These are zoom lenses with long focal range, supporting large 1/1.8-inch (FD32x12.5) and 2/3-inch(FH32x15.6) sensors to deliver full-HD resolution.
They are about 20% smaller in height, compared to previous models, to enable combination with wide range of housing units.
![[photo] Schematic of zoom lens dimensions on side, front, and back of equipment](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-10/e970d5ae81df8bfa3d7b90d49705b2ee/fig_ZoomLenses_08.jpg?ssl=1)
![[photo] Optical extender built in to lens](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-08/0b3bbf1d2042a096611a2fa9f5dcaf6c/pic_ZoomLenses_01.jpg?w=800&ssl=1)
The lens is equipped with a built-in optical extender, which can instantaneously double the focal length at the touch of a button (2,000mm for D60x16.7SR4 Series and 1,500mm for D60x12.5R3DE Series). Unlike an external extender, the built-in design means the position of focus remains unchanged even when the extender is triggered.
Lenses with long focal lengths have a narrow angle of view at the telephoto end. Camera movements due to wind or because of the height of installation position cause image blur, making it difficult to capture subject matter. In order to minimize motion blur under such conditions as much as possible to keep footage stable and clear, Fujinon’s CCTV lenses are fitted with Fujifilm’s original optical anti-vibration function called OS-TECH. A gyro sensor within a lens detects the amount of vibrations, and passes the data to the lens’s microcomputer, which uses a software program to calculate the amount of correction needed and shift the correction lens group to control image shake. The fact that the correction is applied optically with lens elements, means the function has no time lag, and provides anti-vibration effect edge-to-edge across the full-HD screen. During the development stage, special considerations have been paid to durability and reliability through the use of highly reliable bearings in anti-vibration parts.
![[photo] Blurry image of outdoor industrial buildings and equipment compared to a clear image of outdoor industrial buildings and equipment](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-08/4300e7a237ea107a03ab697011790077/pic_ZoomLenses_02.jpg?ssl=1)
![[image] Image of the principle of anti-vibration device](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-08/f62a3898044d4b48befbf1e20469d809/fig_ZoomLenses_01.jpg?ssl=1)
Security camera systems are often used in tough weather conditions. Significant temperature fluctuations could shift the focal plane, resulting in inaccurate focusing. Under such a condition, the Temperature Correction Mechanism uses data from the temperature sensor on a lens, and shifts lens elements into the optimum positions to keep the focal plane constant, thereby offering stable focusing performance even in an environment with large temperature fluctuations.
When strong sunlight prevents the selection of a desirable f-stop value, ND filter can be used to reduce the amount of light with minimizing the decline in resolution caused by smaller aperture. The D60x16.7 series of lenses feature two ND filters in the densities of 1/8 and 1/64.
When used in poor visibility with mist, rain, etc., this filter blocks visible light which scatters in the air to clearly capture images with Near-infrared light.
![[photo] Close-up view of two ND filters in lens](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-08/ba6f71ae31ac74ffb3ca758765fb2298/pic_ZoomLenses_03.jpg?ssl=1)
Security cameras capture images with visible light during the day and use a near-infrared light projector from dusk through night. The use of light with different wavelengths causes a shift in the image-forming location, resulting in blurry images.
Fujinon’s Day & Night Lens features special optical glass elements (Super ED and ED glass elements) to ensure that the image is formed constantly on the same plane, regardless of the change of light sources, to achieve sharpness.
Zoom lenses covering long focal lengths inevitably suffer from “chromatic aberration,” i.e. color bleeding in images. The Super ED glass serves the role of controlling this chromatic aberration. It requires a soft glass material, making it difficult to manufacture. However, with Fujifilm’s outstanding optical technology, the D60x16.7SR4 series feature two large Super ED glass elements to achieve advanced image quality.
