50-100
I took a look at my binocular collection for signs of a yellowish image, using a flat white projection screen as a reference. The following have a pronounced yellow or yellowish-green image: Russian 20x110 (1994), Soviet 10x80 (circa 1970), Russian 7x30 (1996) and 10x42 (1999) made by KOMZ, Romanian 7x40 (1993) and 10x50 (1996) made by IOR. ................
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