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ProScan H138A (Nikon)


Motorized Stage With 8 Slide Capacity For Nikon Upright Microscopes

The H138A is a motorized XY stage adapted for Nikon upright microscopes.

It uses a 2 mm pitch ballscrew and 200-step motor drive to cover its large travel area quickly, and features Prior's patented Intelligent Scanning Technology (IST) to optimize stage accuracy and linearity.

The H138A fits up to eight 75 mm x 25 mm microscope slides and offers extended lateral travel for imaging large samples, such as PCBs, or arrays of multiple samples. 

This stage is compatible with Nikon NIS Elements software (appropriate package required). 

See the product compatibility tab for the full list of options available.


    • Adapted for Nikon microscopes and fully customizable for use in OEM projects
    • 1µm or better repeatability
    • Extended lateral travel for imaging larger samples or multiple slides
    • Wide range of sample holders
Travel range 240 mm x 71 mm
Unidirectional repeatability < 1 μm
Bidirectional repeatability < 3.9 μm
Metric accuracy 0.15 μm/mm
Full travel metric accuracy < 34.0 μm
Resolution 0.04 μm
Squareness < 50 arcsec
Maximum velocity 60 mm/s
Maximum load 10 kg
Encoders No
Motor type 200 step
Screw pitch 2 mm
Weight 5 kg

Specifications as per datasheet. Please see datasheet for details.

  • H288 Glass plate (not suitable for transmitted light microscopy).

  • H239 Aluminum plate (H138)

  • H238LP Low profile slide holder for eight 76x26 mm Microscope Slides.

Option Manufacturer Compatibility Notes
H138E50 Nikon 50i, 80i, Ni-E, Ni-U, Ni-L, Ci-E, Ci-L, Ci-S Requires non-rotating SS substage
H138E80 Nikon 80i, 90i, Ni-E, Ni-U, Ni-L Requires rotating SSR substage
H138AZEP Nikon AZ100 Requires non-rotating SS substage
H138NLV Nikon LV100ND, LV100NDA, LV150N, LV150NA
H138A Nikon SMZ18, SMZ25, SMZ800, SMZ1000, SMZ1270, SMZ1500 Requires HSMZ1825 adapter from Prior and a P2- or P- microscope base.

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