Step 1 Specifying Magnification Components
The default magnification of your Optem Zoom 70XL lens system without an auxiliary lens and with a 1x TV tube is 0.75x – 5.25x (7:1 zoom). You can alter this optical performance by configuring your lens system with varying combinations of magnifying and reducing auxiliary lenses and TV tubes. Refer to the chart below to determine how altering one or both of these components will affect the characteristics of your system. These alterations can be observed across the Optical Performance Charts on previous page.
| Integrate Magnifying Aux Lens | Integrate Magnifying TV Tube | Integrate reducing Aux Lens | Integrate reducing TV Tube | Closing Iris | |
| MAGNIFICATION | Increases | Increases | Decreases | Decreases | - |
| FIELD-OF-VIEW | Decreases | Decreases | Increases | Increases | - |
| DOF | Decreases | - | Increases | - | Increases |
| N.A. (Res) | - | - | Decreases | - | Decreases |
| W.D. | Decreases | - | Increases | - | - |
TV Tubes
TV tubes provide configurations to alter the physical orientation of the camera above the zoom lens (straight, 90° right-angle, 180° u-bend, miniature). Right-angle configurations can be specified in both inverting and non-inverting (see diagram A). TV tubes also provide magnification variations to the camera (video monitor) to compensate for auxiliary lens restrictions due to required working distances.
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Diagram A |
TV Tubes
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Based upon the TV tube magnification dictated by the Optical performance chart, select one of the TV tubes below.
Auxiliary Lenses
Auxiliary lenses most directly affect magnification and required working distance of the lens system. Zoom 70XL features a default magnification of 1x without the addition of an auxiliary lens.
Based upon the auxiliary lens magnification dictated by the Optical performance chart, select one of the auxiliary lenses below.
One of two right-angle auxiliary lenses are required to incorporate the right-angle adapter (R29 9059 000) to redirect your optical path 90° below the zoom. Unless specified with a standard right angle TV tube, the right-angle adapter will generate an inverted image. If desired, select the right-angle adapter auxiliary lens below.
Infinity-Corrected Objectives
When higher magnifcations are required, Optem, Mitutoyo, Nikon and Olympus objectives can be integrated onto your Zoom 70XL in place of an auxiliary lens. This requires an objective compatible lower-function module (see Step 3).
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