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Designed to meet the most advanced imaging requirements, the CFI 60 objectives represent the culmination of Nikon’s optical technology. Relying on a 60mm parfocal distance and a much larger barrel diameter allows these objectives to offer increased brightness and the highest possible combination of working distance and numerical aperture (for light gathering ability). Designed to correct lateral and axial chromatic aberrations over the entire field of view, these objectives produce images that are crisp, flat and clear with high contrast and high resolution. Mounting thread: M25 x 0.75mm.
The accessory tube lens (#58-520) can be used to focus light from the infinity-corrected objective onto the image plane. For optimal performance, the distance between the tube lens and the objective’s shoulder should be kept within 100-200mm. This spacing allows accessories to be inserted in the optical path to accommodate specific needs.