EPI-BRIGHTFIELD / DARKFIELD / POLARIZATION (EA-5) ATTACHMENT

ea5.jpg (14774 bytes) The attachment incorporates an Optical Path Selector (OPS), which controls a sliding semi-reflective mirror, and an aperture diaphragm. For contrast enhancement, two filter slots accept the three included filters (green, blue and yellow]. An analyzer and polarizer are also included. For the most light-demanding Darkfield studies, a centerable 6V/15W halogen bulb provides bright, uniform illumination, while an external power supply unit ensures continuous intensity control. Only ordered as an Upgrade Package (UP-EA5), the EA-5 comes with five objectives and two spare bulbs in a wooden box.

The EA-5 Epi-lllumination attachment is used with high-performance Achromatic Epi-Objectives able to act as their own Darkfield or Brightfield condenser, therefore allowing quick change between contrast techniques. The revolving nosepiece slides out and one of the five included objectives screws in.

EA-5 attachment shown installed on BMH4-BF microscope. 
All accessories shown are included

 

Objectives for EA-5 Epi-lllumination Attachment (Mechanical Tube Length: 190mm)
Type Magnification Field Flatness Numerical Aperture Working Distance (mm) Contrast Technique
Epi- BF Epi- DF Epi- POL
Epi-Achromats Dry 10X Flat Field 0.20 5.40
20X Flat Field 0.40 1.80
40X Flat Field 0.65 0.61
95X Flat Field 1.00 0.41
Achromats Oil Immersion 95X Flat Field 1.25 0.06    

Application:


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