Mountings, adjusting means, or light-tight connections, for optical elements
7
/
02
•
for lenses
7
/
04
•
•
with mechanism for focusing or varying magnification [2]
7
/
06
•
•
•
Focusing binocular pairs
7
/
08
•
•
•
adapted to co-operate with a remote control mechanism
7
/
09
•
•
•
adapted for automatic focusing or varying magnification (automatic generation of focusing signals G 02 B 7/28) [5]
7
/
10
•
•
•
by relative axial movement of several lenses, e.g. of varifocal objective lens
7
/
105
•
•
•
•
with movable lens means specially adapted for focusing at close distances [4]
7
/
12
•
•
Adjusting pupillary distance of binocular pairs
7
/
14
•
•
adapted to interchange lenses
7
/
16
•
•
•
Rotatable turrets
7
/
18
•
for prisms; for mirrors
7
/
182
•
•
for mirrors (optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light G 02 B 26/00) [5]
with means for adjusting the shape of the mirror surface (mirrors with curved faces G 02 B 5/10) [5]
7
/
188
•
•
•
•
Membrane mirrors [5]
7
/
192
•
•
•
with means for minimising internal mirror stresses [5]
7
/
195
•
•
•
•
Fluid-cooled mirrors [5]
7
/
198
•
•
•
with means for adjusting the mirror relative to its support [5]
7
/
20
•
Light-tight connections for movable optical elements
7
/
22
•
•
Extensible connections, e.g. bellows
7
/
24
•
•
Pivoted connections
7
/
28
•
Systems for automatic generation of focusing signals (measuring distance per seG 01 C, G 01 S; using such signals to control focus of particular apparatus, see the subclasses for the apparatus, e.g. G 03 B, G 03 F) [5]
7
/
30
•
•
using parallactic triangle with a base line [5]
7
/
32
•
•
•
using active means, e.g. light emitter [5]
7
/
34
•
•
using different areas in a pupil plane [5]
7
/
36
•
•
using image sharpness techniques [5]
7
/
38
•
•
•
measured at different points on the optical axis [5]
7
/
40
•
•
using time delay of the reflected waves, e.g. of ultrasonic waves [5]
9
/
00
Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or — (G 02 B 13/00, G 02 B 15/00 take precedence)
Note
In this group, a component is deemed to be a simple lens or a compound lens or a divided lens equivalent to a simple or to a compound lens.
9
/
02
•
having one + component only (simple lenses G 02 B 3/00)
9
/
04
•
having two components only
9
/
06
•
•
two + components
9
/
08
•
•
•
arranged about a stop
9
/
10
•
•
one + and one — component
9
/
12
•
having three components only
9
/
14
•
•
arranged + — +
9
/
16
•
•
•
all the components being simple
9
/
18
•
•
•
only one component having a compound lens (G 02 B 9/30 takes precedence)
9
/
20
•
•
•
•
the rear component having the compound
9
/
22
•
•
•
•
the middle component having the compound
9
/
24
•
•
•
two of the components having compound lenses (G 02 B 9/30 takes precedence)
9
/
26
•
•
•
•
the front and rear components having compound lenses
9
/
28
•
•
•
•
the middle and rear components having compound lenses
9
/
30
•
•
•
the middle component being a — compound meniscus having a + lens