![[photo] Adjustable flange focal distance on lens](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-08/f6974a825d2164e009ffb9aea2de3f21/pic_ZoomLenses_04.jpg?ssl=1)
Flange focal distance must be adjusted for individual cameras and lenses in order to accurately match the focal point between a camera and its lens. The FD32x12.5 and FH32x15.6 series allow users to easily and finely adjust the flange focal distance on the lens, using readily-available hex wrenches.
![[logo] Visible Light Cut](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-08/e772360a61a9eb631659e2a6f3777f7b/fig_ZoomLenses_02.jpg?w=800&ssl=1)
When used in poor visibility with mist, rain, etc., this filter blocks visible light to clearly capture images only with linear near-infrared light.
![[photo] Blurry image of grey, snowy hill landscape with decreased visibility compared to enhanced and clear image of snowy hills](https://i0.wp.com/asset.fujifilm.com/www/us/files/2021-02/82f3da1b3250fd4c5c688d5c0580588f/pic_ZoomLenses_10.jpg?ssl=1)
Visible Light Cut Filter OFF
![[photo] Blurry image of grey, snowy hill landscape with decreased visibility compared to enhanced and clear image of snowy hills](https://i0.wp.com/asset.fujifilm.com/www/us/files/2021-02/05ab9cd64f9c69e4ed14c5080245a886/pic_ZoomLenses_11.jpg?ssl=1)
Visible Light Cut Filter ON
Visible light in short wavelengths is prone to diffusion in the presence of airborne particles. However, near-infrared light with longer wavelengths has the characteristic of penetrating air more easily to reach the subject matter. This filter blocks visible light that causes video noise, while passing near-infrared light through to obtain clear images.
![[photo] Sockets on bottom of lens](https://i0.wp.com/asset.fujifilm.com/www/us/files/2019-08/ecddca20eddb1301555a988cddd1f198/pic_ZoomLenses_06.jpg?ssl=1)
These lenses are about 20% smaller in height, compared to previous models, to achieve compatibility with a greater range of security camera housings.
For enhanced stability in installation on a security camera platform, the lenses have a total of eight sockets, i.e. one for fitting a regular tripod and seven M5 sockets, at the base.
The lenses provide both analog and serial (RS232C) interface terminals for user convenience. They support the Pelco-D and C10 (Fujifilm’s own lens control system) protocols.
* See each lens’s wiring diagram for details.
| FD32x12.5SR4A-CV1 | FH32x15.6SR4A-CV1 | ||
|---|---|---|---|
| Sensor size (max.) | 1/1.8" | 2/3" | |
| Focal length (mm) | 12.5 – 400 | 15.6 – 500 | |
| Zoom ratio | 32x | ||
| Mount | C-mount | ||
| Iris range | F3.1 – F16 | F3.9 – F16 | |
| Maximum relative aperture (W/T) | 1：3.1 / 1:5.2 | 1：3.9 / 1:6.5 | |
| M. O. D. （ｍ) | 3 | ||
| Filter | Visible Light Cut | ✔ | |
| Lens control interface | Serial + Analog | ||
| Lens control | Zoom | Speed | |
| Focus | Speed | ||
| Iris | Auto (Video) + Position / Auto (DC) | ||
| Position output | Zoom | ✔ | |
| Focus | ✔ | ||
| Iris | – | ||
| Day & Night | ✔ | ||
| Optical axis adjustment | Option （AA-1) | ||
| Strengthened bottom plate | ✔ | ||
| Back focal distance (in air) (mm) | 22.3 | 9.3 | |
| Flange focal length | 17.526 | ||
| Exit Pupil position（from image plane）(mm) | -99 | -52 | |
| Size (HxWxL) (mm) | 108 x 114 x 251(max. 258) | 108 x 114 x 256(max. 263) | |
| Weight (kg) | 2.8 | 2.9 | |
| Filter thread (mm) | M82 x 0.75mm | ||
| Operating temperature | -10℃- +50℃ | ||
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