SPECIFICATIONS
  • standard objectives
  • standard flatfield objectives
  • Ultra-Plan objectives
  • fluorescence microscopy objectives
  • phase-contrast objectives
  • long working-distance objectives
  • polarising microscopy objectives
  • special widespectral objectives
  • special macro objectives for criminalistic microscopes
  • special objectives for CCD and CMOS cameras


    PHASE-CONTRAST OBJECTIVES

    transmitted or reflected light with or without coverglass
    parfocal distance (DIN), mm 45
    tube length, mm 160 or infinity
    optimum field of view (in eyepiece), mm 18
    maximum field of view (in eyepiece), mm 20

    FLATFIELD POSITIVE PHASE-CONTRAST OBJECTIVES

    Microobjectives designed for high-series production satisfying to methods of microscopic researches in biology, medicine etc.

    Some specifications:
    N MAGNIFICATION NUMERICAL APERTURE TOTAL WORKING DISTANCE, mm TYPE OF ABERRATION CORRECTION
    1 10 0.25 12.2 ICS LD PLANACHROMAT
    2 20 0.45 1.62 ICS ACHROMAT
    3 40 * 0.65 0.43 ICS C-PLAN ACHROMAT
    4 100 1.25 OIL 0.28 ICS C-PLAN ACHROMAT
    *- negative phase-contrast possible.

     

    FLUORESCENCE NEGATIVE PHASE-CONTRAST OBJECTIVES

    Special microscope objectives of very high numerical aperture to ensure maximum brightness of the image in fluorescence microscopy.
    Transmitted or reflected light with or without coverglass

    Some specifications:
    N MAGNIFICATION NUMERICAL APERTURE TOTAL WORKING DISTANCE, mm TYPE OF ABERRATION CORRECTION
    1 10 * 0.40 4.0 ICS C-PLAN MICROFLUAR
    2 20 0.70 0.63 ICS C-PLAN MICROFLUAR
    3 40 * 0.85 0.43 ICS C-PLAN MICROFLUAR
    4 100 1.20 WAT 0.28 ICS C-PLAN MICROFLUAR
    5 100 1.30 OIL IRIS  0.28 ICS C-PLAN MICROFLUAR
    *- positive phase-contrast possible.




      FOCUS Inc.
      1B, 5-th Upper street, Saint-Petersbourgh 194292, Russia
      Phone/Fax:      +7-812-7154960                                   Phone/Fax:     +7-812-9328906
      E-mail:              focus@focusinc.ru



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