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10

   Tables for adjusting the flange focal distance  

of a Lightweight Zoom LWZ.2 lens 

 
 

Key

 

Minus sign: 

Shims must be removed

 

Plus sign:

  

Shims must be added

 

  Lightweight Zoom LWZ.2 15.5-45mm / T2.6

  Please note: This table is only valid for the zoom level of f=45mm.

Meter distance scale

Feet distance scale

Focal length setting [mm]: 45

Feet distance scale [mm]: 45

Distance to test chart [mm]: 1500

Distance to test chart [ft]: 5

Object distance  
at best focus [mm]:

Change of total  
shim thickness [mm]:

Object distance 
at best focus [ft]:

Change of total  
shim thickness [mm]:

  1460

 -0.04

4ft 10’

 -0.04

  1470

 -0.03

4ft 10 1/2'

 -0.03

  1480

 -0.02

4ft 11'

 -0.02

  1490

 -0.01

4ft 11 1/2'

 -0.01

  1500

   0.00

5ft 0'

   0.00

  1510

+0.01

5ft 1/2'

+0.01

  1520

+0.02

5ft 1'

+0.02

  1530

+0.03

5ft 1 1/2'

+0.03

  1540

+0.04

5ft 2'

+0.04

Содержание Lightweight Zoom LWZ.2

Страница 1: ...1 Carl Zeiss Lightweight Zoom LWZ 2 Mount Change Instructions...

Страница 2: ...and future use in any situation and for a wide range of camera platforms With the three different mounts available PL EF and MFT mount there is no need for adapter solutions anymore Exotic glass mater...

Страница 3: ...d clean cotton cloth The ZEISS lens cleaning kit will give superior results and is highly recommended for this purpose When matching the lens ensure that the colored shims lie on top of each other in...

Страница 4: ...rews of the silver EF mount with a T6 torque wrench and place the mount and the screws on one side The size of the black inner ring is securely fastened to the EF mount at the factory 3 Remove the tor...

Страница 5: ...ow place the PL mount on the lens in such a way that the groove on the underside of the PL mount fits over the silver screw on the lens barrel Tighten the torx screws with the T6 torque wrench using a...

Страница 6: ...nce The lens already contains shims when delivered Please use for shimming only the shim set for the Lightweight Zoom LWZ 2 It is highly recommended to handle the shims carefully as they can easily ki...

Страница 7: ...precision when checking image sharpness 7 Now re measure the distance between the image plane mark on the camera body and the test chart the actual distance 8 If the distance has changed the flange fo...

Страница 8: ...m on the lens in such a way that the groove on the adapter ring is facing to the index ring on the lens barrel Tighten the screws of the EF adapter ring and then the screws of the EF mount using a tor...

Страница 9: ...to best focus of 1530mm is measured A light blue shim 0 032mm thick must therefore be added to the lens groove Note Any combination of shims is possible to achieve the required thickness and therefore...

Страница 10: ...Feet distance scale Focal length setting mm 45 Feet distance scale mm 45 Distance to test chart mm 1500 Distance to test chart ft 5 Object distance at best focus mm Change of total shim thickness mm...

Страница 11: ...49 755 Colored Shims LWZ 2 Set 1855 032 Technical Information Focal length range 15 5 45 mm Focal length ratio 3 1 Aperture T2 6 T22 Number of aperture blades 9 Close focus 0 45 m 18 inches Angle of f...

Страница 12: ...EN_10_070_718I Printed in Germany CZ IV 2011 Subject to change For further information please contact us Carl Zeiss AG Camera Lens Division 73446 Oberkochen Germany cine zeiss de www zeiss com cine...

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