LT-APO OBJECTIVES | Low Temperature Objective

Low Temperature APO Objectives (UV – IR – NIR – VIS – Telecom)

Product Specification

UV

Clear Aperture (CA) - 4.7 mm

Focal Length (FL) - 2.8 mm

Numerical Aperture (NA) - 0.82

Working Distance (WD) - 0.95mm (1.45mm)

Spectral Performance

AR coating (> 80% transmission) - 400 - 1,000 nm

Apochromatic Range (Df < +/-1D) - 465-695 nm

Environment: Low temperature, high magnetic fields, high vacuum, Ultra High Vacuum, 100-125 °C Bakeable option available. 

Size and Dimensions

Diameter - 24 mm

Length - 49 mm

Weight - 46 g

RMS Thread (0.80''x36TPI 3mm long)

VIS

Clear Aperture (CA) - 4.7 mm

Focal Length (FL) - 2.8 mm

Numerical Aperture (NA) - 0.82

Working Distance (WD) - 0.95mm (1.45mm)

Spectral Performance

AR coating (> 80% transmission) - 400 - 1,000 nm

Apochromatic Range (Df < +/-1D) - 540-780 nm

Environment: Low temperature, high magnetic fields, high vacuum, Ultra High Vacuum, 100-125 °C Bakeable option available. 

Size and Dimensions

Diameter - 24 mm

Length - 49 mm

Weight - 46 g

RMS Thread (0.80''x36TPI 3mm long)

NIR

Clear Aperture (CA) - 4.7 mm

Focal Length (FL) - 2.9 mm

Numerical Aperture (NA) - 0.82

Working Distance (WD) - 1.50mm (1.90mm)

Spectral Performance

AR coating (> 80% transmission) - 400 - 1,000 nm

Apochromatic Range (Df < +/-1D)- 650 - 970 nm

Environment: Low temperature, high magnetic fields, high vacuum, Ultra High Vacuum, 100-125 °C Bakeable option available. 

*Specifications may vary by 10% and can be changed without any notice

Size and Dimensions

Diameter - 24 mm

Length - 49 mm

Weight - 46 g

RMS Thread (0.80''x36TPI 3mm long)

IR

Clear Aperture (CA) - 4.7 mm

Focal Length (FL) - 2.8 mm

Numerical Aperture (NA) - 0.82

Working Distance (WD) - 0.95mm (1.35mm)

Spectral Performance

AR coating (> 80% transmission) - 600 - 1,550 nm

Apochromatic Range (Df < +/-1D) - 930 - 1,365nm

Environment: Low temperature, high magnetic fields, high vacuum, Ultra High Vacuum, 100-125 °C Bakeable option available. 

*Specifications may vary by 10% and can be changed without any notice

Size and Dimensions

Diameter - 24 mm

Length - 49 mm

Weight - 46 g

RMS Thread (0.80''x36TPI 3mm long)

Telecom

Clear Aperture (CA) - 4.7 mm

Focal Length (FL) - 2.8 mm

Numerical Aperture (NA) - 0.82

Working Distance (WD) - 1.2mm (1.60mm)

Spectral Performance

AR coating (> 80% transmission) - 600 - 1,560 nm

Apochromatic Range (Df < +/-1D) – 1,540 – 1,560nm

Environment: Low temperature, high magnetic fields, high vacuum, Ultra High Vacuum, 100-125 °C Bakeable option available. 

*Specifications may vary by 10% and can be changed without any notice

Size and Dimensions

Diameter - 24 mm

Length - 49 mm

Weight - 46 g

RMS Thread (0.80''x36TPI 3mm long)