Chapter 4  Microscopy Techniques 
86 
Condenser lens 
Condenser lenses that allow Ph microscopy are as follows: 
 
 
 
 
 
LWD condenser lens  ELWD condenser lens  CLWD condenser lens  HNA condenser lens (dry)  HNA condenser lens (oil) 
 
 
Specifications and details of condenser lenses 
 
Condenser turret (system condenser)  HNA condenser slider 
LWD condenser 
lens 
ELWD condenser 
lens 
CLWD condenser 
lens 
HNA condenser 
lens (dry) 
HNA condenser 
lens (oil) 
NA  0.52 0.3  0.72 0.85 1.35 
Working 
distance 
30 mm  75 mm  13 mm  5 mm 
1.9 mm (including 
the glass slide 
thickness of 1.2 
mm) 
Ph code 
 
PhL, Ph1, Ph2, Ph3  PhL, Ph1, Ph2 
Ph1, Ph2, Ph3, 
Ph4 
PhL, Ph1, Ph2, 
Ph3 
Ph1, Ph2, Ph3, 
Ph4 
Other 
 
 
The TI2-C-CLWDA 
CLWD condenser 
adapter is required. 
The T-CHNA High 
N.A. common 
condenser lens unit 
is required. 
The T-CHNA High 
N.A. common 
condenser lens unit 
is required. 
 
 
 
  TE-C ELWD-S condenser 
Specifications of the ELWD-S condenser are as follows: NA 0.3, WD 65 mm 
 
 
  4.2.3    Combination of Optical Elements 
Combinations of the optical elements for Ph microscopy are listed below. 
Combination of the optical elements for Ph microscopy 
Objective Ph code  Condenser lens  Condenser module 
PhL 
ELWD condenser lens  TC-C-ME-PHL ELWD module 
LWD condenser lens  TC-C-ML-PHL LWD module 
Ph1 
ELWD condenser lens  TC-C-ME-PH1 ELWD module 
LWD condenser lens  TC-C-ML-PH1 LWD module 
CLWD condenser lens 
TI2-C-MC-PH1 CLWD Module for 
PH1 
HNA condenser lens (dry/oil)  Supplied with the condenser lens 
Ph2 
ELWD condenser lens  TC-C-ME-PH2 ELWD Module 
LWD condenser lens  TC-C-ML-PH2 LWD module 
CLWD condenser lens 
TI2-C-MC-PH2 CLWD Module for 
PH2 
Ph3 
LWD condenser lens  TC-C-ML-PH3 LWD Module 
CLWD condenser lens  TI2-C-MC-PH3 CLWD module 
Ph4*  CLWD condenser lens  TI2-C-MC-PH4 CLWD module 
 
* Ph4 is used for external Ph microscopy.