90mm refractor

. Optimize your application interface for different devices and provide different bitmaps for different pixel densities. 600DP roughly corresponds to the physical size of 3.75 inches (about 95MM,160DP is 1 inches, according to the screen width), the company T958 (4.5 inch) screen width about 56mm,samsung notes screen width about 71mm; company 370 pad width about 90mm, 470 width approx. 95mm. From the above data, the difference between pad and

First, the current domestic civil license plate are 92-type license plate.Some parameters of its license plate are as follows:A: The total length is 440mm;B: height is 140mm;C: One of the word Fu is 45mm;D: The entire license plate area character length is 409mm (here at the back of the calculation when the convenience is considered 410mm);E: The height of the character is 90mm;F: The distance between the second and third characters is 34mm;G: The dis

of the fuselage looks more domineering, especially the body width actually reached 90mm, most users are relatively difficult to implement single-handed operations. According to glory, this honor NOTE8 screen accounted for 80% of the total, and the upper and lower parts of the fuselage were relatively narrow, so they can feel relatively compact to a certain extent.On the back of the fuselage, the back of Honor NOTE 8 is a traditional three-segment met

classes (such as lists and grid lists) have built-in boundary feedback. If you need to customize the interface, remember to provide boundary feedback. 6. measurement unit and grid In addition to the physical size of the screen, the pixel density (DPI) varies with devices. To simplify the design complexity for different screens, you can classify devices by size and pixel density. The two types of devices are handheld devices (less than 600 dp) and tablets (greater than or equal to 600dp ). LDPI,

composition and various adjustments in real time, its meaning is very big. In addition, many people can observe images and exchange opinions during the shooting process, which is also a feature that previous SLRs cannot achieve. It can be said that the emergence of the real-time display shooting function has brought huge changes to different shooting fields, and the real-time display shooting function in the field of product photography is even more indispensable, undertake the function is very

To the photography enthusiasts to share a detailed analysis of the Canon 5DMarkII to prevent the deformation of the photography of the merchandise photo shoot tutorial. Tutorial Sharing: First, set the camera as far as possible in the right and above the wooden box position, and tilt the camera slightly downward. Offset downward to ensure that the product does not deform. At this point to try to use a longer focus lens, you can better avoid deformation. Therefore, the ts-e

the self-occlusion exists, that is, to interrupt the elasticity between non-connection nodes (?). However, we are aware that this problem still exists to a certain extent. We need to find a robust technology to reduce the ambiguity of the observed value. Inspired by [15], the calculated shapes and values are strictly aligned (?), This further reduces the reconstruction error. In our experiment, the mean reconstruction error is about 200mm, and the mean distribution error is

! Small first-level aperture is not a serious problem for wide-angle lenses. However, EF 17-40/4 l usm does not have good imaging of the most marginal part of the entire body, and has lost two other f/2.8 bosses in APS-C. You may consider using the EOS 7D body. (3) Remote firepowerEF 17-40mm f/4L USMEF 24-105mm f/4L IS USMEF 100-400mm f/4.5-5.6L IS USMMarket reference price: ￥5120 + 6280 + 11800A: It reaches the superfocal length.S: The Performance of the old IS lens IS slightly poor.This conf

m3 was released, which shocked the whole world, the camera manufacturing plants that were able to copy Leica for war were stunned. The emergence of Leica m3 left behind all the cameras at that time. The metal body of M3 is not only strong, but also skillful. The specifications and parameters in all aspects were the top level at that time, and it was a perfect camera. M3 first innovated the bayonet system. The lens bayonet was changed from the L39 screw port to the m port of the insert knife

Note: For a lens with IS, The number marked later indicates the IS anti-shake level. 1987EF 15mm F2.8 fisheyeEF 28 m F2.8EF 135mm F2.8 (soft)EF 50mm F2.5 macro 1988EF 24mm F2.8 1990EF 35mm F2EF 50mm F1.8 II 1991EF 100 F2 USMTS-E 45mm F2.8TS-E 90mm F2.8 1992EF 20mm F2.8 USMEF 85mm F1.8 USM 1993EF 50mm F1.4 USMEF 400mm F5.6L USM 1995EF 70-200mm F2.8L USMEF 28mm F1.8 USM 1996EF 135 F2L USMEF 200mm F2.8L II USMEF 180mm F3.5L macro USM 1997EF 300mm F4L is

following: At this point, the resulting results should look like the following: Select the object, execute menu: Filter style projection ..., and in the pop-up dialog box, make the following settings: After the filter effect is performed, the results are as follows: Click the new Layer button at the bottom of the layers panel , create a new layer. Then select the rectangular tool, draw a and above the rounded corner of the scroll

right levels, but also prompts the tilt of the front and rear. Panasonic LX7 is equipped with a brand new 1/1.7 inch 10.1 million pixel high sensitive MOS sensor with high photosensitive and high quality, and also built-in Venus Engine VII FHD Image processor, ISO range is iso80-6400 (up to 12800 equivalent value )。 Canon G15 is equipped with an equivalent 28-140mm 5 times optical zoom lens, aperture to f1.8-2.8, can shoot a very shallow depth of the macro work, support

Look at the effect chart first. Steps 1--size, bleed, color mode and resolution Open PS, and then need to know a little business card design knowledge, the most important is no doubt the size, can refer to the National business Card design rules, determine the size of business cards, domestic is generally 90mm*54mm (the article says the Anglo-American country is generally 3.5 * 2 inches). The color mode is cmyk,8 16-bit 32-b

To give you illustrator software users to detailed analysis to share the design of the more complex spider web Painting tutorial. Tutorial Sharing: First, we create a new layer, the use of spiral tool to draw the web of the parallels, set parameters: radius of 90mm; attenuation 95%; Paragraph 70, as shown: The weft of the spider web is drawn, then to draw the warp of the spider web, select the Star tool, set

Channel, and ATM, can be used for horizontal systems, vertical systems and centralized fiber cabling. The optical fiber uses the low smoke halogen free skin, conforms to the standard request. Can prevent the spread of flames, prevent the distribution of smoke, acid gas and gas, etc. There are many types and models to choose from, suitable for various architectures and applications; The minimum installation radius is 90mm and the minimum service ra