National Optical DC4-456H Digital Stereo Microscope

A very versatile stereoscope microscope that permits you to change from a widefield image at 10x magnification to the close-up detail of 30x magnification simply by rotating the objective turret. The extra rugged fixed-arm stand has both incidental and transmitted illumination. Built in high-resolution digital camera offers 3.0 megapixel live image resolution at 1280 x 1024.  Supplied with Motic Images software, which allows the user to view, capture, label, manipulate and measure images.  The microscope is fully functional, independent of the camera application.

OPTICAL SYSTEM

• Paired widefield eyepieces with diopter adjustment on left side. Interpupillary adjustment from 55mm to 75mm. Reticle holder/retainer accepts eyepiece reticle with 23mm O.D..
• Paired objectives are parfocalled, parcentered, achromatic.
• Magnification changed by rotating objective turret 90 degrees.
• Working distance: 75mm. Maximum specimen height: 35mm.

ILLUMINATION

• High intensity, built-in 12v 10 watt halogen, incidental illumination and 12v 10 watt tungsten, transmitted illumination.
• 12v DC power converter operates on 100v-240v 50Hz/60Hz current, without need of additional transformer.
• Separate base mounted switches control power on/off, top and bottom lights.  This permits use of top light only, bottom light only, or top and bottom lights together.

FOCUSING

• Rack and pinion focusing has slip clutch to protect mechanism against over-turning, and special tension adjustment.

STAGE

• Supplied with two 80mm stage plates, one frosted glass plate and one plastic black/white reversible contrast plate.
• Two locked-on stage clips.

FRAME

• Rugged cast metal frame, grey enamel finish.
• Height: 310mm (12-1/4 in.) extends to 345mm (13-5/8) for larger objects.
• Base width: 115mm (4-1/2 in.), Base depth: 197mm (7-3/4 in.)
• Net wt. 2.5 kgs (5.5 lbs)

ACCESSORIES

• Calibration slide.
• "L" hex-key wrench.

WARRANTY

• Lifetime limited warranty, on microscope portion, excluding bulbs, camera, and cords.
• Camera warranty: 1 year.