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from Local Pro Lab Summary: I've read some reviews about this film but went ahead and tried it myself.
What I've found after a few rolls of the stuff is that a person needs to use a heavy red filter to obtain the desired Infrared effect.
At first I just used my B&W red filter and got not much if anything in return.
After purchasing a Hoya R72 things began to happen and I got a substantial boost in the Infrared spectrum.
This filter is so dense you can't see through it and cost about five stops of light, also I personally feel the ISO rating of 200 is a stop over what it should be.
By setting the film ISO at 100 using the Hoya R72 filter and allowing for five stops for the filter factor I've produced some amazing scenic and portraiture images.
I use the Hoya R72 Infrared filter on my 35mm cameras mostly a Nikon FM3a but when using any of my medium format cameras I switch to a filter specifically designed for this film.
Unlike other Infrared films SFX doesn't appear as sensitive to the infrared sprocket counting beam emitted by modern automatic SLR's.
I'll admit I've used SFX in both my Canon SLR cameras and did experience some fogging along the sprocket edge but NOT into the frame.
What it didn't like was the imprinter from my 645N putting frame data along the edge, easily solved by turning it off.
Ilford makes a specific filter for the SFX 200 available in the Cokin "P" series mount and this filter is what I use with my medium format images.
This filter Cat # 191 1176 produces results better then the Hoya R72 and it was only $24.99 Canadian a lot less then the R72 if I remember correctly.
I think some of these reviews are made after the photographer has run a roll or maybe three through their camera and received mixed results for their efforts.
Can't say how many rolls I screwed up before getting quality results however now I know to rate the film at ISO 100 and use an R72 filter and a filter factor of five stops.
Go shoot some you might like it.
Robert from Canada Strengths: This film is great as I can use it as a regular B&W and when a shot cries out for Infrared I can slip a red R72 filter on and make the shot.
Sensitive to red filters so my "normal" B&W red and orange filters produce more dramatic results
It's relatively inexpensive in comparison to some other specialty films I've used
Don't need to load or unload in the dark handles the same as any other slide or negative films
Nice grain as long as you overexpose it a little by setting ISO at 100
Produces pleasing 16x20's and I've got several 20x20's of November storm clouds and surf Weaknesses: Aah? Can't say I found any unless you consider the over rating of the ISO Similar Products Used: I don't believe there are any similar products as this is a near Infrared and Kodak produces an Infrared film.
Konica produces a red sensitive film also but to date I haven't had the pleasure of using any Customer Service: None required
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