Professional Cinematic proceeding and precise mechanism control forming "muscle memory" for professional operation and moving to a upper step of art in filming. Minimal Breathing Near zero breathing, allowing for decent expression through images. DZOFILM linglung provides users with a high standard and a better experience of lens. Elaborate Optical Design Create A Stronger Cinematic FeelingNature Smooth and creamy bokeh with clear layer and natural transition. 12-Pieces 12-Pieces blade design, generating elegant and round bokeh. Faithful Neutral and natural style objectively reflect the true color of complexion. Parfocal design, focus remain the same Even zoom in or zoom out No matter from close-up to wide shot or rapidly zoom out to long shot, Under parfocal design, focus keep unchanged all the way along and offer a stage for creative play