Kase IR720 Infrared Filter
A review of the Kase IR720 720 nm high-pass infrared filter. Shooting infrared in the winter, fixing hot spots, and the challenges in shooting with infrared with some unconverted cameras.
Video
Kase IR720 on Converted Camera
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/300 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-DkK9b3R/0/40aa7cb9/M/i-DkK9b3R-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/280 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-Fxbsvtj/0/4a4b95cc/M/i-Fxbsvtj-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/280 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-MxBj5Qq/0/1cafbc6a/M/i-MxBj5Qq-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/240 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-f2dNHqJ/0/eb2aea17/M/i-f2dNHqJ-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/220 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-HFBTKZ6/0/65d47630/M/i-HFBTKZ6-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/55 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-L3hMM6Z/0/1bbe7af7/M/i-L3hMM6Z-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/350 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-CCWFn7G/0/7a6dc15c/M/i-CCWFn7G-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/140 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-hCTj7Hk/0/2c6e9804/M/i-hCTj7Hk-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/850 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-x34RMMS/0/846956ea/M/i-x34RMMS-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/125 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-WgFpxRk/0/ac5afa29/M/i-WgFpxRk-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/210 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-nqRLRhM/0/ee5c3125/M/i-nqRLRhM-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/125 second, Profile: B&W 04](https://photos.smugmug.com/photos/i-ZrSGrh8/0/99556c3c/M/i-ZrSGrh8-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/350 second, Profile: B&W 08](https://photos.smugmug.com/photos/i-RDV75mP/0/38cc7914/M/i-RDV75mP-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/30 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-HbP2KjC/0/7e4c3a63/M/i-HbP2KjC-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/125 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-FHWRhNd/0/b238aa97/M/i-FHWRhNd-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 200, f/5.6, 1/450 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-ssfWStv/0/757c9be2/M/i-ssfWStv-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 200, f/5.6, 1/600 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-GRzrxWN/0/23bbdb25/M/i-GRzrxWN-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/280 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-TdMmB5q/0/ee00b991/M/i-TdMmB5q-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/100 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-WjGsxgJ/0/fde62bd5/M/i-WjGsxgJ-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/160 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-wzgxbLW/0/0bd1200d/M/i-wzgxbLW-M.jpg)
![Kase IR720, Fujifilm GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/220 second, Profile: Adobe Monochrome](https://photos.smugmug.com/photos/i-cwGGWQ3/0/e5f45764/M/i-cwGGWQ3-M.jpg)
Kase IR720 on Unconverted Camera
![Kase IR720, Fujifilm X-E1, unconverted, XF23mm f/2, ISO 200, f/5.6, 3.2 seconds, Profile: -100 RB G-Split](https://photos.smugmug.com/photos/i-zH5VJ2C/0/f3a5d541/M/i-zH5VJ2C-M.jpg)
![Kase IR720, Fujifilm X-E1, unconverted, XF23mm f/2, ISO 200, f/5.6, 0.7 seconds, Profile: -100 RB G-Split](https://photos.smugmug.com/photos/i-LjR2WND/0/d299d54d/M/i-LjR2WND-M.jpg)
![Kase IR720, Fujifilm X-E1, unconverted, XF23mm f/2, ISO 200, f/5.6, 0.7 seconds, Profile: -100 RB G-Split](https://photos.smugmug.com/photos/i-xkBZqFq/0/98430468/M/i-xkBZqFq-M.jpg)
Hoya R72 & Kase IR720 Comparisons
Fujifilm GFX 50S
![Hoya R72, GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/340 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-z49GDWT/0/4a99d3bd/M/i-z49GDWT-M.jpg)
![Kase IR720, GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/350 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-rkPdGGg/0/14df1a76/M/i-rkPdGGg-M.jpg)
![Hoya R72, GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/280 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-snzzXwq/0/fbd9c6da/M/i-snzzXwq-M.jpg)
![Kase IR720, GFX 50S, full-spectrum, GF45mm f/2.8, ISO 100, f/5.6, 1/240 second, Profile: -50 RB](https://photos.smugmug.com/photos/i-VF8RhPX/0/1d941453/M/i-VF8RhPX-M.jpg)
Fujifilm X-T20
![Hoya R72, Fujifilm X-T20, 590 nm conversion, XF23mm f/2, ISO 200, f/5.6, 1/420 second, Profile: -50 Invert, Temp: 4400, Tint: -93](https://photos.smugmug.com/photos/i-wFSmwj7/0/094fde07/M/i-wFSmwj7-M.jpg)
![Kase IR720, Fujifilm X-T20, 590 nm conversion, XF23mm f/2, ISO 200, f/5.6, 1/420 second, Profile: -50 Invert, Temp: 4400, Tint: -93](https://photos.smugmug.com/photos/i-2ZF88PT/0/96f928e9/M/i-2ZF88PT-M.jpg)
![Hoya R72, Fujifilm X-T20, 590 nm conversion, XF14mm f/2.8, ISO 200, f/5.6, 1/420 second, Profile: -50 Invert, Temp: 4150, Tint: -87](https://photos.smugmug.com/photos/i-DxtfDvW/0/fb6c78b9/M/i-DxtfDvW-M.jpg)
![Kase IR720, Fujifilm X-T20, 590 nm conversion, XF14mm f/2.8, ISO 200, f/5.6, 1/400 second, Profile: -50 Invert, Temp: 4150, Tint: -87](https://photos.smugmug.com/photos/i-5wz6k6d/0/836e5542/M/i-5wz6k6d-M.jpg)
![Hoya R72, Fujifilm X-T20, 590 nm conversion, Nikkor-N Auto 24mm f/2.8, ISO 200, f/5.6, 1/500 second, Profile: -50 Invert, Temp: 4850, Tint: -97](https://photos.smugmug.com/photos/i-hjsgmD5/0/dd7ea41d/M/i-hjsgmD5-M.jpg)
![Kase IR720, Fujifilm X-T20, 590 nm conversion, Nikkor-N Auto 24mm f/2.8, ISO 200, f/5.6, 1/500 second, Profile: -50 Invert, Temp: 4850, Tint: -97](https://photos.smugmug.com/photos/i-ttbsds4/0/3e70f76c/M/i-ttbsds4-M.jpg)
Comments
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