Thames & Kosmos Scope Constructor handleiding

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Thames & Kosmos

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Handleiding

33 34

3 4 5

39 40

x1 x1

x2 x2 x2x8

(Step 2)

Model 2-1, 2-2, 4-1, 4-2

Model 3,7,8: +300mm凸透鏡

Model 4: +170mm凸透鏡

Model 3,4: +40mm凸透鏡

Model 7,8: - 40mm凹透鏡

Model 5: +300mm凸透鏡

Model 6: +170mm凸透鏡

Model 5,6: +40mm凸透鏡x2

(Step 2)

Model 2-1, 2-2, 4-1, 4-2

Model 3,7,8: +300mm凸透鏡

Model 4: +170mm凸透鏡

Model 3,4: +40mm凸透鏡

Model 7,8: - 40mm凹透鏡

Model 5: +300mm凸透鏡

Model 6: +170mm凸透鏡

Model 5,6: +40mm凸透鏡x2

(Step 2)

Model 2-1, 2-2, 4-1, 4-2

Model 3,7,8: +300mm凸透鏡

Model 4: +170mm凸透鏡

Model 3,4: +40mm凸透鏡

Model 7,8: - 40mm凹透鏡

Model 5: +300mm凸透鏡

Model 6: +170mm凸透鏡

Model 5,6: +40mm凸透鏡x2

(Step 2)

Model 2-1, 2-2, 4-1, 4-2

Model 3,7,8: +300mm凸透鏡

Model 4: +170mm凸透鏡

Model 3,4: +40mm凸透鏡

Model 7,8: - 40mm凹透鏡

Model 5: +300mm凸透鏡

Model 6: +170mm凸透鏡

Model 5,6: +40mm凸透鏡x2

model 3

小技巧：

1. 右手拿40R凸鏡，貼近眼睛前面。

2. 左手拿300R凸鏡，手臂彎曲，貼近鏡筒前面。

3. 左手慢慢地往前移動，就可以看到清楚的影像。

+300R Convex lens

+40R Convex lens

Inverted image

HERE’S HOW

. Position the two lenses  mm apart and

look through the eyepiece lens. Make small

adjustments until you see a clear image.

WHAT’S HAPPENING

This time, the image is upside down, or inverted. Note the distance

between the two lenses, and the size and brightness of the image, and

then try Experiment .

Lens system

Objective lens: +300R Convex lens x1

Eyepiece lens: +40R Convex lens x1

Empty lens

frame

+300R Convex lens

(objective lens)

+40R Convex lens (eyepiece

lens)

Distance

About 340mm









 mm

EXPERIMENT 3

How Lenses Work

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