Used Workshop Microscope for sale (4,558)

Condition: new, Special offer price for stock items. Only while stocks last. Price ex warehouse, plus VAT. Workshop press WK 50 FH Pro Pressure force: 50 t Piston stroke: 200 mm Table width: 260 mm Passage (E): 730 mm Passage (F): 205 mm Distance cylinder - table (F1): 75 mm Distance cylinder - table (F2): 1050 mm Cylinder movable (M): 240 mm Width (A): 1040 mm Depth (B): 800 mm Height 1 (C): 1835 mm Height 2 (D): 1880 mm Weight approx.: 287 kg Features: - With cable winch for easy height adjustment of the support table - Self-regulating hydraulics for energy-saving piston feed - Powerful workshop presses for craft and repair businesses - Optimum price-performance ratio thanks to rational design - The standard foot pedal keeps your hands free for the workpiece - Increased application area thanks to the optionally available pressure mandrel set (10 pieces). - Pressure cylinder with integrated return spring for piston return Kodpsb Elguefx Acwedw - Welded steel frame for heavy use and high stability - Versatile use thanks to pressure cylinder that can be moved to the left and right SPECIAL PRICE from the Mindelheim warehouse. Only for stock items. While stocks last.

Condition: new, The 2 T Workshop Press is a versatile Manual Workshop Press that excels in driving in and out arbors, bushings, spindles, and pins, as well as keyway broaching. This compact machine is characterized by its heavy one-piece casting design, offering stability and reliability for a wide range of applications in mechanics and repair shops. With a press force of 10 kN and a throat depth of 145 mm, it is particularly suited for press-fitting and pulling bearings, aligning, and bending tasks. The simple functionality of this press, combined with the included operator manual, makes it an essential tool for any workshop. As a robust offering from KNUTH, the 2 T Workshop Press stands ready for your pressing needs, allowing you to handle tasks with efficiency. Don't hesitate to order online and enhance your toolkit with this reliable Manual Workshop Press today. Kdjdpfxsu E I E Re Acwew

Condition: excellent (used), For sale: precision toolmakers' microscope from renowned Japanese manufacturer Mitutoyo, model TM-101 (Code No. 176-901). This device is designed for inspection of dimensions, shapes, profiles, surfaces, and contours in tool rooms, measurement laboratories, and quality control departments. Manufacturer: Mitutoyo Mfg. Co. Ltd. Japan Type: TM-101 Mitutoyo digital readouts on X and Y axes with ABS and INC functions, preset, and data output Measuring cross-table with rotation and adjustment Lighting functions: Surface, Contour, Main Power supply: AC 220V, 50–60 Hz, 8 VA Robust, stable industrial construction Very good condition, complete device, technically fully functional and ready for operation. Ideal for measuring cutting tools, milling cutters, drills, inserts, inspection of precision components, as well as contour, thread, and geometry measurements of workpieces. Kodpfxsw R E Hie Acwsdw

Condition: new, Year of construction: 2025, functionality: fully functional, This cabin pressure washer made of high-quality stainless steel is a tool that raises cleaning standards to a new level. Designed with professional applications in mind, this washer offers reliability, durability and performance. Made from high-grade stainless steel, it provides durability and resistance to environmental conditions, ensuring long-lasting performance even in the most demanding working conditions. Unit description: With a robust stainless steel construction, our cabin washer is corrosion resistant and provides long-lasting performance even in harsh environments. Equipped with advanced pressure technology, it provides effective removal of dirt, oil, grease and other contaminants from a variety of surfaces. Our cabin pressure washer is an essential tool for businesses that value cleanliness, efficiency and reliability. It will make cleaning tasks easier, faster and more efficient, resulting in customer satisfaction and improved productivity. Cleaning takes place in a closed circuit, using a washing liquid heated to as much as 70 degrees Celsius. The product is discharged from the gun nozzle at a pressure of up to 8 bar, thus thoroughly cleaning hard-to-reach areas and heavily soiled parts of scale, grease or oil. Both the temperature and the fluid increase cleaning efficiency. It has adjustable, level feet. The washer is equipped with a dual-function gun from which either air alone or air with detergent can be discharged. This allows the washed object to be dried with compressed air. Using a cabin pressure washer made of stainless steel has many advantages, including: 1. thanks to the high water pressure combined with detergents, the washer removes even the most stubborn dirt such as oil, grease and rust, ensuring clean and shiny surfaces. 2. the cabin washer enables larger surfaces to be cleaned quickly and effectively in less time than traditional manual cleaning methods. 3. with different pressure setting options, the washer can be adapted to different types of surfaces and types of dirt, making it a versatile cleaning tool. 4. made from high quality stainless steel, the washer is corrosion and damage resistant, ensuring a long service life and minimising the need for maintenance. 5. the cabin washer is easy to operate, allowing operators to quickly learn how to use it and achieve professional results without lengthy training. Kedpfeuc Tpysx Acwodw 6. with its fast and effective cleaning, the cabin washer contributes to increased productivity, which can lead to time and cost savings for the company. Using a cabin pressure washer is not only an investment in cleanliness, but also in efficiency and durability, which translates into benefits for both companies and individual users. Parameters of the MP180 pressure washer: Washer capacity 180 litres Frequency 50 Hz Weight 56 kg Voltage 230 V Height with legs 1450 mm Height without legs 920 mm Internal width 740 mm Internal height (to open lid) 410 mm Internal depth 500 mm Loading height 360 mm Loading width 700 mm

