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Polaroid Optics 72mm IR720 Infrared X-Ray Filter

3.6 out of 5 stars 56 customer reviews
| 10 answered questions

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  • Polaroid IR Filter: This Filter Will Filter Out Most Light Below And Above The Wavelength Of 720 Nanometers (Infrared)
  • Add a Unique, Creative, Fun Filter To Your Arsenal For Spectacular Artistic Effects
  • This Filter Can Help You To See Perfectly Through Sunglasses And Dark, Tinted Car Windows And Sometomes Even In Total Darkness
  • IR Filters Used In Conjunction With An IR Sensitive Camera Can Sometimes See Things Completely Invisible To The Human Eye.
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Product Description

Size: 72 mm

The Polaroid IR720 camera filter is so named because it will filter out most light below and above the wavelength of 720 nanometers (Near infrared). The filter blocks most visible light and is therefore very opaque. In addition a cameras auto exposure will not work. It is recommended that a tripod be used in conjunction with this filter because exposure times tend to be quite long. When using this filter, compose your scene first, then attach the filter. Most digital camera sensors are inherently sensitive to infrared wavelengths. To prevent the auto exposure system from miscalculating exposure settings, digital cameras incorporate infrared blockers and special lens coatings. In spite of this, unique variations of uncontrollable focus, improper exposure and hot spots can create spectacular artistic effects.



Polaroid filters continue the brand's long legacy of superior optical solutions. All our filters are carefully formulated to ensure consistent color and accuracy throughout the entire surface of the glass. Why? Consistent color means consistent high quality results. We know that a poorly made filter makes a great lens and camera worthless, that's why the our frame rings are constructed of special alloys that won't expand or contract over time or due to temperature extremes-it's also why we back our filters with an 10 year warranty-because we engineer them to last.

Like all Polaroid optics, Polaroid filters are precision manufactured to the most demanding of tolerances. This ensures consistent high quality results even after years of use.

Product Information

Size:72 mm
Product Dimensions 0.4 x 0.4 x 0.4 inches
Item Weight 0.2 ounces
Shipping Weight 2.4 ounces (View shipping rates and policies)
ASIN B0057GNMLQ
Item model number PLFILIR72072
Customer Reviews
3.6 out of 5 stars 56 customer reviews

3.6 out of 5 stars
Best Sellers Rank #113 in Camera & Photo > Camera & Photo Accessories > Filters & Accessories > Infrared Filters
Date first available at Amazon.com June 22, 2011

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Customer Reviews

Top Customer Reviews

Size: 72 mm Verified Purchase
Had I not (later) found what I believe to be the same exact filters for half the price from Fotga, I would have gone 5 stars. Fits right, works great and is a ton of fun to shoot with. Very nice packaging and obviously high quality. Depending on your camera, the wavelength may be too low or too high (the IR capability of the camera itself is a possible issue), but that would be true of any IR filter. They are on the low end at 720, so some visible light does get through (unlike say, a 950), but sometimes that is preferable to a monochrome IR image. Extremely educational and opens up a lot of creative avenues if you take some time to learn the technique needed. Photoshop or an alternative is absolutely REQUIRED to process the image, so bear that in mind to avoid disappointments. Shoot RAW, post process copies and have fun!
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By Alex on August 22, 2011
Size: 72 mm Verified Purchase
This filter does what it suppose to do - transmits IR and leaves out the rest. The final image is monochrome. In order to see it in b&w, you need to set the camera to monochrome, otherwise, there will be some coloring, depending on your sensor and filters that are set by camera manufacturers. Optical quality is good enough - filter did not introduce any variations or other abnormalities across the field.
Before buying this filter, you need to make sure that your digital camera "sees" the IR - many cameras do not. You can do it by taking a picture of activated TV remote in a dark. If you see the dot - it means that your camera is sensitive to IR.
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Size: 77 mm Verified Purchase
I have used other IR filters before and the vegetation always appears bright. Not with this filter - so much visible light leaks through that I can even auto-focus with the filter on. Grass comes out green ... total waste of money. Not sure why the other reviewers were happy with their purchase - maybe I got a dud?
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Size: 52 mm Verified Purchase
This filter lets in way too much visible light for an infrared filter. When I hold it up to the light in my room I can see right through it. If you set your exposure to capture infrared light the picture ends up blown out (overexposed) because it lets in way too much visible light.
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Size: 37 mm Verified Purchase
Interesting addition to my lens kit. Definitely takes a little skill to use correctly. Do some research on how to get the proper technique. Rule #1: shoot in B+W mode. Color is NOT going to work well, and long exposure times and/ or lots of light is necessary. Cool, fun images await for those who persevere. As for seeing through clothing? Perhaps if they are wearing the right type of synthetic/Rayon type fabric, and hold still long enough for your extended exposure time.
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Size: 52 mm Verified Purchase
I received this filter and took a few sample shots with it, setting my WB as K2500, and pushed to the green end. My cameral, a Fuji XPro 1 is very capable of IR photography. The results were not what I was expecting. First off, even by eye, you can look through the filter, and see quite a bit. I sent the filter back that same day, and ordered a Hoya RM72.

Just finished a hike with the RM72, and did some initial processing to look at them. This is a true IR filter. If you hold it up to your eye, you will hardly be able to see anything through it--it is doing its job of filtering out the visible spectrum...

So, don't be a cheapskate, like me, and order one of these much less expensive filters. Some may work, but this Polaroid Optics is not one of them.
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Size: 58 mm Verified Purchase
This filter blocks almost all visible light so it is difficult to focus accurately, either manually or using autofocus. The red saturated photos can be post processed digitally on the computer to render in black and white. Reminds me of an old Tri-X 400 photo, and enhances contrast greatly. (You could just use a red or orange filter for B&W film and get a similar result.) Does not render foliage as white as did traditional infrared black & white film. I miss using Ektachrome Infrared slide film that rendered foliage red and allowed you to visibly identify pollution sources (algae blooms) in waterways, especially in aerial photographs. This filter is for tripod use (or VERY steady hand shot) only.
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Size: 52 mm Verified Purchase
Unfortunately, the product did not meet expectations. It was a red filter & not an infrared filter. I returned it. I have had the same problems with purchasing Neewer infrared filters so changed to the Polaroid. They have all been disappointing.
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