看看这个是什么显微镜？下面大概是介绍的文章，我看不懂，哪位给翻译下
MY FAVOURITE MICROSCOPE
(A review of the McArthur Microscope)
Text by Don Bruce, Images by William Ells

I suppose everyone interested in microscopy has a favourite microscope, I have always been attracted to miniaturisation and when it is combined with superb engineering mine has to be the McArthur microscope. (see photograph/s) This gem of a portable microscope is solid in construction all components being mounted in a aluminium block with a very firm mounting for the slide. The instrument measures only 4" x 2.5" x 2" (102 x 63 x 51 mm.) yet it is capable of all that can be accomplished with a bench microscope of similar optical specification, it will even accept a binocular head.

To keep within the limits of the small body Dr.John McArthur designed a folded optical prismatic system mounted in a detachable tube which approximated the 160mm. tube length of the standard microscope. This tube forms the base of the microscope. Light enters the instrument from above, either by means of the stainless steel mirror or from a built in electric lamp and passes downwards through the iris and condenser to the specimen. The objectives are below the specimen and the light forming image is reflected by the prismatic system to the eyepiece, the image is the right way up, not inverted as in a conventional microscope.

The microscope slide on which the specimen is mounted is placed coverglass down on the stage the upper surface of the cover glass being level with the upper surface of the stage. Thus the specimen is always in focus irrespective of the thickness of the slide. A fine focus control is provided to allow for specimen thickness, coarse focussing is unnecessary.

The three objectives are optically standard but mechanically shortened and mounted on a sliding plate, they are interchangeable, with a comprehensive range of objectives, including 4:1 and a 100:1 oil immersion, a phase contrast set for example could be mounted on a spare sliding plate, although I have only one plate fitted with 10:1, 20:1, & 40:1. dry objectives. Because the objectives are always in focus the Abbe condenser is also in permanent focus and likewise interchangeable. The eyepiece is a RMS size push fit and also interchangeable, mine is a 10:1.

The latest models are fitted with a tapping in the base which will accept a camera tripod. A short tripod greatly facilitates bench use of the microscope. Mine was an earlier model so I have manufactured a cradle to take the microscope and this can be fitted to a tripod. The weight of the microscope without its case is only 18 ounces (510 gms.). The one inconve- nience I have found is the standard 3" x 1" (76 x 25 mm.) microscope slide projects over the edges of the stage and can be easily caught by the fingers when the instrument is hand held and the objective plate is being manipulated.

The McArthur microscope has been manufactured by several companies since its inception. Today it is marketed by Prior Scientific Instruments, London Road, Bishops Stortford, Herts, CM23 5NB. Tel: 0127 506414. I do not know the current price, their 1980 price list quotes L407 plus VAT for the standard outfit for Bright field work, with mirror, Abbe condenser, Huygenian 10:1 eyepiece, 10:1, 40:1 & 100:1 o.i. objectives, lamp, simple light tube and vinyl case. At one stage Dr.McArthur manufactured the instrument himself and it is one from his production line which I own. I bought it second hand in mint condition in 1968 from Dr.Raymond Greene, brother of author Graham Greene, for L30. If you like the McArthur microscope but do not like its price it is sometimes available on the second hand market at around 250.00 pounds.

There is a very cheap alternative, and that is the McArthur microscope designed for the Open University, It employs the same system as the original microscope but is larger in length & height 5" x 3" (127 x 76 mm.) but at 1" (25 mm.) only half the thickness. It is made almost entirely of plastic with a total weight of 7.5 ounces (198.5 grams). The standard Open University microscope has a fixed 10:1 eyepiece with a sliding objective plate with fixed 8:1 & 20:1 objectives. It has an internal light source or it can be used with an external lamp or daylight. There is a tripod adapter in the base. The specimen slide is held longitudinally and is therefore more easily controlled and is not likely to be moved by the fingers when handling the instrument.

The Swift Microscope
I have added a photograph of the Swift Field Microscope which I also own, it is similar in concept to the MacArthur but not so compact, for example the mirror and condensor is not built in. Note the objectives are on revolving holder not in line on a slider as on the MacArthur.

by Don Bruce 1995

那里有买的，光学多少倍

f_64:我就在南京，请问是哪家厂生产的？

今年偶上了台全新的南京产，3X0人刀，尤其是看鱼缸水中的轮虫，用数码机拍出来，自己看看给孩子普及科普知识很好玩，强烈推荐每个色友都上一台，也就是片滤镜的价格啊！顺便说句：看看这么沉的一台显微镜才几百块，还配了好几个目镜物镜，便宜啊！

用处不大，初看看比较新鲜有趣，很快就厌倦了。

"显微镜的目镜类似于望远镜的目镜，甚至可以通用"

是吗,太好了,我有一大堆菜丝的目镜,串起来一大串,一直不知道做什么用只当做铃铛听响儿.

银龙武士:前些日子买过一个2手的，功能还算正常。一直没去弄些载玻片和盖玻片，不能看。

您买的是生物显微镜，那种用起来比较麻烦一些，但放大倍数较高。我用的这种体视显微镜不需要切片，可直接观察标本，比较方便。

显微镜※※我确实没有太深研究，我的上述观点实际上出自劳森的《显微摄影技术》。
另外显微镜和望远镜确实原理上确实有相关性，一些日本公司好像生产过既可当望远镜又可作显微镜使用的多用型产品。当然效果肯定不如专用的好，望远镜倒过来确实具有放大镜功能。

我也喜欢显微镜以及一切光学仪器
不过纠正楼主一点，显微镜不是望远镜倒过来，另外望远镜其实不是伽力略发明的，而是他改进的

蔡斯的目镜和物镜也有几个，就是还没有整机。二手的不好找，价格也太高。

就俺的理解，LEICA有最好的显微镜物镜，ZEISS有最好的电气部分，OLYMPUS有最佳性价比，NIKON系统的可扩充性最好。

俺是搞生物的，这玩意儿经常用。我们这里蔡斯的显微镜一大队。

喜欢显微镜的人逐渐多了起来，对显微镜有兴趣的朋友，请到这里喝杯咖啡，聊聊显微镜的话题。


显微镜咖啡屋VIP（现有嘉宾132人 随时补充 请踊跃报名）：
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显微镜厂商网站：
蔡司：    http://www_zeiss_com_cn/       http://www_zeiss_com_hk/
莱卡：    http://www_leica-microsystems_com/home/index_innovation_2.html
尼康：    http://show18100911_18show_cn/
奥林巴斯：http://www_olympuschina_com/

显微镜资料网站：
http://www_musoptin_com/mikro1.html
http://www_mikroskop-online_de
http://www_microscopy-uk_org_uk/index.html/
http://microscopy_fsu_edu/

[chnepal 编辑于 2007-05-15 17:45]