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Carl Zeiss
Camera Lens Division
Sharp Max
Instructions for use
Status 12/02 Page 1
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Carl Zeiss Sharp Max Camera Lens Division Contents 1 Product safety............................................................................................................ 3 1.1 CE marking ................................................................................................................ 3 1.2 Intended use .............................................................................................................. 3 1.3 Standards.................................................
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Carl Zeiss Sharp Max Camera Lens Division 1 Product safety The unit described in this manual has been designed and tested in accordance with Carl Zeiss safety standards and with national and international regulations. A very high degree of instrument safety is thus ensured. We would like to inform you on the safety aspects involved in operating the instrument. This chapter contains a summary of the most important precautions to be observed. Further safety notes are also contained in other parts
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Carl Zeiss Sharp Max Camera Lens Division 1.4 Notes on use General • Do not use the unit in explosion-risk areas • Do not station or use the instrument in damp rooms. Do not expose the instrument to water splashes, dripping water or sprayed water. • Modifications and repairs on this instrument may only be performed by our service staff or by other persons authorized by us. • The manufacturer shall not be liable for any damage caused by tampering with the instrument. In addition, this will forfei
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Carl Zeiss Sharp Max Camera Lens Division 2 Description of the unit 2.1 General In digital cameras with a B4 mount, the distance between the mechanical interface (bayonet) and the CCD chip of the camera is not clearly defined. For this reason, the back focus of the lens can be varied to allow every lens to be adapted to the camera used. Sharp Max is used to adjust this back focus of Carl Zeiss Digi Prime lenses. A sturdy design, easy operation and high accuracy are the hallmarks of this unit. Th
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Carl Zeiss Sharp Max Camera Lens Division 2.3 Controls The controls and the battery compartment are located on the back of the unit, see the sketch below. l Potentiometer to Battery compartment adjust the intensity for 9V battery level Button for switching on Loosen 4x slotted screws when the control panel must be removed to change the factory adjustment on External 12V the PCB. power supply Bedienungsanleitung Sharp Max 12_02E.doc Status 12 / 2002 Page 6 of 11
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Carl Zeiss Sharp Max Camera Lens Division 2.4 Starting up the unit • Check that the battery is fresh: switch on the unit by pressing the power button. The light in the button must now be on. If it is not, replace the battery. • You can use a rechargeable NiCd battery instead of the non-rechargeable standard battery supplied. • The period during which the Siemens star is illuminated has been set to approx. 1 min in the factory. You can change this period from 1 minute to 10 minutes using the R 10
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Carl Zeiss Sharp Max Camera Lens Division 4 Lens testing The following describes the testing of Carl Zeiss Digi-Prime lenses (see photo). Use the same procedure for testing the lenses from other manufacturers. However, check beforehand whether the lens flange is suited for use with the lens to be tested. Fig. Test setup including camera + lens + Sharp Max Focusing ring at infinity Locking screw lens flange Locking screw Aperture ring at full aperture back-focus ring • Insert the lens into the b
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Carl Zeiss Sharp Max Camera Lens Division • Switch on the camera. Connect an external monitor to the camera, if necessary. • Press the Power button to switch on the Sharp Max unit, view the Siemens star in the eyepiece of the camera and adjust brightness using the 'Intensity' control. If you want to reduce brightness even further, you can also swing in a neutral- density (ND) filter of the camera into the beam path. Brightness has been correctly adjusted when the circle of confusion (see below)
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Carl Zeiss Sharp Max Camera Lens Division 5 Maintenance The unit does not contain any components that need maintenance, with the exception of the battery. We recommend you to have the unit serviced by Carl Zeiss service staff once every 12 months. 5.1 Replacing the battery Using a small screwdriver, prize up the cover of the battery compartment. Remove the cables from the old battery and plug them onto the new battery. Insert the battery into its compartment and press the cover down to close the
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Carl Zeiss Sharp Max Camera Lens Division 6 Technical data Optical data, Sharp Max Collimator: achromat, f =200mm Exit pupil: 50mm Siemens star: 72 sectors, smallest grating constant approx. 4.4µm Illumination: green LEDs,λ 570nm, adjustable brightness and illumination-ON period Admissible testpiece data Focal length: 5mm to 70mm Ambient conditions Temperature range: -20°C to +40°C Power supply 9V block battery, 6LR 61 type, alternatively 9V NiCd rechargeable battery or external 12V DC / 100mA p
