I have the rare Kowa 20x wide eyepiece TSE-21WD. Glass is Pristine. FOV is 173ft, which is as good as any 20x binos.
Has the same quality and sharpness as the renown Kowa 30x eyepiece. And fits the same TSN-660 and 600 series. Very nice relaxed view though this eyepiece.
$350 tyd
Has the same quality and sharpness as the renown Kowa 30x eyepiece. And fits the same TSN-660 and 600 series. Very nice relaxed view though this eyepiece.
$350 tyd
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