What is inside the Canon photocameras? Repair of a lock on Canon 550D.

Occasionally, I continue a series of “disassemblings” In this case I have a photo of how is set the lock and a camera. The technology of disassembling is kindly provided by Tolik Skibitsky. On the camera the lock was broken and Tolik replaced…

The test of adapters quality for manual (manual focus) lenses

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Today it will be a question of adapters quality for manual lenses (with manual focus). For the mini-test of adapters I even bought a micrometer. Not any Chinese, but real, Soviet, to within 0.01mm. adapter M42-Canon EOS (Chinese) At first we will test…

Disassembling of the lens Canon EF-S 18-55mm f/3.5-5.6 IS II

Canon EF-S 18-55mm f/3.5-5.6 IS II — a “whale” lens on many photo-cameras of Canon with a crop-factor. This copy is a lens from the 4th generation (penultimate) of a “whale” lenses 18-55 series. It differs in sharpness, quite good for an inexpensive…

Bayonet joints and adapters

Bayonet joint “Б” (Pentacon Six) Lenses with a “B” bayonet joint of (Pentacon Six) can be delivered on the cameras Nikon by means of the Soviet KP-6 adapter or by means of Pentacon Six adapter – to Nikon Lenses with a bayonet joint…

Leica R Macro Elmarit 2.8/60, to disassemble

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In a collection to materials on disassembling of interesting lenses. Who knows, can it be useful? On this lens the focusing ring sticks. It doesn’t reach installation on infinity and isn’t put in the most close focusing for this lens 1:2. To remove…

Optical schemes: inexpensive analogs of the lenses Carl Zeiss and Leica

Contents 1.Tessar – Soviet analogs – Table of tessar 2.Tele-Tessar (old design) -Soviet analogs 3. Sonnar – Soviet analogs – Table of Sonnar 4.Ernostar -table of Ernostar – Soviet analogs of Ernostar 5.Planar – Soviet analogs 6.Unar -Unar examples Hello, dear readers! Recently,…

What is inside at the lens Canon EF 70-200mm f/4L USM

I think, it will be interesting to look what is inside at the “white” Canon L-lenses series. Partly because they are made best of all, they have really many metal parts and they are the most expensive. Today there is a short digression…

Photo of the Soviet photo-technique

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In Soviet period when the grass was green… people did iron almost eternal lenses. They are great on a photo. Therefore I decided to create this page. I photographed all of them in studio. Except Helios 81H 50/2. At first I passed it,…

The lens Mir-24H — full tests

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The lens Mir-24H MC 35/2 is one of the best and available Soviet wide-angle lenses at the price. Its weak place — a multienlightenment, as well as on all Soviet lenses. Because of it it is inclined to lose contrast at side and…

How to choose 50mm lens — tests and reviews

I take a very hard task. 50mm it, perhaps, the most popular focal distance and to collect the information on the best representatives of this family and to try them all is very difficult. In the same time I start not from the…

The manual how to choose the second-hand lens (which was in use)

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Here I will describe some moments to which it is worth to pay attention in case of a lens choice which was in use. In the following article I will write about photocameras, but for now… The choice of a manual (not autofocal)…

The best Canon lenses — how to determine them by the optical circuit

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From time to time, holding in hand a new lens with the plastic casing you ask yourself  —  what its prime cost? How to guess how the developers tried to develop it? What gives to this lens such a high price? There is…

Review and test of CANON EF 85 mm f/1.2L II USM

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This review is incomplete also demands addition! So far you watch the full review the Review of the lens Canon EF 85mm f/1.2L USM Strengths: Under certain conditions will give amazing pictures, illumination 1.2, rather sharp on an open hole, very high-quality assembly,…

Disassembling of Sigma 28-105/2.8-4 Aspherical IF DG for Canon (whether there are plastic lenses in a lens?)

The purpose of this article — to learn from what material it is made and how much of plastic there are, and how reliable is it. The lens is inexpensive, but it doesn’t change an essence. On feelings it is shakier, than my…

The review of Samyang 85/1.4 Aspherical IF with Canon lens mount

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Many thanks to Alexey L. from St.-Petersburg for the lens Samyang 85/1.4. At the moment I didn’t have 85mm lenses. We will be now a standard to which I will compare all others 85mm lenses. Not because it the best one but because…