It is better to send information about him in the comments, I will add it. There is no need to write in the comments 'but I have this one, it is not here'. In the future, this article will be finalized. I will add new modifications only if there are photographs where it is clearly visible that the modification differs from existing ones. If you know useful information on any modification, please indicate its serial number hxxx, describe the distinctive properties in the comments, and attach photos with its appearance. I am sure that there are much more modifications. It is of great collection value, since BTK 1: 2 F = 5,8 cm P was more experienced than a mass sample. Uses a 13-blade diaphragm, M39x1 / 45,2 thread in a white body. Later, lenses under the name HELIOS-44 were produced according to a recalculated optical scheme for a domestic grade of optical glass. Most likely made from German glass blanks. KMZīTK 1: 2 F = 5,8cm P h101 - BTK stands for BioTar Krasnogorskiy, the very first version of the lens, is a copy of Carl Zeiss Jena Biotar 2/58. Please note that to make it easier to identify lenses, add new versions, as well as to accurately and quickly understand what modification is in question, I have introduced my additional lens numbering, starting with the letter 'h' (h1xx - KMZ, h2xx - MMZ, h3xx - Jupiter). Therefore '58 mm 1: 2 'and' 2/58 'are considered different versions here. In this article, the names and designations of the lenses are indicated as close as possible to the mark on the body frame. the presence of multi-coating (marking 'MS').Basically, different HELIOS-44 lenses differ in such things: The genealogical tree of the HELIOS-44 lenses was carried out by the manufacturers. We can't wait to excite you with products and services that are deserving of your patronage.Logos under which lenses of the HELIOS-44 brand were produced ![]() We are here to disrupt the global eyewear industry in the best way possible. So enough with messing about - fooling people, overcharging them, overcomplicating and underdelivering. Check out this □ CBC News investigative video below to learn more about what blue light filtering lenses are really all about (hint: nothing to do with eye health). That's why every so often, there's a new boogie man that you need to be told about, and sold solutions for. ![]() It's been a matter of evolution, and not revolution. The fact remains, there has been little innovation over the past few decades that has dramatically changed the eyewear industry. Like the blue light that comes out of our devices, and require blue light filtering lenses to save us from Aged Macular Degeneration (AMD), retina damage, cataracts and other problems. "New problems" are cropping up that so desperately need solutions. A large share of the industry is also owned by just one company. Is it just us, or does eyewear of all kind seem to just get more and more expensive as the years go by? The markup on eyewear frames is typically in the 400-1000% range! Not a surprise as to why there are so many brands and new ones popping up on a daily basis. ![]() Myopia is an every growing issue, and now becoming an alarming issue among children. There's good reason for it too, over 60% of the adult population wear corrective eyewear. Eyewear is a $150 Billion a year industry, covering everything from sunglasses and frames to prescription lenses and contact lenses.
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