StingRay's eSWIR objectives are fully accessorized to include manual focus and aperture adjusts as well as a focus lock. Both configurations are coated for chromatically optimized performance down through the visible, 480nm and extend to either 1.7 or 2.5 microns.
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Please remember if you do not see the exact lens that you require, StingRay can always develop a custom solution for your consideration. If you are interested in receiving information on a custom system, please contact a StingRay sales engineer by calling (877)-358-5577, email or contact us.