Catalogue Alpha 'Expanded-Pupil' Stereo Microscope Brochure
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Advanced 'Expanded-Pupil' Stereo microscope
Technical Data
Accessories
Optical
■ Afocal stereo zoom Expanded-Pupil microscope provides a 26.4° field angle.
■ Expanded-Pupil patented technology optimises head and body freedom providing 10 times greater head freedom than conventional binocular eyepiece microscopes.
Zoom Magnification (see table below)
■ x7 - x40 multiplied by combinations of objective lenses and multipliers (total zoom magnification range x2.1 - x160).
■ Zoom ratio 5.7:1
■ Secondary multipliers x1.5 and x2.0
■ Reducing objectives to increase working distance and field of view.
■ Magnifying objectives to increase total magnification. Illumination
■ 12V/60W semi-coaxial long-life spotlamps.
■ 6 or 10-point ringlight options with 21V/150W Halogen lamp.
■ Substage illumination (bench stand only) 12V/20W Halogen lamp.
■ Option of tilting substage illuminator to enhance contrast.
Oblique and Direct Viewer
■ Allows the operator to view a subject from an angle of 34° from vertical, which can be rotated through to 360° enabling a better stereo view of 3-dimensional subjects including PCB solder joints, holes, pillars and thread forms. Both manual and motorised versions are available.
Oblique and direct viewer
Fixed Angle Viewer
■ Allows the user three options; a fixed angle of 25° from vertical, the ability to view vertically or tilting the optica head and using the system standing up. Fixed angle viewer
Ergowedge
■ Allows the view to be adjusted between -5° and -25° from horizontal.
Image Capture and Archive
■ Digital, USB and 35mm SLR industrial cameras including Sony, Nikon, Pixera, Canon and other leading makes.
■ Modular multimedia solutions for image archiving, acquisition, processing, analysis and documentation.
Alpha UV / White Light
Alpha UV / White Light is ideal for a wide range of non-destructive testing, crack & fatigue detection, conformai coating inspection of PCB's, UV medical industrial adhesives and general UV inspection tasks.
Step Magnification Multiplier
Image capture and archive
■ Allows the stereo zoom range to be increased by a factor of x1.5 or x2 without any loss in working distance.
Measuring/Comparison Graticule
■ Allows the user the ability to measure and compare against a scale. Standard range is available as a crossline or graduated scale. Custom graticules can be manufactured to specific designs.
■ Superb stereo vision gives unsurpassed crack and coating visibility.
■ Fast & accurate fault detection.
■ Enhanced productivity and reduced scrap rates.
Fault detection is made more effective by magnification, highlighting minute cracks and pitting. Alternate UV / white light inspection can be selected with a footswitch allowing the inspector hands-free component manipulation.
Step magnification multiplier
Objective
Zoom Range
Working
Field of View at Max. Zoom
Field of View at Min. Zoom
with x1.5 multiplier
with x2.0 multiplier
Distance
with x1.5 multiplier
with x2.0 multiplier
with x1.5 multiplier
with x2.0 multiplier
x0.3*
x2.1 - x12
x3.2 - x18
x4.2 - x24
312mm
14.5mm
9.7mm
7.2mm
82.6mm
55.0mm
41.3mm
x0.5
x3.5 - x20
x5.3 - x30
x7.0 - x40
177mm
8.9mm
5.9mm
4.5mm
51.0mm
34.0mm
25.5mm
x0.7
x4.9 - x28
x7.4 - x42
x9.8 - x56
130mm
6.4mm
4.3mm
3.2mm
36.0mm
24.0mm
18.0mm
x1.0
x7.0 - x40
x10.5 - x60
x14 - x80
85mm
4.4mm
2.9mm
2.2mm
24.9mm
16.6mm
12.5mm
x1.5
x10.5 - x60
x15.8 - x90
x21 - x120
47mm
3.0mm
2.0mm
1.5mm
17.0mm
11.3mm
8.5mm
x2.0
x14 - x80
x21 - x120
x28 - x160
29mm
2.2mm
1.5mm
1.1mm
12.6mm
8.4mm
6.3mm
when using the x0.3 objective lens with a bench stand model, an extended stand column is required to accommodate the increased working distance.
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