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1/4″ Fisheye Lenses Featured Image
  • 1/4″ Fisheye Lenses
  • 1/4″ Fisheye Lenses
  • 1/4″ Fisheye Lenses

1/4″ Fisheye Lenses

Brief Description:

  • Fisheye Lens for 1/4″ Format Sensor
  • 5 to 8.8 Mega Pixels
  • M8/M12 Mount Lens
  • 0.76mm to 0.99mm Focal Length
  • Up to 205 Degrees HFOV


Products

Product Detail

Product Tags

Model Sensor Format Focal Length(mm) FOV (H*V*D) TTL(mm) IR Filter Aperture Mount Unit Price
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CH3615A-1
1.0mm F2.0 188 Degrees M12 Mount Fisheye Lens for 1/4" Image Sensor
PDF Drawing

Model

CH3615A

Resolution

MP

Chief Ray Angle

<11°

Image Format

1/4″

M.O.D

0.1m~∞

Image Circle

ф4.6mm(V-MAX)

Mount Type

M12*P0.5

EFL

1.0mm

Dimension Figure

ф14.0*L11.72mm

TTL

12.95mm

Lens Structure

4G2P

F/NO.

2.0

IR-Filter
T=50%&IR650±10nm

FFL（M)

1.23mm

Waterproof

IP69

BFL（O)

2.11mm

Weight

—

For Sensor
ASX344/340

Iris Operation

Fixed

F.O.V

Horizontal

188°

Zoom Operation

Fixed

Vertical

144°

Focus Operation

Manual

Diagonal

200°

Operating Temperature

-20°~+85°

TV Distortion

<-139%

Storage Temperature

-20°~+85°

Relative Ill.

>50%
CH1941A
1/4" 0.81mm 5MP 180 Degrees F2.2 M12 Mount Fisheye Lens
PDF Drawing

Model

CH1941A

Resolution

5MP

Chief Ray Angle

<23.8°

Image Format

1/4″

M.O.D

0.1m~∞

Image Circle

ф2.25mm(V-MAX)

Mount Type

M12*P0.5

EFL

0.81mm

Dimension Figure

ф19.40*L9.71mm

TTL

11.40mm

Lens Structure

1G3P

F/NO.

2.2

IR-Filter

Non-IR

FFL（M)

1.69mm

Waterproof

No

BFL（O)

1.80mm

Weight

3.7g

For Sensor

1/4″

Iris Operation

Fixed

F.O.V

Horizontal

180°

Zoom Operation

Fixed

Vertical

136°

Focus Operation

Manual

Diagonal

200°

Operating Temperature

-15°~+65°

TV Distortion

<-139.79%

Storage Temperature

-15°~+65°

Relative Ill.

>98%
CH2504
1/4" 0.76mm 205 Degrees M8 Small Fisheye Lens
PDF Drawing

Model

CH2504A

Resolution

MP

Chief Ray Angle

<13.4°

Image Format

1/4″

M.O.D

0.1m~∞

Image Circle

ф2.0mm(V-MAX)

Mount Type

M8*P0.5

EFL

0.76mm

Dimension Figure

ф16.00*L13.28mm

TTL

14.87mm

Lens Structure

6G

F/NO.

2.2

IR-Filter

Non-IR

FFL（M)

1.59mm

Waterproof

No

BFL（O)

2.52mm

Weight

5.1g

For Sensor

1/4″

Iris Operation

Fixed

F.O.V

Horizontal

205°

Zoom Operation

Fixed

Vertical

205°

Focus Operation

Manual

Diagonal

205°

Operating Temperature

-20° ~+85°

TV Distortion

<-81%

Storage Temperature

-20° ~+85°

Relative Ill.

>98%
CH2504
1/4" 0.76mm 205 Degrees F2.2 M12 Mount Fisheye Lens
PDF Drawing

Model

CH2504B

Resolution

MP

Image Format

1/4″

Chief Ray Angle

<13.4°

Image Circle

ф2.0mm(V-MAX)

M.O.D

0.1m~∞

EFL

0.76mm

Mount Type

M12*P0.5

TTL

14.87mm

Dimension Figure

ф16.00*L13.00mm

F/NO.

