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爱特蒙特光学RKE® 精密目镜
RKE Precision Eyepiece
商品货号:ECS001970
商品品牌:Edmund
详细介绍
  • Full Prescription Data Available
  • Long Eye Relief
  • Apparent Field of 45°
  • Available in Quantity Without Housing

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.

Note: All specifications presented in the matrix below have been calculated using prescription data only. Real performance will vary according to manufacturing tolerances. Spot Size at 0.7 Field calculated for best focus weighted evenly at 0 and 0.7 fields of view.

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商品名称
8mm EFL RKE Precision Eyepiece  
Effective Focal Length EFL (mm) 8.0
Back Focal Length BFL (mm) 3.83
Eye Relief (mm) 8.20
Field Stop Diameter (mm) 6.6
Apparent Field (°) 45
Distortion (%) 10 (Specified @ 0.7 Field)
Spot Size (μm) 6/7 (On-Axis/0.7 Field)
Lateral Color, 0.7 Field  0.016
Total Length, Glass Only (mm) 6.57
Total Length (mm) 37.3
Reticle Adaptable No
RoHS Exempt 
 
12mm EFL RKE Precision Eyepiece 
Effective Focal Length EFL (mm) 12.0
Back Focal Length BFL (mm) 5.81
Eye Relief (mm) 10.70
Field Stop Diameter (mm) 9.7
Apparent Field (°) 45
Distortion (%) 5 (Specified @ 0.7 Field)
Spot Size (μm) 4/13 (On-Axis/0.7 Field)
Lateral Color, 0.7 Field  0.016
Total Length, Glass Only (mm) 10.43
Total Length (mm) 43.7
Reticle Adaptable Yes
RoHS Exempt 
 
15mm EFL RKE Precision Eyepiece 
Effective Focal Length EFL (mm) 15.0
Back Focal Length BFL (mm) 7.29
Eye Relief (mm) 13.40
Field Stop Diameter (mm) 11.9
Apparent Field (°) 45
Distortion (%) 5 (Specified @ 0.7 Field)
Spot Size (μm) 4/13 (On-Axis/0.7 Field)
Lateral Color, 0.7 Field  0.016
Total Length, Glass Only (mm) 13.02
Total Length (mm) 49.4
Reticle Adaptable Yes
RoHS Exempt 
 
21mm EFL RKE Precision Eyepiece    
Effective Focal Length EFL (mm) 21.5
Back Focal Length BFL (mm) 11.73
Eye Relief (mm) 18.80
Field Stop Diameter (mm) 17.3
Apparent Field (°) 45
Distortion (%) 5 (Specified @ 0.7 Field)
Spot Size (μm) 3/12 (On-Axis/0.7 Field)
Lateral Color, 0.7 Field  0.014
Total Length, Glass Only (mm) 16.69
Total Length (mm) 53.5
Reticle Adaptable Yes
RoHS Exempt 
 
28mm EFL RKE Precision Eyepiece 
Effective Focal Length EFL (mm) 28.7
Back Focal Length BFL (mm) 15.67
Eye Relief (mm) 24.5
Field Stop Diameter (mm) 23.3
Apparent Field (°) 45
Distortion (%) 5 (Specified @ 0.7 Field)
Spot Size (μm) 3/13 (On-Axis/0.7 Field)
Lateral Color, 0.7 Field  0.018
Total Length, Glass Only (mm) 22.34
Total Length (mm) 59.0
Reticle Adaptable Yes
RoHS Exempt 

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