The T number guiding the actual amount of light transmission is marked on the lens to film much precisely. This lens shows an exceptional optical performance especially in light transmission. Optical construction of Samyang 7.5mm T3.8 Cine UMC Fish-eye features 9 lenses in 7groups. A glass aspherical lens(ASP) is included among lenses to deliver high image quality and contrast throughout center and corner of image even when aperture is fully opened.
It is appropriate for deep depth of focus films and the minimum focusing distance is 0.09m. It is highly portable with 195g of light-weight.
A focus gear ring is installed for follow focus system and uncoupled aperture gear ring works quietly and smoothly during shooting for precise operation. The lens operates in manual aperture system with low T-number which enables natural shooting under various light exposure circumstances.
There are 6 aperture blades designed to be almost as a full circle when aperture is closed which expresses starlike ray clearly and beautifully. The frame of the lens is compact and solid since it is made of high-strength aluminum alloy. Trustworthy images can be captured even under inferior environment. Also, Ultra Multi Coating(UMC) system of Samyang Optics is used to minimize flare and ghost and non-detachable petal-shaped lens hood prevents unnecessary lights. Samyang 7.5mm T3.8 Cine UMC Fish-eye lens is a good choice for users with MFT cameras in need of fish-eye video lens.