Summicorn 35mm ASPH + slotted round 12585 lens hood?

<p>I am considering buying a Summicron 35mm ASPH - it is in mint condition but the lens hood (12526) is missing. Will there be any problems using the slotted round lens hood (12585) from my much older 50mm Summicron?<br>

Thanks, David</p>

<p>12585 may be too deep and vignette a 35mm lens...proper one would be 12504 which will work fine or the new plastic 12524 or 12526 rectangular hoods with the tab to index it properly. </p>

<p>I use this one - and it's fantastic:</p>

<p>http://www.japanexposures.com/shop/product_info.php?cPath=44&products_id=216</p>

<p>The best is evidently the dedicated hood, 12526. Firstly because a rectangular hood properly matched to a lens allows better shielding than a round hood, secondly because even a new replacement hood is likely to be only slightly more than 5% of the cost of your mint condition lens.</p>

<p>Not sure if the 12585 will even properly fit your new lens, but if it does you might first try it. Best way to check if there is any interference is to place the shutter on B, place the camera towards a bright light source (e.g., sky) and while looking through the lens from the front tilt the body successively upwards-downwards and from side to side. If you can do this at near and far focus and always see the full frame without the lens hood cutting off the view, it would probably be fairly safe to say that the round lens hood will not vignette.</p>

<p>belay my previous comment on 12585! My old 12585H is engraved for 6 different lenses including an f2 35mm--should work just fine on your lens...save the money. It'll look a bit larger that the current plastic rectangular ones, but should shoot fine..</p>

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<p> The best is evidently the dedicated hood, 12526. Firstly because a rectangular hood properly matched to a lens</p>

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<p>The 12526, ... also properly matched to the wider 2.8/28. Well-well.</p>

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<p>secondly because even a new replacement hood is likely to be only slightly more than 5% of the cost of your mint condition lens.</p>

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<p>That lousy piece of plastic is 4.7% of a new lens (2/35A). A costly lens. I consider one or two empty filter rings the better solution.</p>

<p>I currently have the special LHSA "Hammertone" retro-styled version of the 35/2 ASPH, which came w/its own ugly (IMHO) Hammertone version of the 12504, but also takes the standard 12526. For practical purposes, I prefer the 12526 for the reasons that Mr. Plumpton notes & because it is small & strong (unlike some other modern Leica dedicated hoods), but usually have an original 12504 on it to maintain the retro look. Not sure if the 12504 or 12585 fit on the regular 35/2 ASPH, but if they do, the 12504 definitely works without vignetting (haven't tried a 12585). For those who are understandably reluctant to shell out for a new 12526, they do come up used for reasonable prices on eBay from time to time.</p>