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Carl Zeiss

Camera Lens Division

Status 12/02

Page

1

Sharp Max

Instructions for use

Summary of Contents for Camera Lens

Page 1: ...Carl Zeiss Camera Lens Division Status 12 02 Page 1 Sharp Max Instructions for use ...

Page 2: ... 2 of 11 Contents 1 Product safety 3 1 1 CE marking 3 1 2 Intended use 3 1 3 Standards 3 1 4 Notes on use 4 2 Description of the unit 5 2 1 General 5 2 2 Principle of operation 5 2 3 Controls 6 2 4 Starting up the unit 7 4 Lens testing 8 5 Maintenance 10 5 1 Replacing the battery 10 6 Technical data 11 ...

Page 3: ...d through this manual carefully before starting up this unit You may obtain further information from our service organization 1 1 CE marking The version supplied of this unit meets the requirements stipulated in the 89 336 EEC Electromagnetic Compatibility and 73 23 EEC Low Voltage Directives 1 2 Intended use The unit must only be used for the measurements described in this manual The manufacturer...

Page 4: ...ccessories supplied by other manufacturers In addition this will forfeit any rights to claim under warranty Only personnel who have undergone training and instruction are allowed to use this instrument It is the responsibility of the customer operating the instrument to train and instruct all staff using the instrument Keep this user s manual where it is easily accessible at all times Safe working...

Page 5: ...a Siemens star printed on carton or a tape measure are needed to adjust the back focus High adjustment accuracy little time needed For this reason Sharp Max is particularly suitable for use by service staff and in the field during film productions The unit is comprised of the following main modules Basic body with collimator lens Siemens star illumination system battery compartment and controls In...

Page 6: ...ontrols and the battery compartment are located on the back of the unit see the sketch below l Battery compartment for 9V battery Button for switching on External 12V power supply Potentiometer to adjust the intensity level Loosen 4x slotted screws when the control panel must be removed to change the factory adjustment on the PCB ...

Page 7: ... 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 potentiometer Caution Prevent the build up of electrical static The components on the PCB can be destroyed by electrostatic discharge F...

Page 8: ...r use with the lens to be tested Insert the lens into the bayonet of the camera Turn the focusing ring of the lens to the infinity marking Turn the aperture ring to maximum aperture Turn the back focus ring to the 0 marking Loosen the locking screw on the lens flange of Sharp Max Slip the lens flange on the Digi Prime lens Slightly tighten the locking screw on the lens flange Fig Test setup includ...

Page 9: ...confusion see below stands out from its surroundings with high contrast and the center of the Siemens star is not affected by glare Loosen the locking screw on the back focus ring View the image in the eyepiece of the camera or on the external monitor and adjust it to maximum focus Owing to the different horizontal and vertical resolution of the CCD screen in the camera eyepiece the circle of conf...

Page 10: ...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 compartment Switch on the unit The light in the Power button must come on The electronics mo...

Page 11: ...s 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 power source Options Lens flange for lenses from other manufacturer...

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