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Schneider Kreuznach PC-SUPER-ANGULON 28 mm f/2.8 manual

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Table of contents for the manual

  • Page 1

    Schneider Op tics Inc  285 Oser A v enue Hauppauge · N Y ¡¡788 · USA Phone 63¡ 76¡ 5000 Fa x 63¡ 76¡ 5090 inf o@ schneideropticscom www  schneideropticscom Ex clusive distribut or f or the USA PC-SUPER - ANGUL ON 28mmf /2. 8 UserManual[...]

  • Page 2

    2 ListofContents Name of Par ts and Cr o ss S ection of the Lens  3 General Description ?[...]

  • Page 3

     3 1 0,7 0,5 0,4 0,35 0,3 5 3 2 1 ,5 1 ,25 1 8 5,6 4 2,8 4 8 1 6 22 P C - S U P E R - A N G U L O N NameofP ar tsandCr o ssSe c tionoftheLens Focusing ring Distance scale Depth of eld scale Aper ture scale Aper ture setting ring Pr e - set aper ture setting le v er Shif ting knob Index Knurled ring Camera mount Fixing [...]

  • Page 4

     8 3 1 0,7 0,5 0,4 0,35 m o o 5,6 1 1 4 1 6 2,8 22 22 4 8 4 8 1 6 16 22 5 3 2 1 ,5 1 ,25 8 3 1 0,7 0,5 0,4 0,35 m o o 5,6 1 1 4 1 6 2,8 22 22 4 8 4 8 1 6 16 22 5 3 2 1 ,5 1 ,25 GeneralDescription Not shift e d Ma ximally shif ted The SCHNEIDER PC-SUPER -ANGUL ON 28 mm f /2 8 is a very high- quality wide - angle lens f or 35 mm analog and d[...]

  • Page 5

     GeneralDescription V er tical shif t is the most p opular : up war d, esp ecially when phot ographing high buildings, so that the camera do es not ha v e t o b e tilt ed upward; and down war d f or pr oduct sho ts at an oblique angle or also f or shots f r om high locations such as to w ers or mountains so that the camera do es not ha ve t o[...]

  • Page 6

    6 P ersp e c tiveCorr e c tionf or A nalogandDi gitalPhotog raph y 8 3 1 0,7 0,5 0,4 0,35 m oo 5,6 11 4 16 2,8 22 22 4 8 4 8 16 16 22 5 3 2 1,5 1,25 Horizon T oo much foreground Optical axis Building is true to scale but cropped on top 8 3 1 0 , 7 0 , 5 0 , 4 0 , 3 5 m o o 5 , 6 1 1 4 1 6 2, 8 22 2 2 4 8 4 8 16 16 2 2 5 3 2 1 , 5 [...]

  • Page 7

     P ersp e c tiveCorr e c tionf or A nalogandDi gitalPhotog raph y T oo low T oo wide 8 3 1 0,7 0,5 0,4 0,35 m oo 5,6 11 4 16 2,8 22 22 4 8 4 8 16 16 22 5 3 2 1,5 1,25 Horizon Optical axis Building is true to scale and completely reproduced V ertical lines are parallel V er tical shift of 7 mm es the sharpness, pr oduces just vi[...]

  • Page 8

    8 L ar g eIma g eCir clef orLensShif tsupto1¡mm The PC- SUPER -ANGUL ON 28 mm f/2 8 already pr o duces an ex ceptionally att ene d image at f ull aper ture within the 62 mm image cir cle which is thus twice as large in ar e a r elative t o the image cir cles of other 35 mm lense s Sharpness and contrast ar e inc[...]

  • Page 9

     L ar g eIma g eCir clef orLensShif tsupto1¡mm Natural size max. ¡¡ mm max. ¡0. 5 mm max. 9 . 5 mm I m a g e c i r c l e 4 4 m m I m a g e c i r c l e 6 2 m m entation can alwa ys be cho sen, e  g ir r esp ective of the shif t direction with the knob at the bo tt om with f r ee hands, or rather at the top at [...]

  • Page 10

    ¡0 Fixin gandR emo vin gtheLens The lens is a vailable in a connection so ck e t t o mat ch diff er ent 35 mm SLR camera syst ems and is inser ted int o the camera b a yonet or thr e ad f or f a s - t ening t o the camera such that the red dot on the connection so ck e t is op - po sit e the corr esp onding marking on the camera T o[...]

  • Page 11

    ¡1 P arallelShif t The lens is shift e d perp endicular t o the optical a xis r elativ e t o the ba yonet mount and so also r elativ e to the taking f ormat by r o tating a knurled shif t - ing knob at a shaf t which is elastically e xible t o pr otect against its damage or injur y to the user  The lens tub e can be rotat e d contin uousl[...]

  • Page 12

    ¡2 Focusin gandDepthofField The f o cusing of wide - angle lense s appears to be r elativ ely non-critical due t o their large depth of eld How ev er , car ef ul f ocusing is actually necessar y t o utilize the high imaging quality of this lens t o the f ull T o ensur e ma xi- mum brightness of the f ocusing screen and the bes[...]

  • Page 13

    ¡ If the measur ement is not carried out using a separate hand e xpo sur e me - t er , but using the T T L exposur e meter int egrat ed in the camera, it is ne ces - sar y to measur einthecenteredpo sition of the parallel shif t while st op - ping down t o the workin gap er tur e be cause the ar rangement and align- ment of the m[...]

  • Page 14

    ¡ Filters , LensHo o dandCameraMounts Only the o v ersized B + W W A lt ers of the size 67 EW can be used with the SCHNEIDER PC-SUPER -ANGUL ON 28 mm f/2 8 due to the e x tr eme - ly large image angle utiliz ed at ma ximum shif t up t o 93 4° The f ollowing table shows the or der numbers of the mo st popular lter [...]

  • Page 15

    ¡ Filters , LensHo o dandCameraMounts Wide -an g leltersofsize6EW Or derno. B + W UV Filter with MR C coating                                40295 B + W Skylight lt er MR C coating       [...]

  • Page 16

    ¡6 Spe cications R elative aper tur e                          ¡ : 2 8 E ff ec tiv e f ocal leng th                       29  2 mm Nodal p oint separation HH'         ?[...]