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расчет работы в выходной день во время командировки, How and Why to Shim Your Cine Lenses - 4K Shooters, Is shimming lenses really that difficult? : r/cinematography - Reddit, Repair: Infinity Calibration Tools (Shims) - Richard Haw's Classic , Lens Spacers, Shims, and Focal Length Extenders - Edmund Optics, Calibrating Your Cinema Lens | How & Why To Shim A Lens, Blackmagic Forum • View topic - lens shim question, Purpose of shims in a lens - Dyxum - Page 1.
Cinema lenses are an entirely different world with various mounts and customizations. You can truly refine a lens to be absolutely perfect for your system – if you are willing to put in the effort. Swapping a mount out or simply getting the accessories for smooth rack focus and aperture are straightforward. Less simple is starting to take apart your lenses to shim them and adjust back focus., Shims allow you to correct any back focus distance to exactly what you need it to be. You will also find there is no one answer on how much you need to correct. The distance can also change if you use the lenses on more than one camera body – even if they are the same exact model., Part of prep with cameras is checking your back focus against your lenses. If all your lenses are not lining up it’s your back focus. If only a few are not lining up then you need to shim those particular lenses..
I have been collecting Cine-Nikkors lately and they've been all adjusted so I could focus properly to infinity. I will show you how I create my shims in this article. Introduction: Shooting with different systems sometimes require different methods to adjust a lens., Shims follow the same basic concept as spacers but are used for fixed magnification lenses such as telecentric lenses. Shims are thin (0.025 - 1.0mm) stainless steel spacers used to control WD with fine precision to guarantee the best image quality., 💭 Comment - Let us know if you have any questions down below!🔧 Book Your Repair - https://buff.ly/2IO0btI🔔 Subscribe - https://buff.ly/2ymYMJQ-----, First, if the lens hits infinity before the mark one needs to add shims. Second, the lens should hit infinity at the mark regardless of the hard stops or lack thereof. Most likely the Duclos adapter is a little short to ensure infinity focus. Most PL adapters I’ve used run .001-.002 short., Third party lenses may use shims to provide registration distances for different camera mounts. I've seen more and thicker shims in aftermarket lenses than OEM. When tinkering with shims, remove the thinnest one and see how that does., Shims para Lentes de Cine y Tv Profesional ⭐ Mejor Precio. Venta de Shims Atlas Lenses, Tokina o Wooden Camera en oferta ⭐ Solicite su Presupuesto..