PASCO SE-9013 GROUND GLASS LENSES User Manual
Pasco, Scientific, Ground glass lenses
Instruction Sheet
for the PASCO
Model SE-9013
012 - 04700A
7/91
10101 Foothills Blvd. • P. O. Box 619011 • Roseville, CA 95661-9011 USA
Phone (916)786-3800 • FAX (916)786-890 • TWX 910-383-2040
PASCO
scientific
P H Y S I C S A P P A R A T U S
GROUND GLASS LENSES
(set of six)
B'
Virtual
Image
A'
A
B
F
F
1
1
2
2
B
A
F
F
A'
B'
B'
A'
Lens
A
B
Object
Lens
Object
A
B
A'
B'
Image
Image
Convex/ Concave
Double Concave
Double Convex
Concave/ Convex
Concave/convex lens
helps to increase
convexity of lens of eye
Object
Object
Virtual
Image
Lens
Convex/concave lens
partially neutralizes
lens of eye
Lens
1
2
4
5
6
Double Concave, F.L. -167 mm
Plane Concave, F.L. -333 mm
Convex/concave, F.L. -500 mm
1
2
3
Double Convex, F.L. 167 mm
Plane Convex, F.L. 333 mm
Concave/convex, F.L. 500 mm
This set of six ground glass lenses provides a useful range of focal lengths for demonstra-
tions and experiments. Each lens is 50 mm in diameter. The diagram above illustrates the
geometry of each lens as well as the focal length. The diagrams below illustrate imaging
effects of four of the lenses.
4
5
6
3
Instruction Sheet
for the PASCO
Model SE-9013
012 - 04700A
7/91
10101 Foothills Blvd. • P. O. Box 619011 • Roseville, CA 95661-9011 USA
Phone (916)786-3800 • FAX (916)786-890 • TWX 910-383-2040
PASCO
scientific
P H Y S I C S A P P A R A T U S
GROUND GLASS LENSES
(set of six)
B'
Virtual
Image
A'
A
B
F
F
1
1
2
2
B
A
F
F
A'
B'
B'
A'
Lens
A
B
Object
Lens
Object
A
B
A'
B'
Image
Image
Convex/ Concave
Double Concave
Double Convex
Concave/ Convex
Concave/convex lens
helps to increase
convexity of lens of eye
Object
Object
Virtual
Image
Lens
Convex/concave lens
partially neutralizes
lens of eye
Lens
1
2
4
5
6
Double Concave, F.L. -167 mm
Plane Concave, F.L. -333 mm
Convex/concave, F.L. -500 mm
1
2
3
Double Convex, F.L. 167 mm
Plane Convex, F.L. 333 mm
Concave/convex, F.L. 500 mm
This set of six ground glass lenses provides a useful range of focal lengths for demonstra-
tions and experiments. Each lens is 50 mm in diameter. The diagram above illustrates the
geometry of each lens as well as the focal length. The diagrams below illustrate imaging
effects of four of the lenses.
4
5
6
3