1. ບົດແນະນຳ
ຂອບໃຈສໍາລັບການຊື້asing the Sigma 28-135mm f/3.8-5.6 Aspherical IF Macro Lens. This versatile zoom lens is designed for Konica Minolta SLR cameras, offering a broad focal range from wide-angle to telephoto, along with macro capabilities. Its Aspherical and Internal Focusing (IF) design contributes to high optical performance and convenient operation. This manual provides essential information for the proper use, care, and maintenance of your lens.
2. ຕັ້ງຄ່າ
2.1 ການຕິດເລນ
- ກວດໃຫ້ແນ່ໃຈວ່າທັງກ້ອງຖ່າຍຮູບ ແລະເລນປິດຢູ່.
- ຖອດຝາປິດກ້ອງຫຼັງອອກຈາກເລນ ແລະຝາປິດຕົວອອກຈາກກ້ອງ.
- Align the mounting index (red dot) on the lens barrel with the mounting index on the camera body.
- ໃສ່ເລນເຂົ້າໄປໃນຕົວຍຶດເລນຂອງກ້ອງຖ່າຍຮູບ ແລະ ໝຸນມັນຕາມເຂັມໂມງຈົນກວ່າມັນຈະຄລິກເຂົ້າທີ່. ຢ່າບັງຄັບເລນ.
2.2 ການຖອດເລນ
- ໃຫ້ແນ່ໃຈວ່າກ້ອງຖ່າຍຮູບປິດຢູ່.
- While pressing the lens release button on the camera body, turn the lens counter-clockwise until it stops.
- ເອົາເລນອອກຈາກຕົວກ້ອງຖ່າຍຮູບຢ່າງລະມັດລະວັງ.
- ແນບຝາປິດກ້ອງຫຼັງໃສ່ກັບເລນ ແລະຝາປິດຕົວກັບກ້ອງເພື່ອປົກປ້ອງພວກມັນຈາກຂີ້ຝຸ່ນ ແລະຄວາມເສຍຫາຍ.
2.3 ການຕິດຝາ Lens Hood
A lens hood (if supplied) helps to block extraneous light, reducing flare and ghosting. Align the lens hood with the front of the lens and turn it clockwise until it locks into position. To remove, turn it counter-clockwise.
3. ການເຮັດວຽກຂອງເລນ
3.1 ຊູມ
To change the focal length, rotate the zoom ring on the lens barrel. The focal length markings (28mm, 35mm, 50mm, 70mm, 100mm, 135mm) are indicated on the ring. Rotate towards 28mm for a wider angle of view and towards 135mm for a telephoto perspective.
3.2 ການສຸມໃສ່
This lens features both autofocus (AF) and manual focus (MF) capabilities. The Internal Focusing (IF) system ensures that the front of the lens does not rotate during focusing, which is beneficial when using polarizing filters.
- ໂຟກັສອັດຕະໂນມັດ (AF): Set the AF/MF switch on the lens (if present) or camera body to 'AF'. The camera will automatically focus when the shutter button is half-pressed.
- Manual Focus (MF): Set the AF/MF switch to 'MF'. Rotate the focus ring on the lens barrel until the subject appears sharp in the viewຜູ້ຊອກຫາ.
3.3 ຟັງຊັນມະຫາພາກ
The lens offers a macro function for close-up photography. To engage the macro mode, typically you would zoom to the telephoto end (135mm) and then activate the macro switch or ring if available on the lens. Refer to your camera's manual for specific settings related to macro photography.
3.4 ການຄວບຄຸມ Aperture
The aperture (f/3.8-5.6) is controlled electronically by the camera body. Select your desired aperture setting through your camera's controls. The lens will communicate with the camera to set the appropriate aperture value.
4. ບໍາລຸງຮັກສາ
4.1 ການເຮັດຄວາມສະອາດເລນ
- ອົງປະກອບເລນ: Use a lens blower brush to remove dust. For smudges or fingerprints, use a clean, soft lens cloth and a small amount of lens cleaning fluid. Apply fluid to the cloth, not directly to the lens. Wipe gently in a circular motion from the center outwards.
- ເນື້ອເລນ: Wipe the lens body with a soft, dry cloth. Do not use organic solvents like paint thinner or benzene.
4.2 ການເກັບຮັກສາ
- Store the lens with front and rear caps attached in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid storing the lens in areas with high humidity to prevent mold growth. If storing for extended periods, consider using a desiccant.
4.3 ຂໍ້ຄວນລະວັງໃນການຈັດການ
- ຫຼີກລ່ຽງການລຸດລົງ ຫຼື ບັງເລນໃຫ້ຖືກຜົນກະທົບທີ່ຮຸນແຮງ.
- Do not leave the lens in direct sunlight for prolonged periods, as this can damage internal components.
- ຮັກສາເລນຢູ່ຫ່າງຈາກສະຫນາມແມ່ເຫຼັກທີ່ເຂັ້ມແຂງ.
5. ການແກ້ໄຂບັນຫາ
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ເລນບໍ່ຕິດກ້ອງ | Incorrect alignment; obstruction | Ensure red dots are aligned; check for debris in mount. |
| ໂຟກັສອັດຕະໂນມັດບໍ່ເຮັດວຽກ | AF/MF switch set to MF; insufficient light; dirty contacts | Set switch to AF; use flash or brighter conditions; clean lens and camera contacts. |
| ຮູບພາບແມ່ນມົວ | ຈຸດສຸມທີ່ບໍ່ຖືກຕ້ອງ; ກ້ອງຖ່າຍຮູບສັ່ນ; ອົງປະກອບເລນເປື້ອນ | Check focus mode and focus point; use a faster shutter speed or tripod; clean lens. |
| Zoom ring is stiff | Dust or debris; lack of lubrication | Clean exterior; if problem persists, professional service may be required. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact Sigma customer support or a qualified service technician.
6. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ໝາຍເລກຕົວແບບ | 709-205 |
| ຄວາມຍາວໂຟກັສ | 28-135ມມ |
| ຮູຮັບແສງສູງສຸດ | f/3.8-5.6 |
| ປະເພດເລນ | Zoom, Macro |
| ປະເພດ Mount | Konica Minolta SLR |
| ການອອກແບບ Optical | Aspherical, Internal Focusing (IF) |
| ຂະໜາດຕົວກອງ | 62ມມ |
| ໄລຍະຫ່າງຈຸດສຸມຕ່ ຳ ສຸດ | Not specified (typical for macro lenses, often around 0.5m or less) |
| ຂະໜາດ (ຊຸດ) | 6 x 4.5 x 4.5 ນິ້ວ |
| ນ້ໍາຫນັກລາຍການ | 14.5 ອອນ |
| ຜູ້ຜະລິດ | ບໍລິສັດ Sigma ຂອງອາເມລິກາ |
7. ຂໍ້ມູນການຮັບປະກັນ
Warranty terms and conditions for the Sigma 28-135mm f/3.8-5.6 Aspherical IF Macro Lens are typically provided at the time of purchase or can be found on the official Sigma Corporation of America website. Please retain your proof of purchase for warranty claims. The warranty generally covers manufacturing defects for a specified period from the date of purchase. It does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear.
8. ການຊ່ວຍເຫຼືອລູກຄ້າ
For technical assistance, service, or inquiries regarding your Sigma 28-135mm f/3.8-5.6 Aspherical IF Macro Lens, please contact Sigma Corporation of America directly. Contact information, including phone numbers and website details, can usually be found on their official webເວັບໄຊ ຫຼືໃນເອກະສານປະກອບກັບຜະລິດຕະພັນຂອງທ່ານ.