Delphi-X Reverse DI.2053‑PLMi

Inverted trinocular metallurgical microscope with DIC

HWF 10x/22 mm eyepieces

Trinocular head with 45° inclined tubes, 100:0 / 20:80 / 0:100 beam splitters and built-in Bertrand lens

Interpupillary distance: 47–78 mm

Dioptre adjustment on both eyepieces

Inverted sextuple nosepiece on ball bearings

Plan Semi-Apochromatic PL-SAMi 5x/0.15, 10x/0.30 and 20x/0.40 objectives, plus Plan Apochromatic PLAMi 50x/0.80 IOS infinity-corrected objectives for brightfield/darkfield; 45 mm parfocal; no cover-glass correction; M25 thread

DIC set for Delphi-X Inverso Materials Science models, including two DIC prisms and one DIC analyser for 5x and 20x objectives

All optics are antifungal-treated and anti-reflection coated for maximum light transmission

340 x 230 mm stage with 130 x 85 mm X-Y mechanical stage

Coaxial coarse and fine focusing with 200 graduations; 1 µm precision, 0.2 mm per rotation and approximately 10 mm total travel

Six-position multifunction wheel supplied with two brightfield filter cubes, one darkfield cube and one polarising cube. Slider with prisms for 5x/20x and 50x/100x magnifications, plus an analyser slider

Lens changer with 1.5x magnifying lens for intermediate magnifications without refocusing

Adjustable 100 W transmitted halogen illumination with internal 100–240 V power supply; 5 A / 250 V fuse holder (CE)