User manual SONY SAL-135F28

[. . . ] · Do not keep the lens in a very humid place for a long period of time to prevent mold. · Do not hold the camera by the lens part extended for focusing, etc. · Do not touch the lens contacts. [. . . ] For more detailed information about recycling of this product, please contact your local Civic Office, your household waste disposal service or the shop where you purchased the product. 2 Align the orange index on the lens barrel with the orange index on the camera (mounting index), then insert the lens into the camera mount and rotate it clockwise until it locks. · Do not press the lens release button on the camera when mounting the lens. · Do not mount the lens at an angle. To remove the lens While pressing and holding the lens release button on the camera, rotate the lens counterclockwise until it stops, then detach the lens. Attaching the lens hood It is recommended that you use a lens hood to reduce flare and ensure maximum image quality. For the customers in the U. S. A. THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. Align the lens hood with the tip of the lens and rotate it clockwise. · When using a built-in camera flash, make sure to remove the lens hood to avoid blockage of the flash light. · When storing, turn over the lens hood and place it onto the lens backwards. CAUTION You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. Focusing This lens is a manual-focus lens. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ­ Reorient or relocate the receiving antenna. ­ Increase the separation between the equipment and receiver. 1 Select manual-focus mode on your camera. · Refer to the camera manual for details. · This lens can be used in manual-focus mode, even if your camera is set to autofocus mode. 2 Turn the focusing ring until the image appears sharp. · The focus signal found in the viewfinder does not work. Aperture This lens has two aperture settings; A position and a stepless aperture control. Use the aperture ring to switch between the two settings. is used in both notation and control on the camera and lens. Stepless aperture range Exposure compensation As the magnification increases, the amount of light reaching the image sensor decreases. This is automatically compensated in all autoexposure modes, or in the manual exposure mode as long as the exposure is adjusted according to the camera's meter index. If your camera is set to the manual exposure mode and you are using a hand-held exposure meter, or if your camera is set to the manual exposure mode and you are using the Manual Flash Control function available on some external flash units, adjust exposure accordingly. [. . . ] Depth of field depends on the subject distance and aperture you choose. 10m 5m 3m 2m 1. 5m 1. 2m 1. 0m 0. 87m T/4. 5 114. 8 10. 91 9. 23 5. 21 4. 81 3. 068 2. 935 2. 027 1. 974 1. 514 1. 478 1. 028 1. 192 1. 005 0. 995 0. 873 0. 867 T/5. 6 97. 8 11. 08 9. 11 5. 24 4. 78 3. 080 2. 924 2. 032 1. 969 1. 156 1. 484 1. 209 1. 191 1. 006 0. 994 0. 874 0. 866 T/6. 7 82. 3 11. 32 8. 96 5. 29 4. 74 3. 096 2. 910 2. 038 1. 963 1. 519 1. 481 1. 211 1. 189 1. 007 0. 993 0. 874 0. 866 T/8 69. 2 11. 61 8. 79 5. 35 4. 69 3. 115 2. 894 2. 046 1. 956 1. 523 1. 478 1. 213 1. 187 1. 008 0. 992 0. 875 0. 865 T/11 49. 0 12. 44 8. 37 5. 51 4. 58 3. 165 2. 852 2. 065 1. 939 1. 533 1. 469 1. 219 1. 182 1. 011 0. 989 0. 877 0. 863 T/16 34. 7 13. 84 7. 84 5. 76 4. 42 3. 239 2. 795 2. 094 1. 915 1. 547 1. 456 1. 226 1. 175 1. 016 0. 985 0. 881 0. 860 T/22 24. 6 16. 48 7. 20 6. 15 4. 22 3. 350 2. 719 2. 135 1. 882 1. 567 1. 439 1. 238 1. 165 1. 023 0. 978 0. 885 0. 856 T/32 17. 4 22. 58 6. 46 6. 80 3. 97 3. 522 2. 618 2. 198 1. 837 1. 597 1. 415 1. 254 1. 151 1. 033 0. 970 0. 891 0. 850 Intensity stays the same Line becomes thicker Defocused images appear as blurred clusters of dots. A lens with well compensated aberration reproduces the image shape accurately, but cannot produce smooth blurs in a defocused area. There may be unpleasant blurs, which for example, make one line appear to be doubled, depending on the way of compensation. [. . . ]