#25 vs. #29 Red Filters

[PeteScherm@xxxxxxx]

 George Smyth has said:  " I have seen
very little difference between the #25 and #29 filter, so I save the speed and
shoot with a #25 when not going opaque."

After several years of using the #29 filter with non-IR films - Plus-X and 
TechPan and SFX-200, I'm beginning to come around to the same conclusions.  
For nearly all of my outdoor shoots in Ireland, I have been using the #29, 
and even for some close-up stonework.  But there have been times when I (for 
various reasons) used my back-up #25 instead.  Once I get back home, I've 
found very little difference.  Of course, for me, the speed thing is rarely 
important (tripod, MLU, cable release - inanimate subjects).  However, if I 
lose, break or scratch my #29, I may not replace it,,,,just use the #25.  But 
for IR, I'll stick to the #87.


Pete Schermerhorn, in the glorious Berkshire hills of western Massachusetts
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