F f-Number: A symbol that expresses the relative aperture of a lens.

f-制光圈∶一個(gè)表示鏡頭的相對(duì)光圈的單位亚洲中文字幕无码乱线。

Solid immersion lens was employed to increase the optical writing density. The position of foci and numerical aperture of the focusing system with SIL were simulated, and the threedimensional optical data storage was conducted.

為進(jìn)一步提高光存儲(chǔ)密度，利用固體侵沒(méi)透鏡與數(shù)值孔徑為0.55的長(zhǎng)工作距離物鏡對(duì)飛秒激光脈沖進(jìn)行聚焦，完成了PMMA及石英介質(zhì)上的存儲(chǔ)實(shí)驗(yàn)，并對(duì)聚焦物鏡焦點(diǎn)與SIL底面離焦時(shí)的介質(zhì)內(nèi)焦點(diǎn)位置和系統(tǒng)的數(shù)值孔徑進(jìn)行了模擬GOGO大胆国模一区二区私拍。

When the measuring system of point scanning confocal microscope is designed,the parameter of object lens is important because the measuring precision of the system are determined by the numerical aperture of lens.

在設(shè)計(jì)點(diǎn)掃描激光共焦顯微鏡測(cè)量系統(tǒng)時(shí)，物鏡參數(shù)的選擇是至關(guān)重要的免費的歐美黃色網站，因?yàn)樗臄?shù)值孔徑大小直接影響著系統(tǒng)的測(cè)量精度www.国产精品久久久久久。

Its R/W device has a single laser source and a single object lens. The wavelength of laser source and the numerical aperture of object lens are between those of CD and DVD or same as those of CD.

此種光學(xué)記錄媒體的讀寫(xiě)裝置具有單一激光光源以及單一物鏡，激光光源的波長(zhǎng)和物鏡的數(shù)值孔徑介于CD與DVD規(guī)格之間欧美一区欧美一区，或與CD規(guī)格相同。

Optical system design for lens with relative aperture of 1∶1［J］.

相對(duì)孔徑為1：1鏡頭的光學(xué)系統(tǒng)設(shè)計(jì)［J］美女被c视频。

A spectral camera lens with the relative aperture of 1∶1 is introduced.

介紹一種相對(duì)孔徑為1：1的光譜攝像鏡頭。

The relative aperture of the zoom lens is F/1.6 in this design.

用實(shí)例說(shuō)明水下鏡頭的設(shè)計(jì)方法，設(shè)計(jì)的鏡頭相對(duì)孔徑為F/1.6国产精品无码免费观在线。

According to third-order aberration theory, the conditions of the absence of aberrations were analyzed, and the influences to the remaining high order aberrations of the system caused by the change of the relative aperture of the primary mirror, the position of the corrector and the different combination of the positive and negative lens in the corrector were investigated.

根據(jù)像差理論分析了消像差的條件在线视频国产盗摄，研究了主鏡的相對(duì)孔徑變化、校正板在次鏡后的位置變化以及無(wú)光焦度校正板的正負(fù)透鏡的不同組合形式對(duì)系統(tǒng)高級(jí)殘余像差的影響人妖系列。

With a maximum aperture of f/2.5, and by applying classical and proven spherical lens designs, these lenses provide excellent quality.

憑借f/2.5鏡頭最大光圈91绿帽人妻国内，并運(yùn)用傳統(tǒng)和證明球面鏡片的設(shè)計(jì)，這些鏡頭提供優(yōu)良的品質(zhì)在线色网站。

of designing an achromatic lens with F/#=1 and aperture D=5mm is developed and numerical simulation is performed.

利用這種特性欧美好色aaa，本文提出了一種變深度亞波長(zhǎng)孔陣金屬折衍混合透鏡（DV- SHAM R/D lens），它是由DV- SHAM lens與折射透鏡結(jié)合国产日日操夜夜操，能夠消色差爱爱网址，實(shí)現(xiàn)寬波段成像。