A37 Series Ringlight

  • A37 Series

Dolan-Jenner's ring lights provide excellent uniformity, intense shadow-free on-axis lighting and are especially useful when imaging or inspecting highly reflective objects. This ring light Illumination Systems provide high intensity illumination at the highest magnification and long working distances without light adjustment when refocusing or when zoom features are used. The fiber optic system will eliminate the clutter and head radiation of multiple conventional Light sources.

Product Description

The A37 series fiber optic output is an annular (ring) configuration supplying 360 degrees of brilliant, oblique and even cross-illumination directed toward the optical axis at working distances from 1.5 to 9.0 inches (4-23cm). Fits objective lenses 50mm-60mm diameter.

To further reduce specular reflections from shiny surfaces, ring lights can be used in combination with a polarizer and analyzer.






Product Specs
  • Fiber Material: Borosilicate Glass
  • Numerical Aperture: 0.55 nominal
  • Acceptance (cone) Angle: 68 degrees nominal
  • Fiber Bundle Diameter: 0.364”
  • Temperature Rating: 225°F
  • Packing Fraction: 82% nominal
  • Sheathing Material: Flexible PVC Coated Metal Hose
  • Bend Radius: 3.0”
  • Ring Light Head Housing Material: Durable Lightweight ABS Plastic
  • Input End Ferrule Material: 303 Stainless Steel
  • Mounting Type: 3 No-mar Thumbscrews
  • RoHS: Non Applicable
  • Accessories (Optional): A37P-PLZ Analyzer Polarizer
  • Warranty: 12 Months

Glass Fiber Spectral Curve .55 NA


Mi-LED Illuminator



LH-759 Lens

Combination Gooseneck