X4 sticks out much further and it easier to screw on and off as a result. The Gobe is much more likely to get stuck on a lens with its design.

Extras: The packaging of the X4 was surprisingly hard to open and seems that they tried too hard to make it seem "nice". The amount of jostling that it took to separate the box parts was excessive considering that there is a $160 piece of glass inside it. Gobe on the other hand uses modest packaging and also plants trees with the money they make from their products.

Final opinion: The X4 is the better product but, for me, it is not worth the extra $100 that I could instead spend on adding ND filters to my collection. If money is no object or you demand the best, get the X4. If you don't mind a touch of white balance correction and a slightly lesser product in general, get the Gobe.

I have included some pictures of my tests. In all pictures, the order is: No filter, Gobe, X4. The car is demonstrating the polarization, and the text is a 100% crop to compare the sharpness.
Images in this review
Customer image Customer image
Customer imageCustomer image
117 people found this helpful
Report
Reviewed in the United States on February 28, 2024
Size: 82mm CircularStyle: X4 CPLVerified Purchase

Top reviews from other countries

Mike Milton
5.0 out of 5 stars Great filter, well made
Reviewed in Canada on February 1, 2024
Size: 95mm CircularStyle: X4 CPLVerified Purchase
maurice byatt
5.0 out of 5 stars Exceeded expectations in colour neutrality
Reviewed in Canada on May 2, 2022
Size: 58mm CircularStyle: X4 CPLVerified Purchase
A. J. Lock
5.0 out of 5 stars The best filters I have used
Reviewed in the United Kingdom on May 10, 2021
Size: 77mm CircularStyle: X4 CPLVerified Purchase
Brian C
5.0 out of 5 stars Excellent Quality in a superb build
Reviewed in the United Kingdom on April 26, 2021
Size: 77mm CircularStyle: X4 CPLVerified Purchase