Condition: new, distance between stands: 2,000 mm, stroke length: 400 mm, - Capacity 100 tons - Cylinder stroke 400 mm - Working width 2000 mm - Electric or manual operation Kdsdpfx Aewbutuscwew - Pressure gauge - Emergency stop - 400 V

Condition: new, Bernardo workshop press 20 WK FH Pro Technical specifications Pressure force 20 to Piston stroke 185 mm Table width 170 mm Passage (S) 510 mm Through (F) 130 mm Distance from cylinder - table (F1) 40 mm Distance from cylinder - table (F2) 965 mm Cylinder movable (M) 175 mm Width (A) 730 mm (B) depth 560 mm 1 (C) height 1525 mm Height 1630 mm 2 (D) Weight approx. 112 kg Kdsdpfed Du T Rjx Acwjw Properties • Fitted with sliding left and right cylinders • To align, presses, bending, assembling gears, disks, etc. • Fitted with foot pedal and hydraulic • hand pump for delivering piston • Standard Edition Prism to shaft alignment • Standard equipment with automatic piston return through integrated return spring • Height-adjustable table with locking bolts • Large dimensioned pressure gauge to read pressure • including two-stage hydraulic pump • Sturdy construction with welded steel frame

Condition: new, Compressive force: 30 to Piston stroke: 150 mm table width: 185 mm passage (E): 535 mm passage (F): 140 mm distance cylinder - table (F1): 40 mm distance cylinder - table (F2): 1100 mm cylinder movable (M): 200 mm width (A): 800 mm depth (B): 700 mm Height 1 (C):1770 mm height 2 (D): 1800 mm Weight: approx. 168 kg Equipment: - Two adjustable speeds for piston feed by means of hydraulic pump. Kdedpfx Aob Ibdlecwsw - Powerful workshop presses for craftsmen and repair shops - Optimal price-performance ratio due to rational design - The standard foot pedal leaves the hands free for the workpiece - Increased range of application due to the optionally available pressure mandrel set (10 pcs.). - Pressure cylinder with integrated return spring for piston retraction - Welded steel frame for heavy duty and high stability - Versatile use due to pressure cylinder that can be moved to the left and right

