Suntec
77mm Infrared filter x 1 pcs
(similar product features / characteristics as
Wratten 88A, Wratten 89B,
Hoya R72)
Infrared photography &
Infrared filter
An infrared filter is a filter to block visible light and only pass
infrared light into a camera. It is a necessary
accessory for taking infrared photography.
Choices of
Infrared filter
There are many infrared filters of different brands and different
"cutoff wavelength" in the market. Which one is the best
filter? Actually, there is not one best filter - There is one best
filter for any particular situation. The best filter depends
on the lighting conditions, camera and object being photographed.
Suntec IR-750 is an infrared filter with cut-off wavelength 750nm,
which is exactly similar as a Kodak Wratten 88A. Cutoff wavelength
is a technical terms in infrared photography. Simply,
the larger the Cutoff wavelength the filter features, the lesser the
visible light can be entered into the camera. So a filter with
750nm will produce a more pure infrared picture than does by a 720nm
one.
Technical Specification Comparison:
|
Brand / Model No. |
Hoya RM90 |
Suntec IR-750 |
Kodak Wratten 88A |
Hoya R72
or
Kodak Wratten 89B |
|
Filter Type |
Infrared Filter |
Infrared Filter |
Infrared Filter |
Infrared Filter |
|
Cut-off wavelength |
900nm |
750nm |
750nm |
720nm |
Suntec IR Filter reivew by Mr.
Miloslav
>> http://chemweb.ucc.ie/mpravda/irphoto/Filters/Filters.htm
<<
( Thanks you so much to
Mr.
Miloslav)
Samples by
Suntec IR-750
with a Canon G1:
|
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