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Our J 900 Phase Contrast Microscope is equipped with universal infinity independent plan achromatic optical system, chromatic aberrations and curvature of field are both ideally corrected over the field of view. The objectives of J 900 Phase Contrast Microscope own higher NA's producing crisp, clear images with minimal flare. The J 900 Phase Contrast Microscope has high eye-point, wide field of view eyepiece, and its diopter is adjustable. Standard 10X eyepieces view-field can be chose between 20mm and 22mm. And high eye-point eyepiece with the distance up to 21mm view-field can bring you wider vision and more comfortable feeling.
Ergonomic design : The position of coaxial coarse and fine focus knob can be adjusted
Type | J 900B | J 900T | |
Optics System | Infinity Independent Plan Achromatic Optical System F=200mm | â | â |
Viewing Head | Seidentopf binocular tube, Interpupillary distance 52~75mm, 30oinclined, 360° rotateable, diopter adjustable. | â | - |
Seidentopf binocular tube, Interpupillary distance 48~75mm, 30oinclined, 360o rotateable, diopter adjustable. | o | - | |
Seidentopf trinocular tube, Interpupillary distance 52~75mm, 30oinclined, trinocular light is split 20/80 by a high quality prism, diopter adjustable. | - | â | |
Seidentopf trinocular tube, Interpupillary distance 48~ 75mm, 30oinclined ,trinocular light is split 20/80 by a high quality prism,diopter adjustable. | - | o | |
Eyepiece | WF10X/20mm, High eye-point up to 21mm. | â â | â â |
WF10X/22mm, High eye-point up to 21mm, WF16X/14mm | o | o | |
WF10X/20mm (Pointer), High eye-point up to 21mm. WF10X/22mm (Pointer), High eye-point up to 21mm. | o | o | |
Reticule Eyepiece: CROSSWF10X/20mm, CROSSWF10X/22mm | o | o | |
Centering Telescope CTE | o | o | |
Nosepiece | Quadruple, inward | â | â |
quintuple, inward | o | o | |
Objectives | Plan Achromatic 2X/0.06, WD=3.55mm | o | o |
Plan Achromatic 4X/0.10, WD=12.31mm, 10X/0.25, WD=5.03mm, 40X/0.65(S), WD=0.72mm, 100X/1.25 (S,O), WD=0.17mm | â | â | |
Plan Achromatic 20X/0.40, WD=2.71mm | o | o | |
Plan Achromatic 60X/0.80(S), WD=0.69mm | o | o | |
Phase-Contrast (positive or negative) Objectives | PH Plan Achromatic 10X/0.25, WD=5.03mm, 20X/0.40, WD=2.71mm, 40X/0.65, WD=0.72mm, 60X/0.80, WD=0.69mm, 100X/1.25(S,O), WD=0.17mm | o | o |
Phase-Contrast Slide | 10X PH, 20X PH, 40X PH, 60X PH, 100X PH | o | o |
Stage | Double Stage: 156×138mm platform, with X/Y travel of 76×54mm by low-positioned X/Y coaxial control knob, with scale mark and specimen-slide clip, enough space to hold 2 specimen-slide. | â | â |
Rackless Mechanical Stage: 179(205)×175mm platform, with X/Y travel of 75×50mm by low-positioned X/Y coaxial control knob, with scale mark and specimen-slide clip, enough space to hold 2 specimen-slide. | o | o | |
Refocus double Stage: 156×138mm platform, with X/Y travel of 76×54mm by low-positioned X/Y coaxial control knob, with scale mark and specimen-slide clip, enough space to hold 2 specimen-slide. | o | o |