74
::
OPTICS
Lenses, prisms and
diaphragms
Lenses in holder
For use in conjunction with the optical bench. Lens dia-
2950.10-.40
meter 50 mm. Mounted in rectangular plastic plate 100 x
100 mm with 10 mm fixing rod and printed focal distance.
2950.10 Lens in holder, + 300 mm
2950.20 Lens in holder, + 100 mm
2950.30 Lens in holder, + 50 mm
2950.40 Lens in holder, - 200 mm
Lens and slide holder
A versatile holder made to fix slides max. 50 x 50 mm
and lenses 50 mm diameter. 2 spring loaded clips allows
you to fix slides and lenses of max. 16 mm thickness.
Supplied with a 10 mm diameter steel rod for fixing in an
optical bench etc. Overall length 170 mm. Net weight:
5760.40
130 g.
2902.01 Lens and slide holder
Set of lenses 50 mm diameter
The set of lenses comprises 6 different lenses Ø 50 mm.
The lenses can be mounted in the Lens and Slide Holder
no. 2902.01. The set of lenses may be used for a num-
ber of optics experiment but are also specified to be
particularly well suited for laser experiments. The lenses
2902.01
comes complete in a storage box and are specified as
follows:
1 ea. Biconcave 50 mm dia., focal length 100 mm
1 ea. Biconcave 50 mm dia., focal length 50 mm
1 ea. Biconvex 50 mm dia., focal length 50 mm
1 ea. Biconvex 50 mm dia., focal length 100 mm
1 ea. Biconvex 50 mm dia., focal length 200 mm
1 ea. Biconvex 50 mm dia., focal length 1000 mm
2903.00 Set of lenses 50 mm, diameter
Iris diaphragm
2903.00
Black plastic screen 100 x 100 mm with 10 mm diame-
ter fixing rod. Maximum aperture 28 mm diameter.
2960.00 Iris diaphragm
2950.80
Slits and filter holder
Designed to accept slits and filters etc. 50 mm square by
a maximum of 3.5 mm thickness, 100 x 100 mm. Plastic
guard with 10 mm diameter fixing rod.
2950.80 Slits and filter holder
2960.00
®
Science Equipment for Education Physics
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