Year of construction: 2024, condition: used, We are selling our workshop heater, which we have been using for about 1.5 years. The oven comes with a chimney pipe, as well as approximately 20 meters of ducting for warm air distribution. The unit is in good condition. Kdjdpfx Acsxgf Scjwew Please note: collection and disassembly by the buyer only. If interested, please get in touch — we look forward to hearing from you! Technical specifications for the heater are as follows: — Nominal heat output: 30.00 kW — Maximum heat output: 35.00 kW / approx. 400 m² — Supplied with axial fan: Speed 1380 rpm, air flow: 4650 m³/h — Supplied with SCL-1515 fan control unit — Innovative air jacket design completely surrounding the combustion chamber for maximum efficiency — Durable combustion chamber, made entirely of certified boiler plate steel (16M06 #6mm thick) — Large flue which reduces fuel consumption by up to 30% — Energy efficiency class: A — Energy efficiency index: 110 — Net weight: 260 kg — Gross weight: 290 kg — Grate: 1000 x 250 mm — Coated with certified heat-resistant paint for corrosion protection and attractive appearance — Solid construction — High-performance combustion chamber (100 x 55 cm) — Large loading door — User manual included — Efficiency: 72.00% — CO emission at 13% O₂: 1.20 m — Recommended fuel: seasoned hardwood with moisture content ≤20%* mg/Nm³, briquettes, coal (up to 10%) Dimensions: — External dimensions (W x D x H): 650 mm x 1350 mm x 920 mm — Firebox dimensions (W x L x H): 550 mm x 1000 mm x 450 mm — Upper door (3 and 4 mm steel plate): 410 mm x 340 mm — Lower door (3 and 4 mm steel plate): 410 mm x 150 mm — Upper loading aperture: 320 mm x 320 mm — Lower opening: 320 mm x 130 mm — Grate: Width 250 mm x Depth 1000 mm — Hot air outlet diameter: Ø 150 mm — Flue gas outlet diameter: Ø 150 mm — Leg height: 140 mm

Condition: as good as new (ex-display), Year of construction: 2025, Workshop press 150to pressing force as straightening press Clear width 2100mm Kodokw N Uxepfx Acwsdw stroke 600mm Installation height 1200 Digital scale

Condition: excellent (used), Two Digital Calipers Digital lightweight caliper, Garant 800, identical to Mahr MarCal ESA 800, measuring range 800mm, with wooden case Digital caliper Mitutoyo 700-111, measuring range 150mm The batteries have been replaced or are in good condition. The measuring tools can be demonstrated on-site by appointment. We only offer machines that are available and ready for demonstration in our warehouse – see “more offers from this seller.” Kjdpfx Acsw Tcvyjwedw

Condition: new, Year of construction: 2025, pressing force: 150 t, stroke length: 400 mm, - Capacity 150 tons - Cylinder stroke 400 mm - Working width 1250 mm - Cylinder can be moved to the left and right - Electrically or manually operated - pressure gauge - Emergency stop Kodpou H Rk Sofx Acwsdw - 400V

Condition: new, Year of construction: 2025, VIBER-SYSTEM WP100 Hydraulic Press Kodpfsxdb Insx Acwjdw Pressing force: 100 tons Piston stroke: 279.4 mm Working range (height): 101.6 – 1016 mm Working width: 812.8 mm Working pressure: 6.9 – 8.6 bar (100 – 125 PSI) Air connection: 1/4″ Operation type: Manual-pneumatic Dimensions (L × W × H): approx. 1092 × 991 × 1905 mm Net weight: 520 kg Gross weight (with packaging): 555 kg Structural element thickness: Frame: 15 mm, Table: 20 mm, Prism: 30 mm

Condition: new, Powerful hydraulic workshop press with movable cylinder (via handwheel), ideal for large and heavy workpieces. Picture shows WHP 160 Technical data: Kdedpfx Ajp Dt Uuecwsw Capacity: 250 t Installation height: 900 mm Working area, max.: 1300 x 450 mm Piston stroke: 400 mm Forward speed: 8.58 mm/s Return speed: 13.03 mm/s Motor power: 15 kW Width: 2450 mm Depth: 1200 mm Height: 2650 mm Weight, approx.: 3100 kg Equipment: - Laterally movable cylinder via rack, pinion and handwheel - Generous working area - Height-adjustable table - Torsion-resistant design with welded steel - Pressure gauge - Fine pressure adjustment - Additional hand pump Your advantages: - One of the heaviest versions on the market - Available with tonnages of up to 500 tons - Maximum performance and stability - Different upright widths available on request - Horizontally freely positionable hydraulic cylinder, handwheel, rack and pinion (from 160 tons) Available with special equipment: - Fine pressure adjustment - SPS control - Working plate with T-slots for fixing irregularly shaped components - Lateral hydraulic cylinder adjustment

Condition: good (used), functionality: fully functional, type of input current: AC, input voltage: 240 V, input frequency: 60 Hz, Used Keyence Digital microscope VHX 600E set in flightcase Manufacturer: Keyence Model: VHX 600 E Voltage: 100-240 VAC (50/60 Hz) Kdjdpev Dh Ryefx Acwow Set consisting of; – Digital microscope computer + power cable – Digital camera – Lens – Camera holder + mount – Keyboard + mouse – Console controller – Flightcase

