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801/MO LENSES: DOUBLE CONCAVE (BI-CONCAVE) Spherical.
Highly polished and well edged made from plate glass.

Focal Length cm Dia - 38mm Dia - 50mm Dia - 60mm Dia - 75mm Dia - 100mm
5      
10  
15  
20  
25  
30  
40  
50  
100  

802/MO DOUBLE CONVEX (BI - CONVEX) Spherical
Highly polished and well edged made from plate glass. 

Focal Length cm Dia - 38mm Dia - 50mm Dia - 60mm Dia - 75mm Dia - 100mm
5      
10
15  
20  
25  
30  
40  
50  
100  

803/MO LENSES : DOUBLE CONCAVE (BI- CONCAVE), White glass
Spherical, highly polished and well edged, made from extra white glass. Dia - 50 mm.
Focal length 5 - 10 - 15 - 20 - 25 - 30 - 40 - 50 - 100 cm

804/MO LENSES : DOUBLE CONVEX (BI- CONVEX), White glass
Spherical, highly polished and well edged,made from extra white glass. Dia - 50 mm.
Focal length 5 - 10 - 15 - 20 - 25 - 30 - 40 - 50 - 100 cm

806/MO LENSES: FOR NEWTON'S RINGS EXPERIMENT
Consisting of one flat glass plate and one plano convex lens of focal length 100 cm or 200 cm. with lenses made from

    Dia - 50mm Dia - 60mm Dia - 75mm
A) Greenish glass
B) White glass

807/MO LENSES : CONDENSAR
Plano Convex Lenses for Magic lanterns and Photographic enlargers.

Dia Approx. mm Focal Length cm
100 15
100 20
112 15
112 20
125 15 - 18
125 20
150 25
150 30
200 50


808/MO LENSES : CYLINDRICAL
Plano convex lens having one flat surface and one spherical with positive focal length, manufactured from tint plate glass as well as from white glass.
a) Plano Convex 
          Diameter 50 x 50 mm , 50 x 45 mm
          F.L : 6 cm, 7.5cm, 10 cm, 15 cm
b) Plano Concave
          Diameter :50 x 50 mm, 50 x 45 mm
          F.L : 6 cm,15 cm, 30 cm
c) Biconvex
          Diameter :50 x 50 mm, 50 x 45 mm
          F.L : 7.5 cm, 15 cm, 20 cm
D) Biconcave 
          Diameter :50 x 50 mm, 50 x 45 mm 
          F.L : 7 cm, 15 cm , 20 cm

809/MO LENSES : DEMONSTRATION
Set of six lenses. Dia 50 mm, 38 mm. Consisting of one lens each of, 
Double Convex ( + 2.5D / + 2.5D ), 
Plano Convex ( 0 / + 5D ), 
Concavo Convex ( -20 / +5D ),
Double Concave ( - 2.5D / -2.5D ),
Plano Concave ( 0 / -5D ) and
Convexo Concave ( + 2D / -5D ),
Packed in a velvet lined case.

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