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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 |
|
Opened in December 2011 by Richard Campey , The One Stop Nature Shop offers customers the opportunity to try wildlife observation equipment they are familiar with but also learn about and try new technologies and products.
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