Components of the Blunt microscope: A: Objective turret; B: tapered body tube; C: Field lens and tube, lens dia=15mm, f=45mm; D: two-lens eyepiece. The eyepiece and field lenses are separated 35mm.
Rotating objective lens holder has six positions labeled: "1" – "6".
Assembled eyepiece consists of two biconvex lenses separated 7mm apart. Both lenses have the same dimensions:
dia=16mm, f=36mm.
dia=16mm, f=36mm.
|
Objective
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Dia (mm)
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f (mm)
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|
1
|
1.2
|
3
|
|
2
|
1.2
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4
|
|
3
|
2
|
8
|
|
4
|
2.2
|
14
|
|
5
|
3
|
15
|
|
6
|
3
|
30
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