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I've been enjoying this community immensely so I thought I would give back to the community and offer my two Rokinons and a very good bargain that would be very difficult to find elsewhere. I'll be moving into a different system soon, otherwise I would be keeping these awesome lens'. **IN EXCELLENT CONDITION** Rokinon 12mm F2.0 NCS CS Ultra Wide Angle Lens for Samsung NX Mount Nano Crystal Coating System (NCS) for increased light transmission and reduced internal reflections Fast F2.0 maximum Aperture + close-focusing to 9.5 inches = maximum versatility in all shooting conditions Optimized for excellent optical quality and true ultra-wide 110 degree edge to edge coverage with APS-C sensor digital cameras Utilizes 3 high precision (2 Aspherical + 1 ED) lens elements for superior image quality Inner focusing system (IF) - length doesn't change and front element does not rotate - keeps integrated petal-type lens hood properly oriented End cap and lens cover $200.00 USD ($20 shipping estimate to U.S. only) Rokinon 135mm F2.0 ED UMC Telephoto Lens for Samsung NX Mount Rokinon Ultra Multi-Coated (UMC) Optics Minimum Focusing Distance of 2.6 ft. with fast apertures of f2.0 - f22 Features 9 diaphragm blades Removable lens hood End cap and lens cover $400.00 USD ($20 shipping estimate to U.S. only) As a set = $550.00 USD ($40 shipping estimate to U.S. only) Accept Paypal. ACTUAL PHOTOS BELOW:
Hi all, I've sadly decided to part with my lovely Voigtlander 35mm F1.2 Nokton Aspherical lens Leica M mount. I used it as my taking lens for my anamorphic adaptor because its so sharp. (nearly perfect condition. Not 'as new', but almost - a TINY paint bash (size of a grain of salt) hence reduced price) 600 Lumix adaptor M-mount / M43 (these seem to be selling new for over £200 now! This is in great condition) 90 I'm also selling: Nikkor 20mm 3.5 - great vintage lens - lovely flares, if thats your kind of thing. They seem to be selling on eBay for close to 400. This one is in good condition. Some tiny cleaning scratches on front element and slight movement - hence reduced price - but good snap to the focus ring though. Its ai mount which fits on F mount. 250 Nikkor Zoom 28-85 3.5-4.5 Top condition - but a very common lens - prices to sell 100 Will sell all inclusive for £940. Chance to get a bargain. Other adaptors, if you're interested: M42-M4/3 - free B4 - M4/3 - they're selling for between 120-150 on eBay - mine 80 - again, priced to sell. I have used all these lenses on my Sony a7s, and previously a Panasonic GH3 to great effect. Jules
I'm looking to learn how to fully clean/repair lenses more than simply puffing with a blower and wiping with a cloth... I have a bunch of old P entax SMC lenses that I don't mind pulling apart (two of them have a little fungus) and want to use them to practice repairing old manual primes. Unfortunately I can't find much online, nor any books on the topic. I have even tried to find information on specific lenses (Pentax, Nikkor etc.) but still nothing detailed. So essentially I am asking if anyone knows of books/websites etc. here I might be able to learn anything related to pulling lenses apart, cleaning/repairing them, and putting them back together again (all stages being vital!). I understand that this is as much a science as a skill, with precision and math being vital... but surely the talented folks repairing lenses haven't all learnt through apprenticeship? I've been pulling apart and re-assembling things since I was a kid (to various degrees of success), and sooner or later I'm just going to dive in... so please educate me before I make a mess!