Olympus E.Zuiko Auto-T 150mm f4 Aperture: f5.6@‘S‘Μ‘œA’†‰›E‰E’[EΆ‰Ί’[‚ΜŠg‘ε‘œ‚̏‡‚Ι•\Ž¦ –Kenko PRO ND-4 FilterŽg—p