Leica DM EP. Polarizing Microscope System. Great discoveries begin with vision.

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1 Leica DM EP Polarizing Microscope System Great discoveries begin with vision.

2 Systems.Solutions.Leica. The vision to unlock the past. At the heart of Leica Microsystems lies a core vision focused on the facilitation of discovery through innovation. This vision has led to the development of the Leica DM EP, an advanced polarizing microscope that gives the user a tool to discover new worlds and recreate the old ones under optimum conditions. By combining superior image quality, innovative features and a durable, ergonomic design, the DM EP can be used for a variety of applications in both classroom and laboratory environments. An outstanding tool for fields ranging from Earth Sciences to Material Sciences and Forensics, the Leica DM EP offers a vast array of specialized features to make your polarized microscopy investigations easier and more accurate. By employing strain-free optics and precision-engineered polarizing mechanisms, the DM EP s superior design ensures a concentric field of view and maximized extinction for all of your investigative needs. And to combat the discomforts often associated with repetitive movements and extended viewing periods, the DM EP s highly adaptable, ergonomic design allows for comfortable use and easy manipulation of specimens. Leica Microsystems builds this advanced microscope upon a company heritage dating back to 1847, as the first company to put a modern microscope into mass production. Today, the company remains at the forefront of the industry, having pioneered countless advancements in the polarized light microscopy field. It s all part of Leica s visionary systems of solutions a philosophy that treats each customer as an individual with specific application, research and performance demands. Precision engineering Precision design Great discoveries begin with vision. 1 Max Berek Berek, an associate of E. Leitz (now Leica), was a pioneer in the early years of polarized light microscopy. He is particularly well known for his Berek prism that allows for incident light polarization, and his Berek compensator, an optical device that is capable of quantitatively determining the wavelength retardation of birefringent materials.

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4 Illumination for Discovery The vision to examine with polarized light. The Leica DM EP can be used in a variety of polarized light applications. From determining stress levels in glass and polymers to analyzing the optical characteristics of crystals, the polarization system of the DM EP is designed to provide the accuracy and adaptability you ll need for all of your identification and diagnostic applications. The DM EP s polarization features include: An Analyzer/Bertrand Lens module with swing-in/out controls and a stabilizing mechanism to provide proper orientation and ease of use for both Conoscopic and Orthoscopic observations A rotating polarizer with swing-in/out controls and marked flats at every 90 º for easy and accurate polarization orientations DIN standard full wave ( ) and quarter wave ( ) compensators with slide stops and ergonomic grips to improve efficiencies and ease of use (other compensators also available) Swing-in/out Analyzer/Bertrand Lens module The vision to illuminate for exploration. In order to discover the past, you must first be able to see brightly and clearly. The DM EP s highly efficient illumination system allows you to do that under optimum conditions. The DM EP s illumination system will enhance your investigations with the following features: A standard Koehler field diaphragm and magnetic blue filter to provide sharp, vivid images for viewing and documentation A 2000 hour/35 watt halogen lamp equipped with an illuminated intensity control system to signal users when the microscope has been left on saving on lamp life A voltage sensing power supply designed to meet international safety standards and deliver optimized light intensity regardless of voltage fluctuations facilitating usage anywhere in the world Standard Koehler Illumination Conoscopy EXCLUSIVELY LEICA 3 Great discoveries begin with vision. Alfred Wegener Wegener is credited with one of the most important and farranging geological theories of all time. His Theory of Continental Drift was one of the earliest, scientifically supported explanations for the origins of earth s continents and oceans. Mica

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6 Exacting Alignment The vision to enhance image quality. In polarized light microscopy, the only factor that should affect the polarized light source is the specimen being examined. That s why the DM EP s optical system was engineered with strain-free optics that eliminate optical interferences and improve the accuracy of your findings. The DM EP provides superior optical quality with the following features: A centerable, strain-free condenser equipped with a slot for compensators, such as a a quarter wave ( ) compensator - allowing for circular polarization techniques A selection of precision-engineered, strain-free POL objectives to provide brilliant image quality Standard 20mm field number 10x eyepieces for an increased field of view Precision-engineered, strain-free objectives The vision to investigate with confidence. The precision engineering of the DM EP ensures that every mechanism throughout the microscope is configured to eliminate deviations in the microscope s alignment - ensuring a centered field of view. The DM EP provides precision alignment with the following features: A rear-facing nosepiece featuring 4 independently-centerable, strainfree objectives to ensure parcentricity for concentric rotations of specimens around the optical axis An eyepiece with a cross-line reticle that can be adjusted at 45 and 90 angles to assist in the positioning and examination of specimens A Seidentopf binocular body and Analyzer/Bertrand Lens module equipped with alignment pins to ensure extinction when the polarizer and analyzer are engaged A specially coated prism in the binocular/trinocular body to maximize image transmission An angled quartz plate in the Analyzer/Bertrand Lens module to eliminate psuedo-pleochroism and maximize extinction A high precision 180mm diameter rotating stage marked in one degree increments and equipped with two verniers for accurate measurements to a tenth of a degree (attachable mechanical stage also available) A rear-facing nosepiece featuring 4 independently-centerable objectives EXCLUSIVELY LEICA 5 Great discoveries begin with vision. John Dalton Dalton proposed the Atomic theory in 1803 which stated that all matter was composed of atoms; atoms of a given element possess unique characteristics and a certain weight; and three types of atoms exist: simple, compound, and complex. Polymer

