Canon fl 55mm f1.2 lens radioactivity
WebJul 19, 2024 · This was actually true of a number of top-of-the-line lenses at the time such as the Canon FL 58mm f/1.2, the SMC Takumar 50mm f/1.4, the Konica Hexanon 57mm f/1.2 and many more. The source of radioactivity stems from the thorium added to the glass to improve the optical qualities while also keeping them smaller and lighter. WebSince it was made convertable to EOS without optical elements and infinity focus lost - it became strong alternate to EF 50 f/1.2 lense. The only converter solution for now is the …
Canon fl 55mm f1.2 lens radioactivity
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Web22K views 12 years ago. Radioactive Canon 55mm f/1.2 lens -- radioactivity as measured by a simple geiger counter is compared to other common household items: Waterford … WebApr 29, 2009 · I don't think the 55mm 1.2's are radioactive. Neither are are 50mm 1.2's including L series. The poster said radioactivity was found in "58mm 1.2", The FL from …
WebFeb 2, 2024 · I don’t think the Canon FL 135mm f2.5 is radioactive, especially if it does not have the telltale yellowing of the optical elements. It would be nice to test it with a Geiger … http://ayton.id.au/wiki/doku.php?id=photo:lenses_radioactive
WebFind many great new & used options and get the best deals for @SakuraDo Camera @ Rare & Excellent @ Canon FL 55mm f1.2 Very Fast MF Prime Lens at the best online prices at eBay! Free shipping for many products! WebThe front element is yellow but this one is not radioactive like the 58mm f1.2. It's clear inside so no UV treatment necessary. Stopped down and this monster can get quite …
WebMay 15, 2012 · It makes sense since the chunk of thorium in the 1.2 lens is massive in comparison. My 126k serial number aspherical 55 is not radioactive so Canon must …
WebThese lenses have been employed in a variety of applications including television cameras, 35 mm cameras, military optics, microfilm readers and aerial cameras. The production of such lenses seems to have ended in the late 1980s. Camera lenses known to have contained thorium include: Canon FL 58mm f1.2 literary devices stave four a christmas carolWebCanon FD 55mm f/1.2 S.S.C. Aspherical: 46532 CPM [191%] Note: There is no detectable gamma radiation coming out from four of the lenses marked "slightly radioactive" in the … literary devices similar to ironyWebOct 12, 2024 · The lens had a hand-made aspherical element ("AL"-part of the name), so a little crisper than the standard f1.2 at the time, I suppose. I have the FL 55mm f1.2 myself, and don't care about the lack of sharpness, wide open. The only reason I find it worthwhile to keep in my lens collection, is the lovely rendering. importance of refluxing in organic chemistryWebOct 11, 2011 · Posted: Fri Jun 10, 2011 8:30 am Post subject: The FL 58mm f/1.2 is radioactive so maybe part of the quality is enabled by thorium glass. The non-radioactive FL 55mm f/1.2 may have been … literary devices that start with dWebCanon FL 55mm F/1.2 Standard prime lens • Film era • Discontinued Abbreviations FL The lens is designed for Canon 35mm film SLR cameras with the Canon FL mount. Production details Model history (5) Features … literary devices symbolism examplesWebキャノン Canon FT QL LENS FL 55mm 1:1.2 です。 実際に撮影しての動作確認をしておりませんのでジャンク扱いでお願いいたします。 シャッターはきれました。 シャッタースピードも変わります。 レンズは比較的綺麗だと思いますが、レンズ表面右側に点状の傷が二か所見られます。(写真参考） その ... importance of reflexive pronounWebAug 27, 2024 · However, I will say that the Canon FL 55mm f/1.2 is my favorite "budget" f/1.2. The later FD versions are probably at least comparable optically, although build quality on the FLs is actually a tad better. ... Canon 55mm f/1.2 S.S.C. AL is a siblig of Canon K35 55mm T1.3 lens, same optics, probably same coatings. K35s are hell expensive. Paying ... importance of refrigeration cycles