0.5X Auxiliary Objective for use with XTL Stereo Zoom Microscopes Working Distance 137mm
$64.79
$117.27
0.5X Auxiliary Objective for use with XTL Stereo Zoom Microscopes, it easily screws onto the 'nose' end of the microscope head. This objective provides a Longer Working Distance of 137mm and decreases the magnification range of the microscope from (with 10X eyepieces) 7X-45X to 3.5X-22.5X. The working distance before attachment of the objective is 88mm. Here is a table of magnifications, field of view and working distances for all optoical accessories for the XTL Stereo Zoom Microscope: Specification of auxiliary objectives and eyepieces – XTL-101/2/3 Eyepiece\Objective Main body 0.5X objective 0.75X objective 1.5X objective 2X objective 0.7x-4.5x 0.35x-2.10x 0.49x-3.15x 1.05x-6.3x 1.4x-8.4x 10x (std) Total magnification 7x-45x 3.5x-22.5x 5.3x-31.5x 10.6x-63x 14x-90x Diameter of visual field(mm) 31-5.2 62x-9.6x 38-6.4 19-3.2 14.3-2.4 15x Total magnification 10.5x-63x 5.3x-31.5x 7.9x-47.5x 15.8x-94.6x 21x-126x Diameter of visual field(mm) 21.4-3.6 42.8-7.2 28.5-4.8 14.2-2.4 10.7-1.8 20x Total magnification 14x-84x 7x-42x 10.6x-33x 21.2x-126x 28x-168x Diameter of visual field(mm) 17.1-2.9 34.3-5.7 22.9-3.8 11.4-1.9 8.6-1.4 25x Total magnification 17.5x-105x 8.8x-52.5x 13.1x-78.8x 26.3x-157.5x 35x-220x Diameter of visual field(mm) 12.9-2.1 25.7-4 17.1-2.9 8.6-1.4 6.4-1.1 Working Distance(mm) 88 137 103 48 25