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8 Comfortable Operation The vision to bring comfort through ergonomics. Leica has developed an advanced design that simplifies usage by improving ergonomics. The DM EP s easily accessible controls and compact, adaptable design allow the user to manipulate specimens and make accurate observations with ease. The DM EP delivers comfortable use with the following features: Magnetic centering tool receptacles located in the rear of the Analyzer/Bertrand Lens module to provide easy accessibility and prevent loss Seidentopf binocular body with a 30 viewing angle for ergonomic comfort Removable rubber eye guards to protect eyeglasses and provide added comfort during lengthy observations. Rear-facing nosepiece with easily accessible centering screws viewing angle for comfort Verniers located 90º apart on the right and left of the stage providing a direct view to simplify measurements of specimens during stage rotations Fine and coarse focus drives located on the lower part of the stand to minimize unnecessary hand and wrist movement Polymer hand rests to improve wrist and hand comfort for periods of extended usage Verniers located on the right and left of the stage EXCLUSIVELY LEICA 7 Great discoveries begin with vision. Karl Landsteiner Karl Landsteiner s Nobel Prizewinning work played an integral role in the advancement of the Forensic Science field by assisting in the development of methods to match suspects to evidence left at crime scenes. Fibers

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10 Unparalleled Durability The vision to design durable instruments. To protect your investment, the DM EP was engineered to withstand the rigors of multiple laboratory and educational environments without compromising the performance and quality of your investigations. The DM EP provides durability that lasts with the following features: Durable, solid brass core focus knobs create inertia for fatigue-free focusing A magnetic blue filter to prevent vandalism and loss An angled lamp door to prevent breakage and simplify bulb replacement (After 2000 hours!) A convenient cord wrap that locks the cord in place to avoid misplacement A rear-facing nosepiece that allows for easy manipulation of the sample while preventing the user s hands from colliding with the objectives A factory set focus stop complimented with spring-loaded objectives to prevent slide breakage Non-marring rubber feet to provide stable control during use A cast aluminum stand to minimize vibrations, providing stable operation for improved accuracy Durable, solid brass core focus knobs EXCLUSIVELY LEICA A cast aluminum stand to minimize vibrations 9 Great discoveries begin with vision. James Hutton James Hutton is considered to be the founder of modern Geology. His studies of the rock formations in his native Scotland helped him formulate his most famous work, Theory of the Earth. This work was interpreted by many as the basis for geological theory. Granite

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12 Leica Microsystems the brand foroutstanding products Leica Microsystems mission is to be the world s first-choice provider of innovative solutions to our customers needs for vision, measurement, lithography and analysis of microstructures. Leica, the leading brand for microscopes and scientific instruments, developed from five brand names, all with a long tradition: Wild, Leitz, Reichert, Jung and Cambridge Instruments. Yet Leica symbolizes innovation as well as tradition. Leica Microsystems an international company with a strong network of customer services Australia: Gladesville Tel Fax Austria: Vienna Tel Fax Canada: Richmond Hill/Ontario Tel Fax Denmark: Herlev Tel Fax France: Rueil-Malmaison Tel Fax Cedex Germany: Bensheim Tel Fax Italy: Milan Tel Fax Japan: Tokyo Tel Fax Korea: Seoul Tel Fax Netherlands: Rijswijk Tel Fax Portugal: Lisbon Tel Fax Republic of China: Hong Kong Tel Fax Singapore: Tel Fax Spain: Barcelona Tel Fax Sweden: Sollentuna Tel Fax Switzerland: Glattbrugg Tel Fax United Kingdom: Milton Keynes Tel Fax USA: Bannockburn/llinois Tel Fax and representatives of Leica Microsystems in more than 100 countries. The companies of the Leica Microsystems Group operate internationally in five business segments, where we rank with the market leaders. Microscopy Our expertise in microscopy is the basis for all our solutions for visualization, measurement and analysis of microstructures in life sciences and industry. Specimen Preparation We specialize in supplying complete solutions for histology and cytopathology. Imaging Systems With confocal laser technology and image analysis systems, we provide three-dimensional viewing facilities and offer new solutions for cytogenetics, pathology and material sciences. Medical Equipment Innovative technologies in our surgical microscopes offer new therapeutic approaches in microsurgery. With automated instruments for ophthalmology, we enable new diagnostic methods to be applied. Semiconductor Equipment Our automated, leading-edge measurement and inspection systems and our E-beam lithography systems make us the first choice supplier for semiconductor manufacturers all over the world Leica Microsystems Inc. ISO-9001 EDU /02 Leica Microsystems Inc. Educational and Analytical Division Telephone PO Box 123 Fax Buffalo New York USA ISO-9001 Certified