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Lenses by Eureca

Eureca offers different special purpose lenses which are produced on demand and according to the needs of the customer. At the moment there are products for applications in the UV as well as pericentric systems for inspection tasks. Design and manufacturing of all lenses is done by Eureca. Are there other specifications required which depart from those of the exemplary systems described below? Do not hesitate to contact us.

The graphics on the right shows the optomechanical design of one of Eureca's lenses. This product also contains components by Edmund Optics.


UV-Lenses (Quarz)

  • Compact lenses made of Quarz elements
  • Bandpass filter (FWHM 10 nm) included
  • Apertures (F-Stop) from 2.8 (fixed settings)
  • Lens mount: C
  • Custom modifications on request
  • Designed and manufactured by Eureca

These lenses are antireflection coated for the wavelength range from 250 nm to 400 nm by default. Depending on the further requirements, using the uncoated systems within the transmission boundaries of the substrate is possible (approx. 190 nm to 2.1 µm). Please specify the required center wavelength and working distance, along with the requested effective f-stop and the sensor format. The suitability of the lenses for the application will then be checked individually. These lenses are not color corrected, the indicated FWHM represents the recommended bandwidth. The typical transmission of the bandpass filter supplied with the lens is 75 %. Further technical data are available on request.

Name Focal Length [mm] F-Stop Eff. F-Stop Distortion [%] Sensor Diameter [mm] Working Distance [mm] FWHM [nm]
EL-UV-002-C 22 2.8 3.0 -1.6 9 300 10
Designation Focal
Length
[mm]
F-Stop Eff.
F-Stop
Distor-
tion
[%]
Sensor
Diameter
[mm]
Working
Distance
[mm]
FWHM
[nm]
EL-UV-001-000-C 22 2.8 3.0 -1.6 9 300 10
Stand der Tabelle: 07.11.2019

UV-Lenses (Quarz/CaF2)

  • Compact lenses, elements made of Quarz and CaF2
  • Reduced chromatic aberrations, enhanced spectral bandwidth
  • Apertures (F-Stop) from 4.5 (fixed settings)
  • Lens mount: C
  • Custom modifications on request
  • Designed and manufactured by Eureca

These lenses are color corrected primarily from approximately 250 nm to 400 nm. Depending on the further requirements, using the lenses up to the combined transmission boundaries of the substrates is possible (approx. 190 nm to 2.1 µm). Please specify the requested spectral distribution and working distance, along with the required effective f-stop and the sensor format. The suitability of the lenses for the application will then be checked individually. Coating options (AR) and further technical data are available on request.

Designation Focal
Length
[mm]
F-Stop Eff.
F-Stop
Distor-
tion
[%]
Sensor
Diameter
[mm]
Working
Distance
[mm]
ELA-UV-001-000-C 25 4.5 4.9 0.15 8 300
ELA-UV-002-000-C 34 4.5 5.2 -0.01 9 300
Stand der Tabelle: 07.11.2019

Pericentric Lenses

  • Imaging of front and side views of an object at the same time
  • Different lenses for smaller and larger objects
  • Lens mount: C
  • Custom modifications on request
  • Illumination solutions available (e. g. ring light or inline illumination)
  • Designed and manufactured by Eureca
Name Working Distance
[mm]
Magnification Eff. F-Stop Sensor Diameter
[mm]
Object Diameter
[mm]
max. Field Angle
[deg]
Length
[mm]
max. Diam.
[mm]
EPE-001-000-C 30 (0...50) -0.18 11 8 44 29 294 120
EPE-002-000-C 1.5 (0...2) -0.62 11 6 10 36.7 111 25

These lenses are antireflection coated for the visual spectral range. For optimal performance, it is recommended to use the products with LEDs of narrow spectral width or combined with a bandpass filter, respectively. The designation of maximum field angle refers to the chief ray angle in object space for maximum image height, measured at the first lens surface (plane surface). Furthermore, the length of the lens refers to the distance from the first lens surface to the image surface. The working distance refers to the object distance which is closest to the lens to the first lens surface, measured along the optical axis. All lenses are equipped with a fixed aperture setting, please specify the required effective f-stop. Further technical information is available upon request.

Designation Working
Distance
[mm]
Magni-
fication
Eff.
F-Stop
Sensor
Diameter
[mm]
Object
Diameter
[mm]
max. Field Angle
[deg]
Length
[mm]
max.
Diameter
[mm]
EPE-001-000-C 30 (0…50) -0.18 11 8 44 29 294 120
EPE-002-000-C 1.5 (0…2) -0.62 11 6 10 36.7 111 25
Stand der Tabelle: 12.04.2019

For a description of our further capabilities related to customized optical system developments, we would like to refer you to our page on Custom Optics.

Der Link zum Datenblatt des EPE-001-000-C findet sich hier.


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