SUNTEC 82mm Infrared IR Filter R72 720nm 00576 Start Price USD 62.00 Current Price USD 62.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, November 12, 2008 End Time Friday, December 12, 2008 Location default, default See more about 'SUNTEC 82mm Infrared IR Filter R72 720nm 00576' Description poptradehk Store 新增網頁2 Suntec Infrared Filter R72 IR-720 82mm 　 　　 Suntec Infrared Filter R72 IR-720 82mm x 1pcs 　 We guarantee: 　 Suntec IR-720 is an infrared filter with cut-off wavelength 720nm, which is exactly similar as that of a Hoya R72 Infrared Filter. An infrared filter is a necessary tools for taking Infrared Photography. Our in-house photographer has conducted a field testing with the Suntec Infrared Filter IR-720.  Some samples with Suntec IR-720 have been captured. He has also made a  comparison between Suntec IR-720 and Hoya R72.  Please see below: Samples with Suntec IR-720 at  Tokyo , Japan Exclusive Comparison between Suntec IR-720 and Hoya R72 　 Equipment: 1. Nikon D70 + 18-70mm Lens 2. Suntec IR-720 67mm Filter 3. Hoya R72 67mm Filter 4. A bundle of grass at the field Testing Methodology: Steps: 1. Put on the Suntec IR-720 2. Customize the White Balance with the bundle of grass at settings ISO400, F3.5, 1/8s  3. Take a shot with settings ISO400, F4, 1/5s 1. Put on the Hoya R72 2. Customize the White Balance with the bundle of grass with same settings ISO400, F3.5, 1/8s 3. Take a shot with same settings ISO400, F4, 1/5s 　 　 Above 2 Pictures are taken with different Infrared filter but same camera + lens and same settings (Click to Enlarge) 　 The 2 Pictures are retouched by same method, Photoshop - Channel Mixer (Click to Enlarge) Findings: Hoya R72 seems to give a a little bit brighter output. But other than this aspect, the picutres taken with both Suntec and Hoya filters do not have significant differences. ~  END ~ Place a Bid!