Notice that this lens is actually different than the plano convex lens used in the original Galilean telescope, but still gives the same results.

請(qǐng)注意成年肉动漫在线观看无修，這個(gè)鏡頭實(shí)際上是平凸比在原來的伽利略望遠(yuǎn)鏡所使用的鏡頭不同啪啪啪免费无码视频，但仍給了相同的結(jié)果。

Reflection system uses the precise ion plating film reflection bowl and the precise aspherical plano convex lens.

反光碗采用高效離子鍍膜凌面橢球體反光碗免费看的毛片大全网站，射出的光比同類產(chǎn)品的溫度降低40%wwjizz国产，使燈泡壽命延長(zhǎng)欧美激情久久。

As far as I know there are three kinds fo such tests commonly exist - the Dall Null test which uses a single plano-convex lens, an auto-collimating test uses a flat as big as the mirror under test and Offner test using two plano convex lens.

據(jù)我所知現(xiàn)時(shí)一般存有3種此類測(cè)試，其一是達(dá)耳零位測(cè)試采用單一只平凸透鏡国产熟睡乱子乱A片，再有是自準(zhǔn)直測(cè)試采用一塊平鏡大小一如被測(cè)試的反射鏡国产AV无码AV一区，及 Offner 測(cè)試采用2只平凸透鏡。

plano convex spotlight：平凸型聚光燈

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