Technical Specifications:
Small-size Apertures:
Focal Length (mm): 50 – 500.
Clear Aperture (mm): 10 – 28.
Field of View: 1.0° – 10 °.
Mid-size Apertures:
Focal Length (mm): 300 – 500.
Clear Aperture (mm): 50.
Field of View: 1.0° – 2.0°.
Large-size Apertures:
Focal Length (mm): 600 – 1100.
Clear Aperture (mm): 78 -100.
Field of View: 0.5° – 0.8°.