contax lenses

Photography and equipment are inseparable from the body and lens. Recently, I have seen many circle friends discussing the choice of a single SLR camera, but there are very few camera sets. I am worried that new people will ignore some important things, in this way, you may regret it. As N households, I would like to give a brief introduction here. N households can select those lenses, and I hope other users can also introduce them, this allows you to

What lenses should be selected for beginners? Different lenses will make you have different works, whether it is composition, quality or even use, will bring great difference. This will explain the pros and cons of different lenses, and then let you make appropriate trade-offs. 　　 　　 　　 What should you consider when buying a camera? In the ab

Macro Mirror 　　 Example of a macro mirror: af-s VR micro-nikkor 105mm f/2.8g if-ed 　　 The macro lens (macro lens) is a special lens for macro photography and has a high magnification of the lens, which is mainly used to shoot very fine objects such as flowers and insects. The so-called lens magnification, meaning that the image on the sensor and its true size ratio, usually lens magnification to 1:1 to be called on the macro mirror. The macro mirror has a very short focusing dista

really enough in the APS-C width a broad. However, there are four or five similar products in the secondary factory, which are cheaper and the performance is really good. The consistent advice for hitting a needle is to see which one is pleasing to the eye. 3. 3It is easier to write this topic here. First, you can pick and piece out a three-shot combination of "Change-set-change" from the ones mentioned above, and the hit needle will no longer be noble. Second, after talking about the dual-len

adjust the lens to the best state.A Mounting dimensions for industrial lenses, interfaceAll camera lenses are threaded, and the lens of the CCD camera is installed in two industrial standards, the C mounting block and the CS mount. Both threads are part of the same, but the distance from the lens to the photosensitive surface is different.C Mounting Base: The distance from the lens mounting plane to the fo

the text "bulls"). Scroll down to the lens correction panel. There are two options at the top of the panel: profile (it automatically corrects the problem) and manual (we correct the problem ourselves). Let's start with an automated approach, so click the profile and select the Enable profile correction check box. After you complete the operation, the image is corrected (see the image correction effect in the illustration). To create such a small miracle is because it reads the EXI

Have you ever had a large, purple-edged picture of your lens? In fact, you only need to use the PS of Adobe Camera Raw in the lens correction function, a few steps to improve these problems, so that "dog head not dog." Common wide-angle zoom lens to take photos, the edge of the screen should be straight lines because of distortion and bending, white frame with purple edge, and because of the careless filming, the picture has a little skew. These are all very common problems. Standa

. Third, shooting techniques (i) About lenses Turn-back lenses are generally manual lenses, 500-terminal telephoto focus is particularly accurate, it is recommended to use the camera's real-time screen manual focusing. (ii) multiple exposures to cameras Take the Canon 5D3 I used for example, first turn on the camera's multiple exposure, multiple

yuan + 15100 yuan. Advantages: high sharpness, red circle quality workmanship, the recent focus distance shortened. Disadvantage: Lens combination of heavy weight, high price. Well, the above information is a small series of photography enthusiasts brought to the detailed Canon 50D camera with the lens recommended to share all the content, you see the photography enthusiasts here, small series believe that you now that is very clear lens match it, I hope that the small series of the above to

Using near-loop (extension tube) Near-loop is one of the inexpensive options, its principle is simple, that is, the distance between the lens and focal plane, creating a magnifying effect. The different thickness of the close-loop has different amplification effect, many times to see the near-loop is a group of three of the way to sell. Because the close loop is actually just a cylindrical ring, there is no optical structure inside, so ... Buy a deputy factory can be (but the more expensive OEM

To the photography enthusiasts to detailed analysis to share the Canon 6D camera lens can replace the problem. Analytical sharing: Canon 6D replaceable lenses. Okay, the above information is small make up to you photography enthusiasts brought to the detailed Canon 6D camera lens can replace the problem of all the content to share, you see the photography enthusiasts here, small series believe that you now that is very clear this cam

I would like to share with you a detailed recommendation of photography enthusiasts the combination of Canon 7D cameras.Analysis and sharing:The Canon 7D is an advanced aps slr model. Based on the needs of different levels, we recommend the

I would like to share with you a detailed recommendation from photography enthusiasts the combination of the Canon idea D camera lens.Analysis and sharing:Canon Medical D is an entry-level SLR model. Based on different levels of requirements, we

The focal point of the lens is the highlight, which includes the high light of the edge, the high light and reflective region of the light part. Edge highlights are done directly with layer styles, and other highlights need to be done manually.

Final effect 1, create a new 1000 * 800 pixel canvas, create a new background layer, fill color: #121b47, and then create a new high light layer, select the gradient tool, color set to blue: #007eb3至透明, and then

value of the 40-wire/millimeter MTF to 0.73 and 0.72, respectively. This means that the two lenses are used to take the necessary shockproof measures. During f8, The 35mm camera can take the best image that can be enlarged to a 24-inch image. At maximum aperture, the optimal lens can be assigned to the Leica M50/2 header, and its MTF focuses on an average of 0.50.Among all the large aperture portraits, Pentax's manual focus 85/1. 4 lens has a weak ad

person will become an amplifier in the future.The organization of the focusing lensA lens, which can be focused using the whole Mirror Group movement, can also be used to design one or several lens movements to achieve the focus; For convenience, most lenses are the latter way.The RZ67 is an example of the overall focus of the moving lens.Mamiya RZ67Historically there was a unique Contax AX, which used the

well. Leica camera advertisement on "Chao sun camera" in 1932 When we talk about Leica, we will never end up talking about it. Finally, we will see several Leica camera advertisements on the 1932 "Chao sun camera. At that time, the Karl Zeiss Foundation, which was the main business of the company with the same optical products such as microscope, established Zeiss ykang to compete with the company, many types of cameras were created between 1926 and 1931, but they were not successful unt

obtain the scene horizontally, you can also design a framing window. Asahiflex I is not only small in size, but also very cheap, with the camera price only 23,000 yen. Asahiflex I and other follow-up models without a prism can only get the glasses close to the viewfinder like this, and the picture is still right and right A year later, the improved asahiflex IA was launched, adding a 1/25 second shutter and FP flash synchronous access holes at a price of 26,700 yen. Before June 1954, Xugu

It is not hard to tell from the extensive publicity of canon that the story of Canon began in 1933, precisely because it was founded in November 1933 by the "Institute of precision optics ...... In that year, as the "camera country" of the world, Germany had two major brands-Leica/Leica and Conway's/contax. Both companies are producing 35mm focal plane shutter cameras that represent the highest technical level at that time. In the early 1930 s, Le