Type: Koehler illumination
Display: Display should be on either side of the stand with long-life
LEDs. This intensity display should be well readable from distance.
LED illumination: White-light, with lifetime of at least 20000 hours
Optical System: Color-corrected infinity optics
Eyepiece: A pair of eyepieces 10X suitable for spectacle wearers and retrofit
Table eye piece pointer. Eyepiece with field of view of 20mm. Eyepieces secured enough to prevent mechanical damage.
Objectives
With High quality objectives of the Plan-Achromat class:
Plan-Achromat 4X/0.10
Plan-Achromat 10X/0.25
Plan-Achromat 40X/0.65
Plan-Achromat 100X/1.25 Oil, WD=0.13mm or more.
4-position or more, nosepiece objectives secured against easy
Removal.
Condenser: With Abbe condenser NA/1.25
Viewing Tube
Viewing with 30° angle and field of view at least 20mm
With Interpupillary Distance continuously variable from at least 48
To 75 mm by asymmetric folding of the binocular part
Tube should be secured against dropping.
Stage
Should have mechanical stage with well readable vernier with stage
Size at least 130X120 mm or more and travel range 75X30mm or
More
Power unit should be integrated into stand.
Should have provision for IEC adaptor for conversion into a benchtop power pack.
Should be supplied with purchaser's country specific power cable
And requirements
Should have carrying Handle
Two dust Covers should be provided with each unit
Should have provision for prevention of fungal colonization.
Certificates