• Canon Ef 24-105mm F/4L Is Usm System 1
Canon Ef 24-105mm F/4L Is Usm

Canon Ef 24-105mm F/4L Is Usm

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$618.00 - 721.00 / pc get latest price
Loading Port:
Hongkong
Payment Terms:
T/T
Min Order Qty:
5 Units pc
Supply Capability:
50 Unit/Units per Week pc/month

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Angle of View (diagonal)

84o - 23o20'

Lens Construction

18 elements in 13 groups

No. of Diaphragm Blades

8 (Circular Aperture)

Minimum Aperture

f/22

Closest Focusing Distance (m)

0.45m

Maximum Magnification (x)

0.23x

AF Actuator

Ring USM

Filter Diameter (mm)

77mm

Length x Diameter (mm)

107 x 83.5mm

Weight (g)

670g

Accessories

 

Magnification with 
Extension Tube EF 12 II

0.60x - 0.12x

Magnification with 
Extension Tube EF 25 II

0.61x - 0.27x

Lens Hood

EW-83H

Lens Cap

E-77U

 

 

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Q:Is the SLR camera lens easy to erase?
2. If you can use the blower ball can not clean the dust on the surface of the lens, we can also try to use a soft brush to clean the lens, in general, you can remove dirt and other dirty things, and stubborn stains, such as fingerprints, we will use Suede, lens cleaning cloth or lens paper with a lens cleaning solution to clean up. When scrubbing, be careful not to squeeze the lens surface, because the lens surface covered with a layer of vulnerable coating, it is easy to clean because of being wiped away. The cylindrical hair end from the center of the lens rotation outward, gently sweep, so go to the impurities in addition to the lens. In the purchase of lens paper, be sure to go to the regular professional photography store to buy, do not seek cheap and buy low-quality lens paper.
Q:Nikon camera lens focal length
Some of the camera is very stressed that with a 1 cm proximity to support the magic, suitable for shooting fine objects. The lens of the camera is a group of lenses, when parallel to the main optical axis of the light through the lens, it will gather to a little, this point is called the focus, focus to the center of the lens distance, known as the focal length. Focal length fixed lens, that is, fixed focus lens; focal length can adjust the change of the lens, that is, zoom lens. (When a bundle of parallel light passes through the convex lens with the convex lens through the convex lens, the other side of the convex lens is converged by the convex lens, which is called the focal point, and the focal point to the convex lens center distance is called the focal length of the convex lens. There is a focus on each side.) Optical center (Optical center): a special point in the lens, all through the point of light, its propagation direction unchanged. The lens of the camera we use is equivalent to a convex lens, where the film (or the photographic device of the digital camera) is in the vicinity of the focus of the convex lens, or the distance between the film and the convex lens is approximately equal to the focal length of the convex lens. The focal lens of the convex lens can be imaged, usually with a lens of the lens of the camera.
Q:SLR camera lens What does the USM mean?
USM is the acronym for the Ultra Sonic Motor ultrasonic motor. The USM word on the lens parameters indicates that the lens is using an ultrasonic motor. USM features are as follows: 1, with low speed and high torque output characteristics; 2, the braking torque is large; 3, simple structure; 4, the motor starts and the controllability of the brake is very good; 5, the sound is very small, almost silent.
Q:Digital camera on the lens 24 ----- 70 / 2.8 What does it mean?
24-70mmF2.8 with 70-200mmF2.8, will be able to cover the most commonly used from 24-200mm focal lengths, and a constant large aperture, if then with a 16-35mmF2.8 then it is ideal More than three lenses are usually called big three dollars, huh, huh.
Q:What is the difference between a digital camera CMOS lens and a CCD lens? Which lens is better?
CCD and CMOS in the manufacture of the main difference is that the CCD is integrated in the semiconductor single crystal material, and CMOS is integrated in the metal oxide is called the semiconductor material, the working principle is not essential difference. CCD only a few manufacturers such as Sony, Panasonic and other master this technology. And CCD manufacturing process is more complex, the use of CCD camera prices will be relatively expensive. In fact, after technological transformation, the current CCD and CMOS, the actual effect of the gap has been reduced a lot. And CMOS manufacturing costs and power consumption are much lower than the CCD, so many camera manufacturers use CMOS sensor components. Imaging: in the same pixel CCD imaging permeability, sharpness is very good, color reproduction, exposure can guarantee basic accuracy. And CMOS products are often transparent in general, the color of the material to restore the weak, exposure is not very good, due to their physical characteristics of the reasons, CMOS image quality and CCD still have a certain distance. But because of the low price and a high degree of integration, so in the field of camera or has been widely used.
Q:NIKON D90 camera how to take the lens
NIKON D90 SLR camera to remove the lens is not trouble. Press the lens lock button in front of the camera, press the camera while counterclockwise direction, SLR camera lens was successfully removed from the camera. Tip: Remove the lens after the replacement method, put the lens to pick up the lens to be replaced, the lens at the red on the camera bayonet, and then clockwise twist the lens, know that heard the sound, this Description has been successfully replaced the camera lens
Q:SLR camera lens: Since the aperture can be set to a fixed value (such as F3.8), in this case, turn the zoom ring aperture can change?
This is called the fixed maximum aperture, that is, in any focal length below can use F3.8 this maximum aperture. But also can reduce the aperture, such as F8, in general, can be reduced to F22
Q:Nikon digital camera lens back to show how to solve the lens error
Repeatedly shake the lens, you can also repeatedly boot, shut down. that's it. Not to repair it. Nikon after-sales service maintenance is expensive Oh. Find a digital repair shop repair try.
Q:What is the function of the wide-angle lens of a digital camera?
The main parameters of the optical lens and evaluation of the main parameters are focal length, field of view, object distance, aperture, shutter and so on. The most perfect evaluation of the lens than the MTF (Modulation Transfer Function). However, due to aberration (calibration reasons), each range of the lens has an MTF value. These ranges refer to: (1) the paraxial portion, (2) the off-axis portion, and (3) when the optical system has an asymmetric distortion, the two parts are sub-sections in different directions. Each part has its own corresponding MTF value for different radiation energy wavelength ranges. MTF is the most commonly used and optimal index of the imaging system, and it is also the optimal index to guide the integration of machine vision system. ????In the shooting of the distant movement scene, play a key role is the camera shutter speed, which is closely related with the composition, such as children, walking the characters generally more than 1 / 125S can, if the high-speed sports Of the images such as cars and other general in the 1 / 500-1 / 2000S, in general, to be able to shoot the angle to decide.
Q:What is the depth of the camera on the lens there is a circle around the symmetrical aperture scale, what is the role of how to adjust the aperture and speed to meet the required depth of field requirements
From the depth of field table, the depth of field with the set aperture value changes: large aperture depth of field, small aperture depth of field long. Depth of field also changes with the subject distance, when the lens close to the scene when the focus, the depth of field is short, when the distance of the object is very long.

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