2.2

Lens Structure

6G

FFL（M)

1.87mm

IR-Filter

Non-IR

BFL（O)

2.52mm

Waterproof

No

For Sensor

1/4″

Weight

5.2g

F.O.V

Horizontal

205°

Iris Operation

Fixed

Vertical

205°

Zoom Operation

Fixed

Diagonal

205°

Focus Operation

Manual

TV Distortion

<-81%

Operating Temperature

-20° ~+85°

Relative Ill.

>98%

Storage Temperature

-20° ~+85°
CH3631
1/4" 1mm 200 degrees M12 Mount Fisheye Lens
PDF Drawing

Model

CH3631B

Resolution

8.8MP

Chief Ray Angle

<11°

Image Format

1/4″

M.O.D

0.1m~∞

Image Circle

ф4.0mm(MAX)

Mount Type

M12*P0.5

EFL

1.0mm

Dimension Figure

ф14.0*L11.72mm

TTL

12.95mm

Lens Structure

4G2P

F/NO.

2

IR-Filter

Non-IR

FFL（M)

1.23mm

Waterproof

IP69

BFL（O)

2.11mm

Weight

3.2g

For Sensor

AR0144

Iris Operation

Fixed

F.O.V

Horizontal

194°

Zoom Operation

Fixed

Vertical

132°

Focus Operation

Manual

Diagonal

200°

Operating Temperature

-20° ~+85°

TV Distortion

<-139%

Storage Temperature

-20° ~+85°

Relative Ill.

>50%
CH3631
1/4" 1mm 194 Degrees F2 IP67 M12 Fisheye Lens
PDF Drawing

Model

CH3631BD

Resolution

8.8MP

Chief Ray Angle

<11°

Image Format

1/4″

M.O.D

0.1m~∞

Image Circle

ф4.0mm(MAX)

Mount Type

M12*P0.5

EFL

1.0mm

Dimension Figure

ф14.0*L11.72mm

TTL

12.95mm

Lens Structure

4G2P

F/NO.

2

IR-Filter

IR650nm

FFL（M)

1.23mm

Waterproof

IP67

BFL（O)

2.11mm

Weight

3.2g

For Sensor

AR0144

Iris Operation

Fixed

F.O.V

Horizontal

194°

Zoom Operation

Fixed

Vertical

132°

Focus Operation

Manual

Diagonal

200°

Operating Temperature

-20° ~+85°

TV Distortion

<-139%

Storage Temperature

-20° ~+85°

Relative Ill.

>50%

1/4" Series Fisheye Lenses are designed for creating fisheye images on a 1/4" sensor or smaller and offer views of up to 205 degrees.They are excellent for applications as follows:

  • Sports DV camera
  • AR VR monocular imaging and binocular and binocular stitching
  • High-end car
  • UVA
  • Security Monitoring
  • Industry
  • Astronomical Observation
  • Meteorological monitoring
  • Forest Fire Prevention
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When used on a 1/4" sensor, CH2504 will produce a circular image like this →dvwith a 205 degrees view，while CH3631 will form a full horizontal one like this →ergwith a slightly smaller view angle as194 degrees.

Both lenses have their advantages. CH2504 features all glass design mounted in a aluminum housing, which makes it heat resisting. CH3631 is IP69 rated against dust and water,which means it can be used both indoor and outdoor, and its 8.8MP high resolution enable users to get sharp images.

Like all other fisheye lenses, images obtained from the 1/4" series fisheye lens have a barrel distortion where the centre of the frame appears to bulge outwards.However,they provide a large depth of field. The image below was captured by CH2504 (it was compressed as uploaded).

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Comparison between CH2504 and CH3631

CH2504 (1/4")

CH3631(1/4")
Resolution 5MP Resolution 8.8MP
F.O.V 205°205°205° F.O.V 194°132°200°
Image Circle ф2.0mm(V-MAX) Image Circle ф4.0mm(MAX)
TV Distortion <-81% TV Distortion <-139%
Lens Structure 6G Lens Structure 4G2P
Waterproof × Waterproof IP69
Mount Type M8/M12 Mount Type M12
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