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Zeiss Cinema Zoom 15-30 Change Instructions

Manual is about: Mount Change Instructions

Summary of Cinema Zoom 15-30

  • Page 1

    Zeiss cinema zoom lenses mount change instructions.

  • Page 2: Table of Contents

    2 table of contents introduction 3 explanation of symbols 3 overview 4 delivery contents of a zeiss cz.2 4 technical data 5 changing the mount of a zeiss cz.2 6 detaching a mount 6 attaching a mount 10 adjusting a zeiss cz.2 to your digital camera 15 testing the sharpness 16 correcting the flange fo...

  • Page 3: Introduction

    3 explanation of symbols the information symbol indicates additional information, which is useful for the context. The skip symbol indicates that under certain circumstances you can skip certain steps. The result symbol indicates information about the obtained result of a step. The warning symbol in...

  • Page 4

    4 1 front lens 2 focus ring 3 focus index mark 4 lens foot 5 zoom index mark 6 zoom ring 7 aperture index mark 8 aperture ring 9 lens barrel 10 groove of the lens 11 small screw 12 rear lens 13 shims 14 mount including the black inner ring 15 t6 screws overview delivery contents of a zeiss cz.2 2 1 ...

  • Page 5

    5 technical data cinema zoom 15 – 30 mm cinema zoom 28 – 80 mm cinema zoom 70 – 200 mm aperture range t 2.9 to t 22 t 2.9 to t 22 t 2.9 to t 22 focal length 15 – 30 mm 28 – 80 mm 70 – 200 mm close focus distance 1 0.55 m / 1'10" 0.83 m / 2'8" 1.51 m / 5' length 2 198 mm / 9.92" 196 mm / 7.72" 250 mm...

  • Page 6

    6 changing the mount of a zeiss cz.2 in this chapter you learn how to change the mount of a zeiss cz.2. The procedure consist of 2 parts which are both mandatory to successfully change a mount. You learn how to detach the currently attached mount and how to attach a different mount. To make sure the...

  • Page 7

    7 1. Place your zeiss cz.2 on a flat surface with the mount facing up and the serial number facing away from you. The serial number is located at the side of the lens foot. The serial number varies. 2. Remove the rear lens cap. You can now see the mount. 3. With a t6 torque wrench remove the torx sc...

  • Page 8

    8 4. Carefully detach the mount from your zeiss cz.2. If you are changing from a pl mount, you can directly see the shims. If you are changing from any other mount than a pl mount, you can now see the black adapter ring. If you are changing from a pl mount, skip step 5 and 6, since the pl mount does...

  • Page 9

    9 6. Detach the black adapter ring from your zeiss cz.2. 1 groove of the lens 2 shims 3 small screw in the groove of the lens 1 2 3 now you see the shim(s) and a small screw in the groove of the lens barrel. You successfully detached the mount when detaching the mount for the first time, do not remo...

  • Page 10

    10 attaching a mount you need zeiss cz.2 zeiss t6 torque wrench with a torque of 0.4 nm zeiss interchangeable mount set for zeiss cz.2 the use of tools offered by zeiss is highly recommended. You can purchase these tools directly from zeiss or your trusted zeiss dealer. See mount change accessories ...

  • Page 11

    11 if you are changing to a pl mount, skip steps 1 and 2 in this chapter. 1. Carefully place the adapter ring, which came with your zeiss interchangeable mount set for the zeiss cz.2. Make sure the small screw in the groove of the zeiss cz.2 sinks into groove of the adapter ring. The shape and heigh...

  • Page 12

    12 3. Place the mount on your zeiss cz.2: 3.I pl mount: place the pl mount on the zeiss cz.2 in such a way that the groove of the pl mount lays on top of the small screw on the lens barrel. 3.Ii ef mount: place the silver ef mount on the adapter ring in such a way that the notch aligns with the aper...

  • Page 13

    13 3.Iii f mount: place the f mount on the adapter ring in such a way that the notch aligns with the aperture index mark. 3.Iv mft mount: place the mft mount on the adapter ring in such a way that the notch aligns with the aperture index mark..

  • Page 14

    14 3.V e mount: place the e mount on the adapter ring in such a way that the blue dot aligns with the aperture index mark. 4. With the t6 torque wrench tighten the torx screws using a torque of 0.4 n you now successfully changed the mount of a zeiss cz.2. In this chapter you learned how to detach th...

  • Page 15

    15 adjusting a zeiss cz.2 to your digital camera in the following chapter you learn how to adjust your zeiss cz.2 to a digital camera. This is necessary to ensure that the zeiss cz.2 works properly and delivers the maximum image quality. In order to perform this adjustment, zeiss provides shims in d...

  • Page 16

    16 testing the sharpness 1. Fasten the siemens star test chart on a wall. 2. Mount the zeiss cz.2 on the camera. 3. Mount the camera on a tripod. 4. Position your camera at a testing distance according to the shimming table in the appendix. The testing distance is measured from the siemens star test...

  • Page 17

    17 6. Set the aperture of the zeiss cz.2 to t2.9 by rotating the aperture ring. The aperture setting must not be changed during the adjustment process. 7. Activate the live view of your camera. 8. Select the maximum magnification of the live view. 9. Make sure that the center of the image aligns wit...

  • Page 18

    18 14. Reduce or enlarge the distance between the test chart and the image plane of the camera by a maximum of 5 cm or 2" to obtain maximum image sharpness on the live view. Keep the focus ring at the testing distance. See shimming table • if you measured the sharpness below the testing distance you...

  • Page 19

    19 correcting the flange focal distance 1. Remove the zeiss cz.2 from the camera. 2. Follow the steps of chapter detaching a mount . 3. Determine the total thickness of the shims that already lay in the lens groove. 4. Increase or decrease the total shim thickness according to the tables in the appe...

  • Page 20

    20 5. Use a flat-bladed screwdriver or a pair of tweezers to remove or add shims. Handle the shims carefully as they can easily kink or tear which makes them unusable. Ensure that the colored shims lie on top of each other in the groove of the lens barrel and do not cover the screw holes. The shims ...

  • Page 21: Appendix

    21 appendix color code of the shims shimming table minus sign: enlarge the flange focal distance.  remove shims plus sign: reduce the flange focal distance.  add shims compact zoom cz.2 70 – 200 / t2.9 meter distance scale feet distance scale distance to test chart [mm] 4500 distance to test chart...

  • Page 22

    22 compact zoom cz.2 28 – 80 / t2.9 meter distance scale feet distance scale distance to test chart [mm] 2000 distance to test chart [ft] 7 object distance at best focus [mm] change of total washer thickness [mm] object distance at best focus [ft] change of total washer thickness [mm] 1960 -0,07 7ft...

  • Page 23

    23 mount change accessories accessories zeiss identification number interchangeable mount set ef (cz.2 70 – 200 / t2.9) 2002-824 interchangeable mount set ef (cz.2 28 – 80 / t2.9) 2016-087 interchangeable mount set ef (cz.2 15 – 30 / t2.9) 2075-923 interchangeable mount set pl (cz.2 70 – 200 / t2.9)...

  • Page 24

    Carl zeiss ag camera lenses 73446 oberkochen germany en_10_070_0003i printed in germany cz -viii/2017 subject to change in design and scope of delivery and as a r esult of ongoing technical development. Phone +49 7364 20-6175 fax: +49 7364 20-4045 www.Zeiss.Com/cine.