Part | Specification | BM-500M | BM-500B | BM-500T |
Observation head | Monocular head Hinged binocular head with 55-75mm pupil distance. Hinged trinocular head, pupil distance 55-75mm. | ● ○ ○ | ○ ● ○ | ○ ○ ● |
Goggles | Wide-angle eyepiece WF10X-18mm Wide angle eyepiece WF15X-13mm Wide angle eyepiece WF20X-11mm | ● ○ ○ | ● ○ ○ | ● ○ ○ |
achromatic objective | DIN achromatic objective 4X/NA0.10 DIN achromatic objective 10X/NA0.25 DIN achromatic objective 40XR/NA0.65 DIN achromatic objective 60XR/NA0.85 DIN achromatic objective 100XR(oil)/NA1.25 | ● ● ● ○ ● | ● ● ● ○ ● | ● ● ● ○ ● |
Converter | Internal positioning three-hole converter Internal positioning four-hole converter | ○ ● | ○ ● | ○ ● |
Platforms | Double-layer mechanical platform, platform size: 132 mmX142 mm. | ● | ● | ● |
Spotlight | N1.25 Abbe spotting scope with variable light bar | ● | ● | ● |
Illumination | Halogen lamp 6V/20W , AC85-230V. | ● | ● | ● |
Optional Parts | Phase lining device Darkfield device Simple Polarization Camera unit | ○ ○ ○ ○ | ○ ○ ○ ○ | ○ ○ ○ ○ |
Packaging | Each microscope is packed into a foam box and then into a small cardboard box. Outer box size: 36.5X25.3X46.8cm portable wooden box Aluminum alloy box | ● ○ ○ | ● ○ ○ | ● ○ ○ |