The M251 Monocular Microscope is a robust and versatile instrument ideal for educational settings and routine laboratory work. It features a graduated mechanical stage for precise specimen positioning and tracking, an Abbe condenser with iris diaphragm for optimal control of illumination and contrast, and a set of DIN standard objectives (4X, 10X, 40X, and 100X oil immersion) for versatile magnification. The built-in 6V 20W LED illumination with intensity adjustment provides bright, even lighting for clear and detailed observation. This microscope offers a combination of advanced features typically found in higher-end models, making it an excellent value for students, educators, and laboratory professionals.
| Head | Monocular |
| Eyepiece | 10x WF |
| Objectives | 4, 10, 40, 100x |
| Condenser | NA 1.25 |
| Diaphragm | Iris |
| Stage | Mechanical |
| Illumination | LED |
| Bulb | 3 Watt LED |
| Focusing | Coaxial |
| Actual Size | 8.5 in x 6.5 in x 14.4 in |
| Shipping Size | 12.5 in x 8.5 in x 16.5 in |
| Accessories & Components | <h4 class="acc-cat">Bodies</h4><table class="acc-table"><tbody><tr><td class="acc-code">M250-3001</td><td>MONOCULAR HEAD WITHOUT EYEPIECE</td></tr><tr><td class="acc-code">M250-3002</td><td>DUAL VIEWING HEAD WITH DIOPTER WITHOUT EYEPIECES</td></tr><tr><td class="acc-code">M250-3004</td><td>SEIDENTOPF BINOCULAR HEAD FOR M250 AND M250LED SERIES</td></tr><tr><td class="acc-code">Header</td><td>Optics</td></tr><tr><td class="acc-code">M250-1401</td><td>10X WIDEFIELD EYEPIECE, SINGLE</td></tr><tr><td class="acc-code">M250-1411</td><td>10X WIDEFIELD EYEPIECE WITH POINTER, SINGLE</td></tr><tr><td class="acc-code">M250-1499</td><td>5X EYEPIECE, SINGLE</td></tr><tr><td class="acc-code">M250-2101</td><td>4X DIN ACHROMAT OBJECTIVE, N.A. 0.10</td></tr><tr><td class="acc-code">M250-2102</td><td>10X DIN ACHROMAT OBJECTIVE, N.A. 0.25</td></tr><tr><td class="acc-code">M250-2103</td><td>40X DIN ACHROMAT OBJECTIVE, N.A. 0.65, RETRACTABLE FRONT LENS</td></tr><tr><td class="acc-code">M250-2104</td><td>100X DIN ACHROMAT OBJECTIVE, N.A. 1.25, OIL, RETRACTABLE FRONT LENS</td></tr><tr><td class="acc-code">Header</td><td>Miscellaneous Accessories</td></tr><tr><td class="acc-code">M250-5003</td><td>MECHANICAL STAGE WITH ABBE N.A. 1.25 CONDENSER AND IRIS DIAPHRAGM</td></tr><tr><td class="acc-code">M250-7001</td><td>6V20W HALOGEN BULB, 4MM PIN FOR M250 SERIES</td></tr><tr><td class="acc-code">M250-7003</td><td>FUSE 250V 1.5A</td></tr><tr><td class="acc-code">M250-8001</td><td>DUST COVER FOR M250 SERIES</td></tr><tr><td class="acc-code">M250-8902</td><td>EYEPIECE POINTER FOR M250 SERIES</td></tr></tbody></table> |
| Weight | 13 lbs (6 kg) |
| Shipping Weight | 13 lbs (6 kg) |
| M250-3001 | MONOCULAR HEAD WITHOUT EYEPIECE |
| M250-3002 | DUAL VIEWING HEAD WITH DIOPTER WITHOUT EYEPIECES |
| M250-3004 | SEIDENTOPF BINOCULAR HEAD FOR M250 AND M250LED SERIES |
| Header | Optics |
| M250-1401 | 10X WIDEFIELD EYEPIECE, SINGLE |
| M250-1411 | 10X WIDEFIELD EYEPIECE WITH POINTER, SINGLE |
| M250-1499 | 5X EYEPIECE, SINGLE |
| M250-2101 | 4X DIN ACHROMAT OBJECTIVE, N.A. 0.10 |
| M250-2102 | 10X DIN ACHROMAT OBJECTIVE, N.A. 0.25 |
| M250-2103 | 40X DIN ACHROMAT OBJECTIVE, N.A. 0.65, RETRACTABLE FRONT LENS |
| M250-2104 | 100X DIN ACHROMAT OBJECTIVE, N.A. 1.25, OIL, RETRACTABLE FRONT LENS |
| Header | Miscellaneous Accessories |
| M250-5003 | MECHANICAL STAGE WITH ABBE N.A. 1.25 CONDENSER AND IRIS DIAPHRAGM |
| M250-7001 | 6V20W HALOGEN BULB, 4MM PIN FOR M250 SERIES |
| M250-7003 | FUSE 250V 1.5A |
| M250-8001 | DUST COVER FOR M250 SERIES |
| M250-8902 | EYEPIECE POINTER FOR M250 SERIES |