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XDS-2FL is a routine inverted epifluorescence microscope. The basic structure is dedicated to the most demanding applications of routine fluorescence analysis. XDS-2FL offers, in the same unit, brightfield and phase contrast capabilities, thus extending its potentials to most multicontrast applications. The epifluorescence optical system is implemented via the standard excitation filter-dichroic mirror-barrier filter combination, applied to a 100W Hg lamp. It is supplied with EWF10x/22mm extra-widefield eyepieces, long working distance IOS objectives, and a double filterblock set (blue and green excitation).
The extensive range of optional accessories allows a quick interchange of contrast mechanisms, and it is optimized for multi-contrast observation without removal of the specimen
from the stage.XDS-2 is comfortable for the operator. The 22 mm extra-wide field is pleasant to use, and minimizes operator stress.
The special eyepieces are designed for eyeglass wearers. Every control is easy to reach, every component has been designed with ease of use in mind. The focussing and specimen
translation controls are designed to allow to rest the wrists on the table.
The brightfield light intensity regulation is placed very close to the focussing knobs.
The specimen stage is fitted with a special glass insert, that allows to see the objectives, for immediate identification of the magnification setup. The head implements an
extremely innovative design, that permits adjustment to compensate for operator height.
Optical system: Infinity corrected system, 45 mm parafocality distance. Field of view 22 mm.
Head Trinocular: 30° inclined, 360° rotating. Interpupillary distance: 48 - 75 mm. Adjustable dioptric compensation. Ergonomical head available as option.
Eyepieces: Extra-wide field EWF10x/22mm, High point..
Nosepiece: 5 positions, with bidirectional rotation on ball bearings and click stop.
Objectives: Long working distance (LWD) infinity corrected (IOS) planachromatic: 4X/0.10 (working distance 18 mm), 10X0.25 with phase ring (working distance 10 mm), 20X/0.40 with phase ring (working distance 5.1 mm), 40X/0.60 (working distance 2.6 mm). Corrected for 1.2 mm coverglass).
Specimen stage Size: 250 x 230 mm. Translator with lowered ergonomic coaxial controls. X-Y translation: 119 x 70 mm. Interchangeable metallic inserts for specimen slides, Petri dishes and flasks.
Focusing system: Macro- and micrometric regulation, with coaxial knobs on both sides of the stand. Adjustable friction.
Condenser: Long working distance condenser, numerical aperture 0.30, working distance 72 mm. The condenser can be removed in order to increase the working distance to 150 mm.
Illumination: 6V / 30W halogen precentered illuminator, with adjustable intensity, filter and phase ring holder and field diaphragm. Inverted epifluorescence: HBO 100W high pressure mercury bulb, knobs for lamp alignment.
Filtersets Blue and Green fluorescence filtersets. No other as option