Editing (section) 42mm screw lenses 0 You are not logged in. The rich text editor does not work with JavaScript switched off. Please either enable it in your browser options, or visit your preferences to switch to the old MediaWiki editor <h2 data-rte-spaces-before="1" data-rte-spaces-after="1"> <a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Pentax%22%2C%22link%22%3A%22Pentax%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BPentax%5D%5D%22%7D" data-rte-instance="211208-17701479295ded9a1d3800c" href="/wiki/Pentax" title="Pentax">Pentax</a> </h2> <p data-rte-fromparser="true"><a data-rte-meta="%7B%22type%22%3A%22internal%22%2C%22text%22%3A%22Pentax%22%2C%22link%22%3A%22Pentax%22%2C%22wasblank%22%3Atrue%2C%22noforce%22%3Atrue%2C%22wikitext%22%3A%22%5B%5BPentax%5D%5D%22%7D" data-rte-instance="211208-17701479295ded9a1d3800c" href="/wiki/Pentax" title="Pentax">Pentax</a> made the widest line of M42 lenses under the name of <b>Takumar</b>. There are 4 types of these lenses, listed in chronological order: </p> <ul><li data-rte-spaces-before="1">type 0: Takumar (preset: Succeeds the older 37mm version of the Takumar </li><li data-rte-spaces-before="1">type I: Auto-Takumar: A lever is added to allow for full aperture focusing </li><li data-rte-spaces-before="1">type II: Super-Takumar: Fully-automatic diaphragm that does not needs to be cocked manually, single layer of coating, however some rare later versions are multi coated </li><li data-rte-spaces-before="1">type III: Super-Multi-Coated Takumar: Extra pin for open aperture metering with the Spotmatic-F/ES/ES-II, super multi coated, maybe the best coating at the time developed by Asahi Opt. Co. for the small windows of Gemini spacecraft; S.M.C. is the same technology of the T* of Carl Zeiss W.G. </li><li data-rte-spaces-before="1">type IV: SMC Takumar: newer version that uses a rubberized instead of the metal focusing ring </li></ul> <p data-rte-fromparser="true" data-rte-empty-lines-before="1">The lenses are listed, with the types known to exist for sure: </p> <table> <tr valign="top" data-rte-attribs="valign=top" data-rte-empty-lines-before="1"> <td> <ul><li data-rte-spaces-before="1">15/3.5 (III, IV) </li><li data-rte-spaces-before="1">17/4 Fisheye (II, III, IV) </li><li data-rte-spaces-before="1">18/11 Fisheye (II) </li><li data-rte-spaces-before="1">20/4.5 (II, III) </li><li data-rte-spaces-before="1">24/3.5 (II, III) </li><li data-rte-spaces-before="1">28/3.5 (II, III) </li><li data-rte-spaces-before="1">35/2 (II, III) </li><li data-rte-spaces-before="1">35/2.3 (I) </li><li data-rte-spaces-before="1">35/3.5 (I, II, III) </li><li data-rte-spaces-before="1">35/4 (0) </li><li data-rte-spaces-before="1">50/1.4 (II, III, IV) </li></ul> </td><td> <ul><li data-rte-spaces-before="1">50/1.8 (I, II, III) </li><li data-rte-spaces-before="1">50/3.5 (0) </li><li data-rte-spaces-before="1">50/4 Macro (II, III, IV) </li><li data-rte-spaces-before="1">55/1.8 (0, I, II, III, IV) </li><li data-rte-spaces-before="1">55/2 (0, I, II, III, IV) </li><li data-rte-spaces-before="1">55/2.2 (0, I) </li><li data-rte-spaces-before="1">58/2 (0) </li><li data-rte-spaces-before="1">58/2.4 (0) </li><li data-rte-spaces-before="1">83/1.9 (0) </li><li data-rte-spaces-before="1">85/1.8 (I, III) </li><li data-rte-spaces-before="1">85/1.9 (II) </li></ul> </td><td> <ul><li data-rte-spaces-before="1">100/2 (0) </li><li data-rte-spaces-before="1">100/3.5 (0) </li><li data-rte-spaces-before="1">100/4 Bellows (0, III) </li><li data-rte-spaces-before="1">100/4 Macro (IV) </li><li data-rte-spaces-before="1">105/2.8 (0, I, II, III) </li><li data-rte-spaces-before="1">108/2.8 Index (III) </li><li data-rte-spaces-before="1">120/2.8 (III) </li><li data-rte-spaces-before="1">135/2.5 5 elements/5 groups (II, III) </li><li data-rte-spaces-before="1">135/2.5 6 elements/6groups (III) </li><li data-rte-spaces-before="1">135/3.5 (0, I, II, III) </li><li data-rte-spaces-before="1">150/4 (II, III) </li><li data-rte-spaces-before="1">200/3.5 (0) </li></ul> </td><td> <ul><li data-rte-spaces-before="1">200/4 (II, III) </li><li data-rte-spaces-before="1">200/5.6 Tele (II) </li><li data-rte-spaces-before="1">300/4 (0, II, III) </li><li data-rte-spaces-before="1">300/6.3 Tele (II) </li><li data-rte-spaces-before="1">400/5.6 (II, III) </li><li data-rte-spaces-before="1">500/4.5 (0, II, III) </li><li data-rte-spaces-before="1">500/5 (0) </li><li data-rte-spaces-before="1">1000/8 (0, III) </li></ul> <ul data-rte-empty-lines-before="1"><li data-rte-spaces-before="1">70-150/4.5 (II, III) </li><li data-rte-spaces-before="1">85-210 (II, III) </li></ul> </td></tr></table> <p /> <!-- Saved in parser cache with key camerapedia:rte-parser-cache:1760 --> Loading editor Below are some commonly used wiki markup codes. 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