Condition: new, Year of construction: 2025, overall weight: 230 kg, water tank capacity: 110 l, Workshop Cabin Washer, constructed from stainless steel AISI 304 and acid-resistant steel AISI 316, designed for professional use in various industries and automotive applications. It is used to remove heavy dirt without damaging the surface of the cleaned element. Operates in a closed-loop system at temperatures up to 45°C. The working table width is 150 cm. The washer is equipped with a 110-liter tank that can be optionally thermally insulated to prevent the heated fluid from cooling too quickly. Cleaning efficiency is enhanced by our proprietary XPOWER Active Cleaner fluid, which, combined with the appropriate temperature and pressure from the spray gun nozzle, effortlessly removes all kinds of dirt. Standard equipment includes a high-pressure lance up to 140 bar, a compressed air gun, and a low-pressure overflow brush. The washer chamber is pneumatically lifted, with adjustable height, bright lighting, and air ventilation for the window to ensure user convenience. The design and construction of the Master Cleaner MC 1500 adhere to the highest quality standards, ISO 9001, and environmental protection standards, ISO 14001. It is ideal for removing dirt from steel, cast iron, and aluminum surfaces. The Master Cleaner MC1500 is equipped with a dedicated oil separator that effectively removes oil contaminants from the water in the washer’s tank. EQUIPMENT: - High-pressure nozzle: 140 bar - Low-pressure brush: up to 5 L/min - Compressed air gun: up to 8 bar - Air ventilation for the viewing window - LED lighting Kdodperi Rn Uefx Acwow - Pneumatic chamber opening mechanism - Heated 110-liter tank - Dual liquid filtration system - Oil separator - Liquid level and temperature sensors - Adjustable height feet: up to 100 mm - Dual foot switch - XPOWER Active Cleaner (5L starter pack) OPTIONAL FEATURES: - Rotating basket - Spray arm - Rotary nozzle - Manifold cleaning nozzle - Thermal insulation for the tank TECHNICAL SPECIFICATIONS: - Weight: 230 kg - External dimensions - Open chamber (W x D x H): 175 x 85 x 235 cm - External dimensions - Closed chamber (W x D x H): 175 x 85 x 170 cm - Chamber dimensions (W x D x H): 150 x 64 x 65 cm - Heated fluid tank: 110 liters - Operating temperature: up to 45°C - Power supply: 3 x 400 V - Pneumatic power supply: 6 - 8 bar - Maximum power: 7.5 kW - Operating pump pressure: 140 bar - Dual liquid filtration system: Yes - High-pressure lance capacity: up to 15 L/min - Air connection: Pneumatic quick coupling DN7.2 plug - Manual washing with overflow brush: up to 5 L/min - Dual foot switch: Yes - Safety features: temperature sensor, emergency safety switch, limit switch - Safety rating: IP 54 - Declaration of conformity: CE MULTIPLE MODELS AVAILABLE - CONTACT US TO LEARN MORE.

Condition: ready for operation (used), Enerpac RR5013 50 ton hydraulic press Workshop press Max. Operating pressure: 10,000 PSI Stroke: 330mm Kdsdpfx Aeu U H S Sjcwsw Compressive force: 50 tons Pressure Ø: 80mm Own weight: 670 kg You are welcome to come by for a viewing. We will be happy to arrange a cost-effective forwarding agent for you. organize! You will receive a proper invoice. A net invoice can also be issued for foreign customers. Prerequisite is a valid VAT number. Subject to prior sale. Visit our store and have a look at our other offers. Company names and trademarks are the property of their owners and are used only to identify and describe the products. Deviations from technical data and errors in the description of the article may occur and are reserved.

