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Fisheye lens FI series FI-085/111-FI-085/111
Fisheye lens FI series FI-085/111-Fit Co., Ltd.

Fisheye lens FI series FI-085/111
Fit Co., Ltd.


About This Product

With this lens, you can change the projection method by replacing only the front group. As we receive many inquiries about the projection method for fisheye lenses, we have created a lens that will explain the projection method below and allow you to see the difference in real shots.

■Orthographic projection

It is an image that is the projection of a figure on a hemisphere onto a plane. A feature of this projection method is that there is no reduction in peripheral illumination (brightness is uniform between the center and periphery of the screen).

■Equidistant projection

As you can see from the diagram, equidistant means that the pitches of the concentric circles are equally spaced.

■Stereoscopic projection

In stereoscopic projection, peripheral images are magnified four times compared to the central image. This projection method is similar to human vision, and can be said to be a psychological spatial image in which the sun and moon appear larger as they approach the horizon. Also, as you can see from the figure, in other projection methods the image is deformed as it goes to sy, but in this projection method it is not deformed.

■Equisolid angle projection

A projection in which the area of ​​the image is proportional to the solid angle. In other words, since the solid angle can be determined from the area of ​​the image, it is used for measuring cloud cover and obtaining position information for robots, etc.

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    Fisheye lens FI series FI-085/111

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1 Models of Fisheye lens FI series FI-085/111

Image Part Number Price (excluding tax) Angle of view Focal length Lens total length Mount Image circle F value
Fisheye lens FI series FI-085/111-Part Number-FI-085/111

FI-085/111

Available upon quote

Stereoscopic projection: 185°
Equidistant projection: 185°

Stereoscopic projection: 0.8558mm
Equidistant projection: 1.1133mm

Stereoscopic projection: 60.02mm
Equidistant projection: 60.03mm

Stereoscopic projection: C-mount
Equidistant projection: C-mount

Stereo projection: 3.5922mm
Equidistant projection: 3.579mm

Stereo projection: 2.8
Equidistant projection: 2.8

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