This inflatable river tubes is more secure than the ordinary swimming pool circle. If it is a natural river, it is easy to have sharp edges such as stone and other sharp margins to cut the swimming ring. Generally, wearing bubble life jackets. Air chamber. Inflatable River Tubes,River Run Tube Plug,River Tubes,Heavy Duty River Tubes P&D Plastic Manufacture Co., Ltd , https://www.jmpoolfloat.com
Perfect Appearance Design
Perfect Ergonomics Design
Â
Total Magnification
   Objective
Eyepiece
4×
10×
40×
100×
10×
40×
100×
400×
1000×
16×
64×
160×
640×
1600×
Objective(with 10×Eyepiece, subject to standard outfit)
Infinity Plan Achromatic
Objective
Numerical
Aperture
N.A.
Objective Field(mm)
Resolution
 (μm)
Working Distance
(mm)
Field φ20
4×
0.10
5
2.8
10
10×
0.25
2
1.1
2.1
40×(s)
0.66
0.5
0.42
0.58
100×(water, s)
1.25
0.2
0.22
0.19
100×(oil, s)
1.15
0.2
0.22
0.19
Â
Perfect Appearance Design
Perfect Ergonomics Design
Â
Total Magnification
   Objective
Eyepiece
4×
10×
40×
100×
10×
40×
100×
400×
1000×
16×
64×
160×
640×
1600×
Objective(with 10×Eyepiece, subject to standard outfit)
Infinity Plan Achromatic
Objective
Numerical
Aperture
N.A.
Objective Field(mm)
Resolution
 (μm)
Working Distance
(mm)
Field φ20
4×
0.10
5
2.8
10
10×
0.25
2
1.1
2.1
40×(s)
0.66
0.5
0.42
0.58
100×(water, s)
1.25
0.2
0.22
0.19
100×(oil, s)
1.15
0.2
0.22
0.19
Â
The Pool Floats can customize the color and pattern, or the inflatable river tubes used by multiple or single people. The materials used are also more wear-resistant, not easy to damage and leak, and can be more pleasant to play in the river.
Camera Biological Microscope for Biological Trinocular Microscope Lab&Nbsp; Equipment
Model NO.: B302TR-2
Shape: Cylindrical Shaped Lens
Usage: Teaching, Research
Principle: Optics
Nosepiece: Quadplex
Abbe Condenser: Abbe N.a.1.25(Iris Diaphragm)
Aspheric Illumination: 3wled Illumination
Mechanical Stage: 145mmx140mm,Two Slide Holder
Coaxial Coarse and Fine Focusing Knobs: Coarse Focusing Travel Range:25mm
Infinity Objective: Plan4X/10X/40X/100X
Trademark: Optec
Transport Package: Carton
Specification: 350x270x470(mm)
Origin: Chongqing
HS Code: 9011100000
Model NO.: B302TR-2
Shape: Cylindrical Shaped Lens
Usage: Teaching, Research
Principle: Optics
Nosepiece: Quadplex
Abbe Condenser: Abbe N.a.1.25(Iris Diaphragm)
Aspheric Illumination: 3wled Illumination
Mechanical Stage: 145mmx140mm,Two Slide Holder
Coaxial Coarse and Fine Focusing Knobs: Coarse Focusing Travel Range:25mm
Infinity Objective: Plan4X/10X/40X/100X
Trademark: Optec
Transport Package: Carton
Specification: 350x270x470(mm)
Origin: Chongqing
HS Code: 9011100000
B302Â Series Biological Microscope
Perfect Optical System
B302Â Series Biological Microscope
Perfect Optical System