Frequently asked questions
What cameras is the 8mm T3.8 Compact HD Fisheye Cine compatible with?
The 8mm T3.8 Compact HD Fisheye Cine is a Canon EF, Nikon F, Sony E mount lens from Rokinon. Use it on cameras that accept that mount.
Is the 8mm T3.8 Compact HD Fisheye Cine a full-frame or crop-sensor lens?
This lens covers APS-C/Four Thirds. That is the image circle it is designed to illuminate, so match it to your camera's sensor format.
What is the focal length of the 8mm T3.8 Compact HD Fisheye Cine?
The 8mm T3.8 Compact HD Fisheye Cine has a focal length of 8mm.It is a cine design.
What is the maximum T-stop of the 8mm T3.8 Compact HD Fisheye Cine?
The 8mm T3.8 Compact HD Fisheye Cine has a maximum T-stop of T3.8. T-stop measures actual light transmission, which is the value cine users use for exposure.
Does the 8mm T3.8 Compact HD Fisheye Cine have autofocus?
The 8mm T3.8 Compact HD Fisheye Cine is a cine lens designed for manual focus, with geared control for follow focus rather than stills-style autofocus.
What filter size does the 8mm T3.8 Compact HD Fisheye Cine use?
The 8mm T3.8 Compact HD Fisheye Cine takes n/a filters. Confirm the thread size if you are using a different mount version of this lens.
What is the minimum focus distance of the 8mm T3.8 Compact HD Fisheye Cine?
The minimum focusing distance is 11.8" (0.3m). That is the closest this lens can focus while remaining sharp.
The Rokinon 8mm T/3.8 Fish Eye HD Cine Lens is a Fisheye lens with a 180° field of view that features a use on cameras and camcorders with a Sony E Mount. This lens provides the signature fisheye distortion on full frame and APS-C sized sensors, without having to add additional optics or post production image processing that can severely degrade image quality. Designed for shooting HD video, it features a silent iris ring for smooth iris pulls and both the focus and iris rings have built-in gears to accommodate follow focus and iris motors. The lens features an internal focus design which keeps the front of the lens from turning as focus is changed.
The optical design consists of 10 elements in 7 groups with 1 aspherical element to deliver a crisp image with minimal chromatic aberrations across the imaging field. The lens has an aperture range of T3.8 to 22, and you can close focus down to 12 inches from the image plane. It features a removable Tulip shaped lens hood.
Specifications
| Specifications | 8mm T3.8 VDSLR UMC Fisheye CS II | |||||||||
| Aperture Range | T3.8 ~ T22 | |||||||||
| Optical Construction | 10 Elements in 7 Groups | |||||||||
| Minimum Focusing Distance | 0.3m (0.98ft) | |||||||||
| Filter Size | - | |||||||||
| Maximum Diameter | 75.0mm | |||||||||
| Mount | Nikon F | Canon EF | Pentax K | Sony A | Canon M | Fujifilm X | Samsung NX | Sony E | MFT | |
| Angle of View | APS-C | 180.0˚ | 167.0˚ | 180.0˚ | 180.0˚ | 167.0˚ | 180.0˚ | 180.0˚ | 180.0˚ | - |
| Four-Thirds (4/3”) | - | - | - | - | - | - | - | - | 139.3˚ | |
| Length (mm) Lens Mount to Front | 72.6mm | 75.1mm | 73.6mm | 74.6mm | 101.0mm | 101.4mm | 93.6mm | 101.1mm | 99.9mm | |
| Weight (g) | 430g | 455g | 415g | 435g | 470g | 530g | 475g | 465g | 450g | |
| Gear | Module | 0.8mm | ||||||||
| A | 7mm | |||||||||
| B | 4mm | |||||||||
| C | 34mm | |||||||||
| D | 8mm | 10.5mm | 9mm | 10mm | 36.4mm | 36.8mm | 29mm | 36.5mm | 35.3mm | |
| Focus Ring Diameter | 73.6mm | |||||||||
| Aperture Ring Diameter | 70.4mm | 73.2mm | ||||||||
MTF Chart
Optical Construction
