Camera Lens
- Ref Price:
-
$1.03 - 51.50
/ pc
- Loading Port:
- Dalian
- Payment Terms:
- L/C,T/T
- Min Order Qty:
- 1 Piece pc
- Supply Capability:
- 5000 Set/Sets per Month pc/month
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Parameter
| Material | Bk7, Quartz, Caf2, Sapphire |
| Diameter | 2.5-45mm . |
| Diameter Tolerance | 0.05 to 0.1mm |
| Edge thickness | 1mm +/- 0.10mm |
| Focal length | 0.1% to 2% |
| Surface quantity | 80/50 to 20/10 |
| Coating | As your requirements |
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- Q: How to distinguish between good and bad lens lens SLR camera?
- Canon's red circle, L lens; Zeiss's T * lens; Pentax SMC, etc., are representative of the high quality of their brand lens quality (such as Nikon's N-shaped lens, gold ring lens; The Also, the lens of the weight, indicating that the lens lens is optical glass, tube is a metal, in the precision and high temperature, than the resin lens and engineering plastic tube is much higher, resin lenses and plastic mirror Tube lens feel relatively light
- Q: What is the camera lens servo
- Camera lens is the most important part of the camera, because it directly affects the quality of shooting imaging. At the same time the lens is divided into the camera type and grade of one of the most important standards.
- Q: SLR camera lens is a unified standard?
- SLR use what the main lens to see what he used bayonet, that is: what bayonet camera, what can be used to mount the lens. At present, the mainstream interface is also a few camera manufacturers: Japan's Nikon mouth, Canon EF mouth, Pentax K mouth, as well as Olympus, and Sigma's SA mouth, and Sony's Mi Mina A mouth. Buy SLR lens first look at the brand, the second is to see technical indicators, that is, the parameters of the lens. By brand: Canon, Nikon, Pentax, Sony, Olympus ... ... According to focus classification: ultra wide angle, wide angle, in the coke, telephoto, super telephoto ... ... By purpose classification: scenery head, portrait head, macro head ... ...
- Q: The digital camera shows what the lens is wrong
- General digital camera display lens error is due to the machine's self-test function of the machine so that the machine does not work. It will prompt you how to deal with, such as can not reply to machine failure, please repair the local brand service
- Q: SLR camera lens specifications how to see
- Part III: Maximum aperture of the lens F / 4-5.6 that the lens maximum aperture, that is, the maximum brightness of the lens value. Fixed focus lens with a single numerical representation, zoom lens constant aperture lens (that is, the maximum brightness does not change with the focal length changes) using a single numerical representation, the maximum aperture value changes with the focal length of the lens, respectively, wide-angle end and telephoto end of the largest aperture
- Q: Is it possible to wipe the camera with a cotton swab dipped in alcohol?
- The lens is actually the most afraid of hard dust, like sand, metal particles ,,, in the studio we generally use blowing, blowing better than anything else, brush is also very good, as long as the first dust off, hurt. Rare use of alcohol is also harmless, the lens coating in general, after hundreds of scrub will not fall, (thousands of times do not know). We are dirty when the location, there are fingerprints, mouth watermark, under the urgency of the mouth with a blow, grab the underwear can also rub. Instead, I do not like to call paper, not easy to use, easy to break, but also to create pollution, can not be reused. Really want to rub the words ,,,, personal recommended high-quality glasses cloth, suede, tissue paper. Alcohol in your really difficult to clean up the stains and then, but please remember the key, be sure to determine no hard dust and then wipe, or wipe it is a heartache marks ,,, Finally suggested that you buy A UV protection mirror, but also to block the UV, but also to protect, even if really wiped out, and then for a like, say, the lens has a few marks before, really do not change
- Q: SLR lens STM what it means
- STM means that the stepper motor is compared with the USM STM very quiet when the focus is very useful when shooting with the USM short film focus sound serious impact shooting
- Q: 120 camera lens focal length
- The camera uses a lens focal length that is different from that used by the 135 camera, with a 6 x 6 example: the standard mirror is 80mm, equal to 50mm for the 135 camera. And 6mm 6 with 50mm is equal to 135 camera 28mm, and 645 with 150mm is equal to 135 camera 90mm.
- Q: SLR camera lens must be installed UV mirror?
- UV mirror is not non-loaded can not, the previous SLR installed UV mirror is to weaken the impact of UV imaging, SLR is now basically the CMOS sensor, UV mirror to become the role of the protection of the lens. Installed not installed to see the individual, installed to protect the lens, but how much will affect the amount of light, there are advantages and disadvantages.
- Q: Canon lens ef what does it mean
- Canon digital SLR lens has two kinds of bayonet: EF and EF-S respectively. EF mount lens, not only can be used in full frame SLR above, and all Canon digital SLR cameras can be used. EF-S lens can only be used in Canon APS-C frame SLR. The reason is simple, because the size of the EF-S lens group is relatively small, but also a small length than the EF, such as installed in the full frame body, full frame SLR reflector will hit the EF-S lens After the group above, so EF-S lens can only be used in the Canon non-full frame (APS-C frame) above the body to go.
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Camera Lens
- Ref Price:
-
$1.03 - 51.50
/ pc
- Loading Port:
- Dalian
- Payment Terms:
- L/C,T/T
- Min Order Qty:
- 1 Piece pc
- Supply Capability:
- 5000 Set/Sets per Month pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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