Changchun Zhongyou Precision Zoom Optics

PRECISION ELECTRO-OPTICS

Long-range zoom optics, engineered around your imaging mission.

Professional visible, near-infrared and short-wave infrared lenses for surveillance, inspection and integrated electro-optical systems.

3
Spectral families
30–120 mm
Aperture range
Up to 1800 mm
Maximum focal length
120 mm platformEngineering reference
Changchun Zhongyou long-range zoom lens engineering drawing
LONG-RANGE ZOOMStable imaging across demanding focal ranges

SPECTRAL CAPABILITY

Choose the band that reveals the information you need.

Each spectral family is developed for a distinct combination of illumination, target characteristics and detection task.

ENGINEERING-LED SELECTION

From mission requirements to an optical configuration.

Use the catalog to compare aperture and focal length, then confirm sensor format, field of view and integration constraints with our engineering team.

Browse the complete product center
  1. 01
    Define the scene

    Working distance, target size, illumination and recognition objective.

  2. 02
    Select the spectral band

    Visible, near-infrared or SWIR according to the information required.

  3. 03
    Verify the optical envelope

    Aperture, focal range, image format and system integration.

OPTICAL EVALUATION TOOL

Evaluate key lens and sensor parameters online.

The calculator preserves the proven production calculation behavior while providing a direct English interface for desktop and mobile use.

Launch Calculator

DISCUSS YOUR REQUIREMENTS

Need help selecting a lens?

Zoom lens selection assistant:[Zoom lens evaluation calculator]

Scan the QR code to open the mobile version of the online calculator

Scan the QR code to open the Changchun Zhongyou Optoelectronics mobile version online calculator
Changchun Zhongyou zoom lens simulation calculator

4K zoom lens design evaluation and optical parameter calculator [PC web version 1.0]

Contact person: Dong You 13331697285 (WeChat)
Email: 312282332@qq.com
Product selection:www.cczhongyou.com
Lens parameter calculator
Sensor parameter calculator
Lens Detection Capability [Target Resolution] Calculator
Visible light zoom lens evaluation calculator

design constraints

  • 4 ≤ focal length ÷ aperture ≤ 15
  • Telephoto focal length range: 200-1800mm
  • Pixel size range: 1.5-6μm
  • Lens diameter range: 40-120mm
  • Image sensor format size: ≤24mm
User Notice
1 Applicable objects:Extremely lightweight zoom lens parameter evaluation
2 Efficient and reliable:Result in seconds, deviation <10%
3 Clarity:No color difference 4K Ten million pixel resolution
4 Spectral range:Coverage400-1100nm
5 Caliber range:40-120mm[optional]
6 Telephoto focal length:200-1800mm[optional]
7 Like yuan specifications:1.5-6 micron [optional]
8 Zoom ratio rules:≤1/2 caliber [adjustable]
9 Telephoto rules:≤Caliber diameter×15
10 Caliber rules:Telephoto focal length÷diameter≥4
11 Image sensor format specifications:≤24 mm
12 Exclusive statement:Only suitable for our company’s technical system
13 Optical size:1″=16mm, 18mm[<1/2″]

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Military pan/tilt turntable

High power infrared laser lighting PTZ camera

Visible light series:

Visible light: 30 mm diameter series 13× zoom

Visible light: 30 mm diameter series 13× zoom

30 mm diameter: f9-120mm focal length 2K resolution 13× zoom lens
30 mm diameter: f11-150mm focal length 2K resolution 13× zoom lens
30 mm diameter: f15-200mm focal length 2K resolution 13× zoom lens

Visible light: 40 mm diameter series 20× zoom

Visible light: 40 mm diameter series 20× zoom

40 mm diameter: f15-300mm focal length 1200 × ten thousand pixels zoom lens
40 mm diameter: f20-400mm focal length 1200 × ten thousand pixels zoom lens
40 mm diameter: f25-500mm focal length 1200 × ten thousand pixels zoom lens
40 mm diameter: f30-600mm focal length 1200 × ten thousand pixels zoom lens​

Visible light: 50 mm diameter series 30× zoom

Visible light: 50 mm diameter series 30× zoom

50 mm diameter: f8-240mm focal length 4K resolution 30× zoom lens
50 mm diameter: f10-300mm focal length 4K resolution 30× zoom lens
50 mm diameter: f14-420mm focal length 4K resolution 30× zoom lens
50 mm diameter: f16.7-500mm focal length 4K resolution 30× zoom lens
50 mm diameter: f20-600mm focal length 4K resolution 30× zoom lens

