全銅工藝單筒望遠鏡團購 - update 1
A friend bought a similar one (30 X, 30 mm aperture) around 1965 for about $15!TONGKW 寫:我本來也想買但發現我也有壹枝這類型的”海盜”望遠鏡,magnification =25 x and aperture =30 mm 是數年前在鴨寮街買的,價錢不記得了。如這次團購的有大些口徑,我會考慮買。
Then I "beg" him to re-sell it to me by installment (repaying $0.5/week!). That was my second telescope (my first was made from my grandma's eye-glass) which was then dismantled and studied in depth.
Without much knowledge in optics, I replaced the eyepiece with a "toy" microscope and successfully pushed the magnification to >100. Surely the image was very dimm except for the brightest objects.
PTS
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