DULENS APO MINI PRIME 4-LENS SET EF MOUNT 85mm, 58mm, 42mm, 31mm
Used - Excellent
DULENS APO MINI PRIME 4-LENS SET 85MM, 58MM, 42MM, 31MM Condition: They are excellent condition. Some light exterior signs of use. They do have dust inside the lens. No Scratches on the lens. But I have not seen it affect the lens. I love these lenses just do not use them as much as i would of liked. There is a 3-6 month wait on these direct from the manufacturer. See the DULENS website for more details. Key Features: -Covers full-frame sensors -Lightweight, compact -Anti Chromatic Aberration -T 2.4 to T16 -Interchangeable PL/EF mount With each lens weighing about 1.16lbs, DULENS APO MINI PRIME is one of the lightest and most compact prime lens sets on the market. Every APO Mini Prime has a 72mm standard filter thread and an outer diameter of 80mm, which effectively fits most matte boxes and filters on the market. Each focal length shares the exact same shape, making it easy to swap between lenses in the set. Dulens APO Mini Prime Set (31,43,58,85mm) Dulens APO Mini Prime The Dulens APO mini primes are aimed at cinematographers who are both looking for the hard sought after vintage low contrast look with pronounced flares but who dismiss the uncorrected look of vintage primes resulting in chromatic aberrations. The Dulens APO mini primes feature a cinema housing, with non extending or rotating front and a long smooth focus throw with zero backlash making them ideal for usage on higher end productions. The Dulens mini primes are the smallest large format cine primes and are ideal for small scale productions and for those who work with drones, gimbals and other applications where a small scale and lightweight camera build is paramount. All of the Dulens mini primes have a very generous image circle covering about any Large format camera including Red Monstro and Arri LF. The 58 and 85mm will even cover the ARRI Alexa 65. APO ‘ APO’ refers to apochromatic which is a lens design that has better correction of chromatic and spherical aberration than the much more common achromat lenses. Unlike with many modern lenses the APO standard on Dulens APO mini primes lenses is not established by the use of aspherical elements but by a sophisticated lens design to minimize chromatic aberrations. Asphericals have many downfalls including the much hated ‘ onion bokeh’ , which is caused by cnc molding to manufacture the aspherical. Dulens has a nicely pronounced and clean bokeh and due to the high iris blade count the bokeh remains even circular when stopping down the lens to values such as t5.6 or t8.0. Due to the non aspherical lens design there is zero unwanted bokeh texture like onion rings. Focal Lengths The current line up of the Dulens APO mini prime series is 31,43,58 and 85mm. Dulens is working on more focal length and we soon expect the arrival of a 21mm lens. Dulens is researching even wider and much longer focal lengths with the same design philosophy. All of the optics in Dulens APO mini primes are original designs and not just re-releases of vintage optics, instead they are inspired by classic designs but recalculated with modern methods with both the intent to diminish chromatic aberrations and have high MTF (contrast and resolution). Another important feature of this lens series is that the lenses can easily be intercutted and have the same contrast and color and flare properties. 85mm has 7 elements in 6 groups 58mm 9 elements in 8 groups (double-Gauss) 43mm has 10 elements in 8 groups The 31mm features a advanced retrofocus type of optical scheme VC Coating The applied coating to Dulens lens structure is a newly developed coating which we may call “V or VL” coating, as we know there are a lots of cinematographers who prefer non-coated lenses because of it’s very special flare and fog/bloom properties, but it is also challenging for lighting and also results in less light in transmission (T stop vs F stop) and also decreases color accuracy. V coating aims to have a pleasing signature style flare and low contrast but without the loss of light transmission like white glass or non coated lenses. The lens flares produced by this camera are playful and unlike most modern high transmission coatings which create a huge fixed colour flare the Dulens will feature ring shaped and rainbow colors when flaring the lens. Interchangeable Lens Mount Here at Gafpa we will make sure all lenses are collimated, however some lenses might be off, which can be caused by a wrongly collimated camera mount, or an olpf that changes the backfocus of a wider lens virtually. We will provide a tutorial, all you need is a lens spanner to open the lens on the front. With a simple system which can be controlled with a screw driver one can determine infinity focus by focusing the lens on the infinity mark and adjusting the lens accordingly.
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