Check the listing for details. Tiin Optics SW2513 Lens for SWIR. Condition: New. Listed at 2111.41 USD. Focal length: 25mm Aperture: F1.3 Image Format: 1.1 Resolution: 5 megapixels Mount: C-Mount Working Wavelength 800-1700nm Minimum Object Distance: 0.1m Temperature range: -20•c to 60•C Manual iris Control: yes.