Condition: new, Year of construction: 2025, pressing force: 100 t, stroke length: 400 mm, - Capacity 100 tons - Cylinder stroke 400 mm - Working width 1000 mm - Cylinder can be moved to the left and right - Electrically or manually operated - pressure gauge - Emergency stop - 400V Kdjdpfxeuynpxo Acwow

Condition: good (used), Year of construction: 2000, Offer 24467 Technical data: Kdedpfxouzhmgo Acwew - max. pressing force 10 t - max. ram stroke approx. 550 mm - Tool mounting thread M 16 - Width of column approx. 1000 mm - Column depth approx. 500 mm - Min. / max. installation height 450 / 1350 mm - Table height adjustable - Space requirement approx. W 1600 x H 2650 x D 850 mm - Weight approx. 350 kg

Condition: used, This listing is for the Olympus CX31RBSF Microscope The unit is in full working condition and is ready for immediate use Overview The Olympus CX31RBSF is an upright, binocular compound biological microscope, part of Olympus’s CX series known for its durable, ergonomic design and high-quality optics tailored for educational and routine clinical use. Key Features & Specifications Optical System & Image Quality Utilizes the UIS 2 (Universal Infinity System) optical system, delivering bright, high-contrast images with excellent field flatness. Equipped with Planned Achromat (PLCN) objectives offering superior sharpness and clarity across the field of view. Features integrated anti-fungal treatment on optics to preserve performance in high-humidity environments. Kdsdpfx Asxhfd Iocwjw Optical Components Eyepieces: Wide‑field binocular type (Field Number = 20), with a 30° inclination and interpupillary adjustment between 48‑75 mm. Objectives (typical standard set): Plan Achromats at 4×, 10×, 40×, and optionally 100× oil immersion (in some configurations). Scribd Condenser: Built‑in Abbe condenser with NA of 1.25 (with oil immersion) and aperture iris diaphragm for precise illumination control. Illumination & Stage Comes with a built‑in Köhler illuminator using a 6 V, 30 W halogen bulb. Stage: Rackless design with a double-slide holder, complete with ergonomic tactile grips for smooth X‑Y movement; stage travel approx. 76 mm × 50 mm. Ergonomics & Build Quality Featuring a rigid Y-frame, low-positioned coaxial coarse/fine focusing knobs, and pre‑focus upper limit to prevent contact with slides. Integrated hand grips make transport within labs easy and safe. Some models in the CX31 line include tilting binocular tubes, though CX31RBSF is typically fixed Dimensions & Operating Conditions Approx. 233 mm (W) × 411 mm (H) × 367.5 mm (D), weighing around 7.7–8 kg. Designed for indoor use at altitudes up to 2000 m, ambient temperature range 5 °C to 40 °C, with humidity restrictions depending on temperature.

Condition: used, functionality: unexamined, input voltage: 220 V, Used Leitz Wetzlar Measuring microscope setup (UWM) with external XY readout and power supply for lighting. Manufacturer: Ernst Leitz GMBH Wetzlar Movement possibility on X and Y axis, and adjustable in height. Kodpfx Acswm Hqcswedw Camera can be added on top for making recordings. Digital readout X and Y axis by means of Sony Magnescale LH31A-2

Year of construction: 2025, condition: new, A workshop cabin washer made of stainless steel AISI 304 and acid-resistant AISI 316, designed for professional use in a broad range of industries and automotive applications. It operates in a closed-loop system at temperatures up to 45°C. Cleaning efficiency is enhanced by our proprietary XPOWER Active Cleaner fluid, which, in combination with the optimal temperature and pressure from the spray gun nozzle, easily removes all types of dirt. Standard equipment includes a compressed air gun and a low-pressure overflow brush. The washer is equipped with a 90-liter tank, a pneumatically lifted washing chamber, and adjustable height for user convenience. STANDARD EQUIPMENT: - High-pressure nozzle up to 140 bar - Low-pressure brush with 5 L/min flow rate - Compressed air gun up to 8 bar - Heated 90-liter fluid tank Kodogvaazspfx Acwsdw - LED lighting - Air blower for viewing window - Pneumatic chamber opening mechanism - Sensors for liquid level and temperature - Dual liquid filtration system - Integrated oil separator (effectively separates oil contamination from the water in the washer tank) - Dual foot-operated switches - Adjustable height feet with a range of up to 100 mm - Entirely made of stainless steel - Safety rating: IP 54 - XPOWER Active Cleaner fluid, 5L (two types available) OPTIONAL ADD-ONS FOR THE MASTER CLEANER MC1000: - Spray arm - Rotating basket - Rotary nozzle - Manifold cleaning nozzle - Tank insulation TECHNICAL SPECIFICATIONS: - External dimensions with open chamber (cm): 125 x 85 x 235 - External dimensions with closed chamber (cm): 125 x 85 x 170 - Chamber dimensions (cm): 100 x 64 x 74 - Power supply: 3 x 400 V - Pneumatic system pressure: 6 - 8 bar - Maximum power: 7.5 kW - Pump operating pressure: 140 bar - Fluid operating temperature: up to 45°C - Air connection: pneumatic quick coupling DN 7.2 plug - Safety features: temperature sensor, emergency safety switch, limit switch - Safety rating: IP 54 DIFFERENT MACHINE VARIANTS AVAILABLE CONTACT US TO LEARN MORE ABOUT THE OTHER MODELS.

