Home Products Service View Cart Checkout
Contract Pricing Policies Empty Cart Review Orders
National 138 Series  
National 138 microscope.
Model 138		 National’s most popular microscope is now enhanced with fluorescent illumination. This illumination delivers higher light efficiency than a standard 20W Tungsten bulb, and cool operating temperature prolongs specimen life. Standard features include:
  • Widefield 10X eyepiece with pointer.
  • DIN 4X, 10X, 40XR achromatic objectives.
  • Built-in cool burning illuminator.
  • Disc diaphragm — 5 hole.
  • 45° inclined viewing head.
  • Low position coarse and fine focus.
  • 0.65 NA condenser.
  • Limited Lifetime Warranty.
138 SERIES
Catalog No. Head Eyepiece DIN Objectives Illumination  
138 Monocular 10X Widefield DIN 4X, 10X, 40XR 5W Fluorescent
$199.00
139 Dual Viewing 10X Widefield (2) DIN 4X, 10X, 40XR 5W Fluorescent
$275.00

Accessories:
#800-138 Replacement Bulb
$9.50
#910 Mechanical Stage
$30.00