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Pinhole Viewer

Model No. OS-9498

Table of Contents

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Equipment Setup  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Activity 1:

Examining the Relationship between Image Distance and Object Distance  . . . . . . . . . . . 4

Activity 2:

Examining the Relationship between Pinhole Size and Image Focus. . . . . . . . . . . . . . . . . 5

Activity 3:

Examining the Relationship between the Number of Pinholes and the Image. . . . . . . . . . 6

Activity 4:

Verifying the Magnification Equation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Activity 5:

The Purpose of a Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 9

Activity 6:

The Purpose of a Pinhole. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Technical Support  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Copyright and Warranty Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Summary of Contents for OS-9498

Page 1: ...Instruction Manual No 012 08952A Pinhole Viewer OS 9498 Instructions Experiments...

Page 2: ...ce 4 Activity 2 Examining the Relationship between Pinhole Size and Image Focus 5 Activity 3 Examining the Relationship between the Number of Pinholes and the Image 6 Activity 4 Verifying the Magnific...

Page 3: ...ter tube 37 cm long X 11 cm diameter 4 part of assembly 003 08951 2 Inner tube with translucent screen 4 part of assembly 003 08951 3 Foil circle 100 003 08928 4 O ring 20 638 027 Additional Equipment...

Page 4: ...ality To study these relationships students point the Pinhole Viewer toward a luminous or highly illuminated object An image of the object appears on the translucent screen A convenient metric scale o...

Page 5: ...e screen end of the inner tube into the open end of the outer tube until the metric scale reads 5 cm 5 Point the Pinhole Viewer at the desired object 6 Look through the open end to observe the image 7...

Page 6: ...hole Viewer 5 Being careful not to change the image distance move the Pinhole Viewer to a location where the height of the bulb s image is the same as the height of the screen Have a lab partner measu...

Page 7: ...discernible shape 3 some blur can see lines and circle but appear fuzzy and 5 excellent focus lines very clear and good contrast 4 With a push pin triple the size of the pinhole Record the focus level...

Page 8: ...e 3 Turn on the incandescent bulb Turn off the room lights 4 Hold the Pinhole Viewer parallel to the tabletop 5 Observe the image on the screen and record your observations 6 Rotate the Screen counter...

Page 9: ...ge the image distance move the Pinhole Viewer to a location where the height of the bulb s image is the same as the height of the screen 6 Have a lab partner measure the distance from the pinhole to t...

Page 10: ...tice 2 Draw ray diagrams with i o di and do appropriately labeled for the 6 0 cm image distance and the 20 0 cm image distance 3 Using the two ray diagrams from the previous question explain why the p...

Page 11: ...ulb Turn off the room lights 3 Hold the Pinhole Viewer parallel to the tabletop Observe the image of the bulb through the Pinole Viewer 4 Remove the outer tube and observe the image without the pinhol...

Page 12: ...bulb Turn off the room lights 3 Hold the Pinhole Viewer parallel to the tabletop Observe the image of the bulb through the Pinole Viewer 4 Remove the inner tube and observe the image without the scree...

Page 13: ...iewer Instruction Manual is copyrighted and all rights reserved However permission is granted to non profit educational institutions for reproduction of any part of this manual providing the reproduct...

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