Visible light: 70 mm diameter series 60× zoom

Visible light: 70 mm diameter series 60× zoom

70 mm diameter: f10-600mm focal length 4K resolution 60× zoom lens
70 mm diameter: f11-660mm focal length 4K resolution 60× zoom lens
70 mm diameter: f13.3-800mm focal length 4K resolution 60× zoom lens
70 mm diameter: f16.7-1000mm focal length 4K resolution 60× zoom lens​
70 mm diameter: f20-1200mm focal length 4K resolution 60× zoom lens

Visible light: 120 mm diameter series 48× zoom

Visible light: 120 mm diameter series 48× zoom

120 mm diameter: f25-1200mm focal length 4K resolution 48× zoom lens
120 mm diameter: f31-1500mm focal length 4K resolution 48× zoom lens
120 mm diameter: f37.5-1800mm focal length 4K resolution 48× zoom lens

Near-infrared series:

Near-infrared: 40 mm diameter series 20× zoom

Near-infrared: 40 mm diameter series 20× zoom

40 mm diameter: f15-300mm focal length 1200 × ten thousand pixels zoom lens
40 mm diameter: f20-400mm focal length 1200 × ten thousand pixels zoom lens
40 mm diameter: f25-500mm focal length 1200 × ten thousand pixels zoom lens
40 mm diameter: f30-600mm focal length 1200 × ten thousand pixels zoom lens

Near-infrared: 50 mm diameter series 30× zoom

Near-infrared: 50 mm diameter series 30× zoom

50 mm diameter: f8-240mm focal length 4K resolution 30× zoom lens
50 mm diameter: f10-300mm focal length 4K resolution 30× zoom lens​
50 mm diameter: f14-420mm focal length 4K resolution 30× zoom lens
50 mm diameter: f16.7-500mm focal length 4K resolution 30× zoom lens
50 mm diameter: f20-600mm focal length 4K resolution 30× zoom lens​

Near-infrared: 70 mm diameter series 60× zoom

Near-infrared: 70 mm diameter series 60× zoom

70 mm diameter: f10-600mm focal length 4K resolution 60× zoom lens​
70 mm diameter: f11-660mm focal length 4K resolution 60× zoom lens
70 mm diameter: f13.3-800mm focal length 4K resolution 60× zoom lens​
70 mm diameter: f16.7-1000mm focal length 4K resolution 60× zoom lens​
70 mm diameter: f20-1200mm focal length 4K resolution 60× zoom lens​

Near-infrared: 120 mm diameter series 48× zoom

Near-infrared: 120 mm diameter series 48× zoom

120 mm diameter: f25-1200mm focal length 4K resolution 48× zoom lens
120 mm diameter: f31-1500mm focal length 4K resolution 48× zoom lens
120 mm diameter: f37.5-1800mm focal length 4K resolution 48× zoom lens

Short-wave infrared series:

Short-wave infrared: 40 mm diameter 20× zoom

Short-wave infrared: 40 mm diameter 20× zoom

40 mm diameter: f6-120mm focal length 200 × ten thousand pixels zoom lens​
40 mm diameter: f15-300mm focal length 200 × ten thousand pixels zoom lens​
40 mm diameter: f20-400mm focal length 200 × ten thousand pixels zoom lens​
40 mm diameter: f25-500mm focal length 200 × ten thousand pixels zoom lens
40 mm diameter: f30-600mm focal length 200 × ten thousand pixels zoom lens

Short-wave infrared: 50 mm diameter 30× zoom

Short-wave infrared: 50 mm diameter 30× zoom

50 mm diameter: f10-300mm 200 × ten thousand pixels zoom lens​
50 mm diameter: f14-420mm 200 × ten thousand pixels zoom lens​
50 mm diameter: f16.7-500mm 200 × ten thousand pixels zoom lens​

Short-wave infrared: 70 mm diameter 60× zoom

Short-wave infrared: 70 mm diameter 60× zoom

70 mm diameter: f10-600mm 200 × ten thousand pixels zoom lens

Short-wave infrared: 120 mm diameter 48× zoom

Short-wave infrared: 120 mm diameter 48× zoom

120 mm diameter: f25-1200mm focal length 200 × ten thousand pixels 48× zoom lens
120 mm diameter: f31-1500mm focal length 200 × ten thousand pixels 48× zoom lens
120 mm diameter: f37.5-1800mm focal length 200 × ten thousand pixels 48× zoom lens