PASCO SE-9013 User Manual
Instruction Sheet
for the PASCO
Model SE-9013
012 - 04700A
7/91
Instruction Sheet
for the PASCO
Model SE-9013
012 - 04700A
7/91
GROUND GLASS LENSES
(set of six)
1
1
Double Convex, F.L. 167 mm
2
Plane Convex, F.L. 333 mm
3
Concave/convex, F.L. 500 mm
2
This set of six ground glass lenses provides a useful range of focal lengths for demonstrations 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.
A'
B'
Virtual
Image
1
1
FF
2
2
Double Convex
B'
A'
Image
A
B
Object
Lens
Lens
Concave/convex lens
helps to increase
convexity of lens of eye
Concave/ Convex
Object
3
4 5 6
4
Double Concave, F.L. -167 mm
5
Plane Concave, F.L. -333 mm
6
Convex/concave, F.L. -500 mm
A
A'
F
B'
B
Object
Virtual
Image
Lens
F
Double Concave
Lens
A
B
Image
B'
A'
Convex/concave lens
partially neutralizes
lens of eye
A
Object
B
Convex/ Concave
GROUND GLASS LENSES
(set of six)
1
1
Double Convex, F.L. 167 mm
2
Plane Convex, F.L. 333 mm
3
Concave/convex, F.L. 500 mm
2
This set of six ground glass lenses provides a useful range of focal lengths for demonstrations 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.
A'
B'
Virtual
Image
1
1
FF
2
2
Double Convex
B'
A'
Image
A
B
Object
Lens
Lens
Concave/convex lens
helps to increase
convexity of lens of eye
Concave/ Convex
Object
3
4 5 6
4
Double Concave, F.L. -167 mm
5
Plane Concave, F.L. -333 mm
6
Convex/concave, F.L. -500 mm
A
A'
F
B'
B
Object
Virtual
Image
Lens
F
Double Concave
Lens
A
B
Image
B'
A'
Convex/concave lens
partially neutralizes
lens of eye
A
Object
B
Convex/ Concave
PASCO
scientific
P H Y S I C S A P P A R A T U S
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
10101 Foothills Blvd. • P. O. Box 619011 • Roseville, CA 95661-9011 USA
Phone (916)786-3800 • FAX (916)786-890 • TWX 910-383-2040
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