Edmund Optics® uses own and third party cookies to optimize the technical service features of our website. Find out how we use cookies.

  • My Account
  •   
See all 9 Products in Family

21mm EFL Unmounted, RKE Precision Eyepiece

Stock #66-210
€85.00
Qty 1-24
€85.00
Qty 25-49
€63.75
Qty 50+
Request a Quote
Type:
Unmounted
Effective Focal Length EFL (mm):
21.00
Apparent Field (°):
45.00
Back Focal Length BFL (mm):
11.73
Distortion (%):
5 (Specified @ 0.7 Field)
Eye Relief (mm):
18.80
Field Stop Diameter (mm):
17.3
Housing Length (mm):
N/A
Lateral Color, 0.7 Field :
0.014
Manufacturer:
EO
Reticle Adaptable:
N/A
Spot Size (μm):
3/12 (On-Axis/0.7 Field)
Total Length, Glass Only (mm):
16.69
RoHS:
Exempt
×

Product Family Description

  • Full Prescription Data Available
  • Long Eye Relief
  • Apparent Field of 45°

The RKE® line of eyepieces is one of our most popular designs. Originally produced for telescope use, over time they have proven useful in a wide variety of industrial and medical applications. In addition, to help customers take advantage of the powerful current optical design software, we are pleased to forward full prescription data for these eyepieces.

Prescription information available upon request. Please complete a Request for Prescription Form.

Unmounted RKE Eyepieces include the eye Lens, field Lens, and black anodized spacer between the 2 lenses. Unmounted configurations are designed to provide OEMs with the components required to integrate these eyepieces into customer-designed applications.

Need a Quote?

Edmund Optics Facebook Edmund Optics Twitter Edmund Optics YouTube Edmund Optics LinkedIn Edmund Optics Google+ Edmund Optics Instagram



×