Condition: new, Year of construction: 2024, flue capacity: 175 kW Conventional yeld capacity: 140 kW flue diameter: 200 mm hot air delivery pipes: 3 x 250 mm flue length: 950 mm oven width: 600 mm oven hight: 860 mm air flow: 6300 m³/h Kdjdpfsk Utrpsx Acwew power consumption: 8900 W aproximate surface to heat up: 2200 m³ area to be heated: 500/600 m² heater height without hot air conveying pipes: 2200 mm heater width: 930 mm heater length: 1700 mm weight: 615 kg

Condition: good (used), Year of construction: 2020, machine/vehicle number: 589025, Offer 25247 Technical specifications: - Max. pressing force: 50 t - Max. ram stroke: approx. 260 mm - Ram speed (fast): approx. 1540 mm/min Kdedpfx Aow Hxrxjcwow - Ram speed (slow): approx. 210 mm/min - Frame width: approx. 770 mm - Frame depth: approx. 195 mm - Min. / max. installation height: approx. 200 / 1100 mm - Table height adjustable in 5 positions with a spacing of approx. 180 mm - Support plate: approx. 450 x 450 mm - Table height adjustment by hand crank with wire rope - Drive: 400 V / 1.5 kW - Required space: approx. W 1750 x H 2100 x D 850 mm - Weight: approx. 600 kg

Condition: used, This listing is for the Hund Wetzlar H600/12 Microscope The unit is in full working condition and is ready for immediate use The Hund Wetzlar H‑600 series is a line of high-quality laboratory upright compound microscopes manufactured by Helmut Hund GmbH, a German optical instrument maker that later absorbed the traditions of Will Wetzlar—a well-respected older Wetzlar-based manufacturer These microscopes are tailored for laboratory, educational, clinical, and research use. They are known for their robust mechanical build, ergonomic design, and optical clarity—making them reliable and long-lasting instruments Key Features Across H‑600 Variants Here’s a breakdown of typical configurations and options in the H‑600 series: Feature Description Stand & Mechanics Solid cast‑iron tripod, coaxial coarse/fine focusing (fine ~2 µm), 160 × 130 mm mechanical stage, 5‑position ball‑bearing nosepiece . Optics & Contrast Methods Supports brightfield, darkfield, phase contrast, and select models include incident fluorescence illumination Tube & Eyepieces Binocular tube, typically 30° viewing angle, with wide-field eyepieces (e.g., 10×/18 or 10×/20) Kdedjxhfdzopfx Acwew Objectives Plan or achromatic objectives: 10×, 20×, 40× phase, and 100× oil immersion (numerical apertures e.g., 0.65, 1.25) Illumination Integrated 12 V / 30 W halogen lamp with continuous brightness control; some models also include HBO fluorescence or LED options Accessories Often include centering keys, filter sliders, spare bulbs/fuses, dust covers, and optional filters or conversion accessories .

Condition: used, This listing is for the Vickers Microplan 10X Microscope The unit is in full working condition and is ready for immediate use Description: Vickers Microplan 10× Microscope Objective This is an objective lens—part of a microscope optical system—rather than an entire microscope unit. The specific lens in question is marked "Vickers England MICROPLAN 10/0.25 + PH.1", indicating a 10× magnification and a numerical aperture (NA) of 0.25. The “PH.1” denotes that it includes phase-contrast capabilities Typical length around 37–39 mm, and weight in the range of 58–63 g Usage and Value Kdsdpfx Acsxhfduewew These objectives, with their phase-contrast capability, were designed to be used with microscopes that support such optical techniques. This objective would typically fit an RMS-threaded turret, common in Vickers, Cooke‑Baker, or similar stands The phase ring (PH.1) allows enhanced imaging of transparent specimens, by shifting phase differences into contrast—ideal for biology or unstained sample observation.