Domestic Plan Semi-Apochromatic Objective IOPHSO138420X-VIS

JCOPTIX domestic plan semi-apochromatic objectives have standard RMS threads and infinity-corrected plan semi-apochromatic designs for 180 mm tube lenses, with correction between plan achromats/apochromats. Housings bear category, magnification, NA, a coverslip-free-imaging number, and effective tube-lens focal length. RMS threads adapt to SM1 internally threaded mounts via JCOPTIX MTA-SM1F. Domestic plan semi-apochromats: infinity-corrected plan design; ideal for imaging/laser focusing; 45 mm parfocal distance; RMS/20.32 mm ×36 TPI. Magnifications 4X, 10X, 20X, 40X, 100X, corrected at four wavelengths for imaging/focusing, brightfield, darkfield, and upright fluorescence. Domestic long-working-distance plan semi-apochromats: infinity design; large inverted fluorescence microscopes; imaging/laser focusing; 45 mm parfocal; RMS/20.32 mm ×36 TPI. Magnifications 2X, 4X, 10X, 20X, 40X, 60X. Four-wavelength correction, 180 mm tube lenses, and long clearance suit large inverted fluorescence microscopes. Domestic long-working-distance plan semi-apochromatic positive-phase-contrast objectives: infinity design; excellent phase contrast for large inverted fluorescence microscopes; high signal-to-noise ratio, resolution, and contrast; 45 mm parfocal; RMS/20.32 mm ×36 TPI. Magnifications 4X, 10X, 20X, 40X, 60X provide flat high-quality images of transparent/colorless cells/tissues. Domestic infinity plan fluorescence objectives: long clearance reduces damage risk; ideal for imaging/focusing; 45 mm parfocal; RMS/20.32 mm ×36 TPI. Magnifications 4X, 10X, 20X, 40X, 60X. IOPHPSO138420X-VIS/IOPHPSO142440X-VIS also provide phase contrast. High NA, long working distances, and flatness suit standard inverted fluorescence microscopes. Domestic plan semi-apochromatic biological relief-contrast objectives: infinity design; universal long-working-distance relief observation; 45 mm parfocal; RMS/20.32 mm ×36 TPI. Magnifications 10X, 20X, 40X. Optical-density-gradient modulators create shadows/brightness differences in transparent specimens to increase unstained visibility/contrast. Long clearance/flatness suit modulated oblique illumination and large inverted biological microscopes with Hoffman contrast.

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