ko 120m

Ko 120m

It is autumn. Me think that some of the projection lens I use capture well the mood of autumn.

Seems that I introduced a bit of vignetting. With a BIG unprotected front element, the contrast is low and there is always some light leaking over the frame. A lot of work is needed in post-processing. It is autumn. Me think that some of the projection lens I use capture well the mood of autumn.

Ko 120m

Review of the lens KOM 1: 1. Has a curved field. Years of production: from the 60s to the 90s MMZ. The lens itself is just a tube consisting of two detachable parts, each of which contains a gluing of two lenses. There are no focusers, no apertures in the lens. Therefore, to use it, the lens was mounted in a temporary which has remained constant for now focuser made of an epoxy-paper tube with an EF mount: a loop on the lens barrel is cut through which the stem from the tube travels and focusing is carried out. In addition, to use this lens, it should be blackened from the inside: it is better with toner from a printer or soot. The large flange focal distance allows this lens to be easily transplanted to most modern small format cameras. In general, we can say that this is an enthusiast lens that requires a lot of time or money before you can shoot with it. So is the skin worth the candle? View of two KOM 1 lenses: 1. Looking at the diagram of the lens, you can immediately notice that it has a curved field. What does it mean? What is the threat? This means that the field of focus of the lens is curved with an arc: the focus is farther in the center, and closer to the photographer at the edge.

The large flange focal distance allows this lens to be easily transplanted to most modern small format cameras. Focusers for such lenses can be found on AliExpress today, but ko 120m this lens, made even before they appeared on the market, a simple multi-pass duralumin helicoid was made, providing a very short minimum focusing distance about cm and a soft, ko 120m, smooth motion of a heavy lens block. Therefore, ko 120m, it is also not cheap.

Do you like a good instrumental music? Listen to new beautiful music from composer Sergei Borodin. Click HERE This results in considerable field curvature. The optical elements are covered with single-layer chemical coating. The lens was manufactured at different plants for dozens of years.

Being one of the first lenses converted in this version, the KOM looks a little awkward, but inspires respect for its appearance. KOM belongs to the class of inexpensive cinema projection lenses made according to the aplanatic scheme. Among the 35KP and RO lenses, there were also aplanates, which introduces confusion in the designations. The main difference between anastigmata and aplanates with equal parameters is their mass: aplanates weigh much less. The low price and prevalence in the secondary market with very serious optical parameters makes projection optics popular with many amateur photographers, but their use requires adaptation efforts. Specifications [Yakovlev Handbook, v. Geometric parameters of the original lens unit body:. Projection aplanates are the most expensive and difficult to fully adapt projection lenses: the installation of an internal diaphragm in their housing is not possible, unlike most planar anastigmata.

Ko 120m

Review of the lens KOM 1: 1. Has a curved field. Years of production: from the 60s to the 90s MMZ. The lens itself is just a tube consisting of two detachable parts, each of which contains a gluing of two lenses. There are no focusers, no apertures in the lens. Therefore, to use it, the lens was mounted in a temporary which has remained constant for now focuser made of an epoxy-paper tube with an EF mount: a loop on the lens barrel is cut through which the stem from the tube travels and focusing is carried out. In addition, to use this lens, it should be blackened from the inside: it is better with toner from a printer or soot.

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I do not like to go into the optical-technical properties of glass, I either like the picture or not, naturally in skilled hands. The helicoid for this lens is made to last forever and provides comfortable focusing in any conditions. Focusers for such lenses can be found on AliExpress today, but for this lens, made even before they appeared on the market, a simple multi-pass duralumin helicoid was made, providing a very short minimum focusing distance about cm and a soft, smooth motion of a heavy lens block. This vintage projection lens built by Belomo in Belarus renders awesome colors and bokeh as well as an amazing 3D pop! You can make a curved lens yourself. Click HERE Almost entire Europe is caught on rainy weather. Portraits are something! A few photos I took with a crazy interesting projection lens. Can a pan with holes be adapted as a lens? From 1 bad picture to 5 excellent picture. Such articles make you think about the cost of lenses. Sunset mood

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And in the 11th tair and in all others there are four lenses. I had to use it on the A7s as well, since precise focusing using the magnifier EVI was excruciating. From 1 very poor optical quality to 5 excellent optical quality. Years of production: from the 60s to the 90s MMZ. Oleg I kinda like the result. Back to top. Sharpness for mm and aperture 1. Zoom in the two lenses of the Helios, which will also give an enhanced spin, if the goal is this. Self-portrait of KO by Milan Cvijanovic. Stock 1. Period of use: 10 months Strengths: good sharpness of focussed part of image fast aperture shallow DOF interesting bokeh Weaknesses: very strong field curvature very low contrast flare no focussing mechanism Comments: I used this lens on full frame Canon 5DIII for portraits.

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