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Makro-Planar T* 2/50 ZF

The Speed Macro Technical Specifications

Fastest 50 mm macro lens for the 24 x 36 full frame Very high image quality over the entire focusing range from infinity to the close-focus limit at half life-size Optical system with "floating element" and longlife full metal precision mechanics

Focal length: 51.6 mm Aperture range: f/2.0 ­ f/22 (1/2 stop intervals) Number of elements/groups: 8/6 Focusing range: 0.24 m ­ Angular field, diag./horiz.: 45.5°/ 38.5° Coverage at close range: 48 x 72 mm Image ratio at close range: 1:2 Filter thread: M67 x 0.75 Dimensions: ø 72 mm, length 65 mm Weight: 530 g

Subject to change.

Carl Zeiss AG Camera Lens Division 73446 Oberkochen Germany

Tel: + 49 73 64 20-61 75 Fax: + 49 73 64 20-40 45 E-Mail: [email protected] www.zeiss.com/photo

Makro-Planar T* 2/50 ZF

Performance data

MTF [%], f-number: k = 4.0 Image ratio 1:10 The Modulation Transfer (MTF) as a function of image height (u) and slit orientation (sagittal, tangential) has been measured with white light at spatial frequencies of R = 10, 20 and 40 cycles/mm.

60 40 20 0 0 5 sagittal 10 15 tangential 20 60 40 20 0 0 k = 2.0 100 80

E [%], Relative illuminance

100 80

5

10 k = 2.8

15

20

u [mm]

k = 5.6 M = 1:4

u [mm]

MTF [%] , f-number: k = 4.0 Image ratio 1:5

100 80 60 40 20 0 0

V Distortion in % of image height

2,0 1,0 0,0 -1,0 -2,0 -3,0 0 inf

5 sagittal

10

15 tangential

20

5

10 M = 1:1

15

20

u [mm]

u [mm]

Subject to change.

Carl Zeiss AG Camera Lens Division 73446 Oberkochen Germany

Tel: + 49 73 64 20-61 75 Fax: + 49 73 64 20-40 45 E-Mail: [email protected] www.zeiss.com/photo

Makro-Planar T* 2/50 ZF

Performance data

MTF [%], f-number: k = 2.0 The Modulation Transfer (MTF) as a function of image height (u) and slit orientation (sagittal, tangential) has been measured with white light at spatial frequencies of R = 10, 20 and 40 cycles/mm.

60 40 20 0 0 5 sagittal 10 15 tangential 20 100 80

u [mm]

MTF [%] , f-number: k = 5.6

100 80 60 40 20 0 0

5 sagittal

10

15 tangential

20

u [mm]

Subject to change.

Carl Zeiss AG Camera Lens Division 73446 Oberkochen Germany

Tel: + 49 73 64 20-61 75 Fax: + 49 73 64 20-40 45 E-Mail: [email protected] www.zeiss.com/photo

Information

MakroP_T_2_50_ZF_e.qxd

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MakroP_T_2_50_ZF_e.qxd