Monthly Archives: October 2015

Archive of posts published in the specified Month

Comparing of sensors: Canon vs Sony

On Sony Nex6 there is the same sensor, as on Sony NEX 5R. So I compare Sony NEX 5R and the Canon 5D Mark II on high ISO. I provide the relevant data with DxO. From these data DxO we see that Sony…

Impressions of Sony A7

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This photo-camera wasn’t surveyed only by the lazy. Nevertheless I know what to add. It is a great camera, revolutionary. Full frame and whole 24 Mpx. From the top, you can see a castor of an exposure control (it can change with control…

Exposure and exposure metering

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Now, when photo-cameras are literally typed by the latest electronics many beginning photographers have the impression, that the camera is capable to define illumination of the shot and appear of re-exposure or under-light, there are feelings that somewhere the vendor of the camera…

Installation of Jupiter-9 M42/Jupiter-9 (clone of Carl Zeiss Sonnar 85/2) on Nikon via the no-lens adapter

I was engaged in this alteration for the reason that my black Jupiter-9 1987 is too “fuzzy” on an open diaphragm. It gave much more smaller sharpness, than my old Jupiter-9 under a Kiev photocamera. I solved this problem having caught the high-quality…

To dis-mental Helios 81H

helios 81h

In series lenses Helios 81 there is a failure connected to pollution of a crown of a lens oils and metal dust. Visually this failure looks as slow closing of a diaphragm at the time of working off of an exposure — “the…

The lens Nikon AF-S Nikkor 50mm f/1.4G — repair of an autofocus

Nikon AF-S Nikkor 50mm f1.4G

At last we reached the lenses Nikon. In this article you will pass a short course of digression on disassembling and assembly of the lens Nikon AF-S Nikkor 50mm f/1.4G . We will look, whether so it differs to quality of construct from…

A dandelion chip for adapters to manual lenses

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Just asked the question what chip is better and I decided to write the thoughts here that there was no speculation in information by sellers of chips. Vendors of dandelion chips 1. V. Lushnikov (Russia) 2. Big-Is (China) 3. optixpcb (Hong Kong?) The…

Problem of re-exposure and exposition during the use of adapters with manual lenses

Many readers of my blog use not auto-focal lenses, so I decided to share information on this subject with all to whom it can be interesting. A light meter works regardless of the fact that transfers a dandelion. It influences only on flash-out…

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…