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Showing results for tags 'helicoid'.
Found 4 results
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Hello, I'm new to this forum and I'm seeking some experienced advice. I recently purchased a Leitz Summaron 35 f3.5 with goggles from eBay at a very reasonable price - for a reason - the rear element has considerable haze/fog that is noticeable on every image. I've been reading on the web that it is possible to clean the glass and even to DIY it: Removing Haze from Leitz 35mm F/3.5 Summaron Lens - DJCPHOTO.COM Now, I've tried going ahead with the instructions provided by the link above but I'm finding it impossible to remove the rear lens retaining ring. In addition, I have unscrewed the focusing helicoid and I think I have not been able to put it back together correctly. Apart from sending my lens to more competent hands, does anyone have other advice or guidelines for cleaning the lenses (and putting the focusing helicoid back correctly...) myself? Thanks for your time
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Hi all, I have two identical Voigtlander Nokton 1.4 MC II lenses - the one on the right appears to have more grease than on the left, in fact, I can't see much grease on the left. The one on the right is also much stiffer to rotate. The one on the left is much easier to rotate, as I prefer it, but if you focus to the infinity hard stop, and slowly back off, there is a slight annoying sticking "jump", missing the focus point, and you have to push focus forwards again towards infinity to regain focus. 1) Please can you comment on the amount of grease on the helicoids on both lenses, does one have too much and the other too little? 2) How do I remedy both the stiffer ring of the right, and the sticky ring of the left? Thanks
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According to Sonyalpharumors website the NEX-FF photocamera project will come within 2 months. In light of the quality expressed by the Sony RX1®, is there a possibility that - from a technical perspective - the new NEX-FF will impact on Leica affecting the new M240 in terms of overall image quality and sales (being offered at a more affordable price)?
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Hi, to everybody that does portraits with m lenses and wants to get closer to the subject/model thsi adapter will ad this functionality: DLX Adapter Leica M Linse an L Mount Fotodiox DLX Stretch Objektivadapter Leica M Linse an L-Mount Kamera sold by lumiere shop : https://lumiere-shop.de maybe there is another shop in GB and the US that does provide the adapter. I know there is one from light lens lab, but they struggle to deliver. so as I am waiting for it to compare , I got this and I am very happy with it.
