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Catadioptric lenses

Catadioptric lenses fold the light path with mirrors, giving long focal lengths in a short, light package. Most lenses in this range are diffraction limited over the full field and spectral range they are designed for.

  • 57 designs from 27 mm to 1,550 mm focal length, with image circles from 4 mm to 36 mm.
  • Ruggedised and athermalised to hold their specification from at least −20 °C to +60 °C.
  • Baffled to suppress glint and the washed-out image a bright source such as the sun causes in or near the field.
  • Every lens is tested and supplied with its measured MTF curve. Because of manufacturing tolerances, measured MTF is typically 5 to 10% below the design curve.
  • Longer focal lengths, from 950 mm to 2,500 mm, are coming in the Kuiper series.
Four Chromar catadioptric lenses

Built and flown

Selected lenses with photographs and datasheets.

C250 f/4 space lens (C2504007VNS)

C250 f/4 space lens

C2504007VNS
  • EFL 250 mm
  • f/# 4
  • Image Ø 14 mm
  • Bands VIS NIR SWIR

Flight-proven

Built and qualified for space. Two units launched on SpaceX Transporter-14 in 2025. The same catadioptric family is in series production and forms the basis of the Kuiper series.

C550 f/6 space lens (C5506014VNS)

C550 f/6 space lens

C5506014VNS
  • EFL 550 mm
  • f/# 6
  • Image Ø 28 mm
  • Bands VIS NIR SWIR

Space-qualified

Built and qualified for space applications, with a 28 mm image circle for large-format sensors.

C450 f/7.8 (C4507808VNS)

C450 f/7.8

C4507808VNS
  • EFL 450 mm
  • f/# 7.8
  • Image Ø 16 mm
  • Bands VIS NIR SWIR

Built

A long-focal-length catadioptric covering the visible to SWIR bands.

C285 f/3.4 (C2853414VNS)

C285 f/3.4

C2853414VNS
  • EFL 285 mm
  • f/# 3.4
  • Image Ø 28 mm
  • Bands VIS NIR SWIR

Flight-proven

Built for space applications. Very compact for its focal length, and in orbit.

C264 f/1.1 (C2641107VN)

C264 f/1.1

C2641107VN
  • EFL 264 mm
  • f/# 1.1
  • Image Ø 14 mm
  • Bands VIS NIR SWIR

Flight-proven

A very fast f/1.1 catadioptric built for space applications, in orbit.

C170 f/4.3 (C1704308VNS)

C170 f/4.3

C1704308VNS
  • EFL 170 mm
  • f/# 4.3
  • Image Ø 16 mm
  • Bands VIS NIR SWIR

Flight-proven

Built for space applications, in orbit.

Catadioptric lenses: full list

Lens list PDF

Spectral band (all selected must match)

  • Flight-proven
  • Space-qualified
  • Built
  • Prototype
  • Designed
  • In development
Chromar lens list, June 2026
EFL (mm)f/#Image Ø (mm)BandsStatusNotesDatasheet
2776VISNIRSWIRDesignedRequest datasheet
501.310VISNIRSWIRDesignedRequest datasheet
1001.510VISNIRSWIRMWIRDesignedRequest datasheet
1001.510VISNIRSWIRDesignedRequest datasheet
100210VISNIRSWIRDesignedRequest datasheet
1002.416UVBuiltRequest datasheet
100312VISNIRSWIRDesignedRequest datasheet
10049.6VISNIRSWIRDesignedRequest datasheet
10058UVVISNIRSWIRDesignedRequest datasheet
150414VISNIRSWIRDesignedRequest datasheet
170
C1704308VNS
4.316VISNIRSWIRFlight-provenBuilt for space applications, in orbitRequest datasheet
1833.210MWIRLWIRDesignedRequest datasheet
2001.210VISNIRSWIRDesignedDesigned for space applicationsRequest datasheet
2002.416VISNIRSWIRBuiltRequest datasheet
200510VISNIRSWIRDesignedRequest datasheet
200610VISNIRSWIRDesignedRequest datasheet
20084VISNIRPrototypePrototype builtRequest datasheet
250
C2504007VNS
414VISNIRSWIRFlight-provenBuilt and qualified for space. Two units launched on SpaceX Transporter-14 (2025), in orbitRequest datasheet
250410VISNIRSWIRBuiltBuilt for long-range surveillanceRequest datasheet
250410VISNIRSWIRMWIRDesignedRequest datasheet
250
C2505005VN
510VISNIRSWIRBuiltBuilt, more than 1,000 unitsRequest datasheet
250710VISNIRSWIRDesignedRequest datasheet
264
C2641107VN
1.114VISNIRSWIRFlight-provenBuilt for space applications, in orbitRequest datasheet
27076VISNIRBuiltBuilt for long-range surveillanceRequest datasheet
285
C2853414VNS
3.428VISNIRSWIRFlight-provenBuilt for space applications. Very compact, in orbitRequest datasheet
300
C3004005VNS
410VISNIRSWIRDesignedRequest datasheet
300710VISNIRSWIRDesignedRequest datasheet
31068VISNIRBuiltBuilt for long-range surveillanceRequest datasheet
320420VISNIRSWIRMWIRDesignedRequest datasheet
3454.228VISNIRSWIRDesignedRequest datasheet
3501.628VISNIRSWIRDesignedRequest datasheet
350412.8VISNIRSWIRBuiltBuilt for long-range surveillanceRequest datasheet
3506.48VISNIRSWIRBuiltBuilt for long-range surveillanceRequest datasheet
400416VISNIRSWIRDesignedDesigned for space applicationsRequest datasheet
430212.8VISNIRDesignedRequest datasheet
4501.128VISNIRDesignedRequest datasheet
450210VISNIRDesignedRequest datasheet
450
C4507808VNS
7.816VISNIRSWIRBuiltRequest datasheet
4508.312VISNIRSWIRDesignedRequest datasheet
500422VISNIRSWIRMWIRDesignedRequest datasheet
5501.530VISNIRDesignedRequest datasheet
550
C5506007VNS
614VISNIRSWIRBuiltBuilt for long-range surveillanceRequest datasheet
550422VISNIRSWIRBuiltBuilt for space applicationsRequest datasheet
550
C5506014VNS
628VISNIRSWIRSpace-qualifiedBuilt and qualified for space applicationsRequest datasheet
600636VISNIRSWIRBuiltBuilt for spaceRequest datasheet
6006.216VISNIRSWIRDesignedDesigned for space applications. Extremely compactRequest datasheet
630712VISNIRSWIRDesignedRequest datasheet
6404.422VISNIRSWIRDesignedDesigned for space applicationsRequest datasheet
7508.314VISNIRSWIRBuiltBuilt for UAV. Includes switch filterRequest datasheet
800534VISNIRSWIRDesignedDesigned for space applicationsRequest datasheet
800734VISNIRSWIRDesignedDesigned for space applicationsRequest datasheet
845928VISNIRSWIRFlight-provenBuilt for a 3U CubeSat, in orbitRequest datasheet
8508.216VISNIRSWIRBuiltBuilt for UAVRequest datasheet
860632VISNIRSWIRDesignedDesigned for space applicationsRequest datasheet
900
C9006007VNS
5 / 614VISNIRSWIRNot statedMulti-function switch zoom (f/5 and f/6)Request datasheet
1000424VISNIRSWIRBuiltBuilt for long-range surveillanceRequest datasheet
15507.930VISNIRSWIRDesignedRequest datasheet

Have a specification?

Tell us the focal length, f-number, spectral band, sensor and operating environment. We will tell you whether an existing design fits, or what a new one involves.