Canon 50D review, find out how the 50D stacks up against the competition in our realworld review with indepth image quality comparisons. Starting July 1, 2016 Ive moved the software update and software news into a blog form that has its own RRS feed right column. All digital photography software. To read more and also see the EOS utility screenshots click here Arash Hazeghis lens micro adjustment technique. Fuel Your Creative Passion. The EOS 7D Mark II camera delivers a winning combination of cuttingedge operations and a robust, ergonomic design. Many newer DSLRs have the facility to individually tune the AF settings for different lenses via a custom setting the micro adjust function. Its really easy. With the highest density DSLR sensors available, the EOS 7D II along with the 70D lead the Canon pack for reach. When you are lens focal length limited, a more. No more missed important software updates UpdateStar 11 lets you stay up to date and secure with the software on your computer. Tutorial lens micro adjustment. Background. The later generation cameras from Canon and Nikon and some others. Cameras are smart as they recognise. They can. even detect the presence of a teleconverter and remember these. Before lens micro adjustment, if your lens wasnt quite calibrated. Now you can do it yourself. So what are we talking about here exactly Well, if the lens and cameras autofocus are precisely matched. These focusing errors may not be immediately obvious but will. So how come the manufacturers are selling equipment that front. Well, if you consider that pretty well all manufactured goods. To clarify this point lets imagine that both. Now lets say that the camera we buy. It is still in spec just and will be released. If we pair this with a lens which has a value of 5. However, if. you paired a 5 camera with a 5 lens then then resultant 1. Lens micro adjustment enables us to dail out these errors. Which cameras can be micro adjusted In the Canon range that I am most familiar with, the following. Liveview have this ability. Certainly those cameras. EOS 5. 0D, 7. D, 5. Canon Af Micro Adjustment Software Update' title='Canon Af Micro Adjustment Software Update' />DII, 1. Dmk. III and 1. DSmk. III and presumably. In the Nikon ranges I believe that the D3. D7. 00 and. the D3D3x onwards have this facility. The Sony A9. 00 and the Pentax. K2. 0 also have this facility. If your camera predates the ones listed above then you will not. If you have evidence that you have a bad. How do you set the lens micro adjustments into. Whichever method you use, you will need to set the adjustments. Below is how you do it with a Canon 1. Dmk. IV, just check the handbook. For example, on a 5. Dmk. II it is CFn. III 8, on a 1. Dmk. IV it is III 7 and on 7. D it is III 5. Select Autofocus Drive in the appropriate custom function Select Adjust by lens. Press Info to change the value if you have trouble here you probably. Set instead of InfoDial in the forward adjustment i. Press the Set button to accept the value. Every one of my Canon. I have used has required either zero or. Set CFn to adjust by lens and press Info to change. Micro adjust screen. This lens front. focused and required a value of 9 to correct it. What methods are available for lens micro adjustments. These range from expensive ready made focusing kits that. DIY versions using sloping focusing charts. These are. all covered below but my favourite method using a tethered laptop. I have tried all of these methods but by far the best. However, this method only relevant to one of the latest generation. If. you are lucky enough to have one of these and have access to a. I know it sounds a bit scary, but trust me on this it is really. Canon software provided with your camera to. I should add that none of the methods described here are recommended. Canon other than their own one but dont let this deter you Quick check using the latest cameras This is a quick check or temporary method if you are short on. It capitalises on the fact that the latest cameras have. Once you have determined whether you have 1 front. With the camera mounted on a tripod you can focus on a fixed target. Zoom in to 1. 0x using the magnifying. If you can. better what the camera can do yourself you need to dial in a bit. When I first got my Canon 2. I thought. that the images from it looked a little soft, so after doing a. I ended up with quite a large 1. When I had time to set. I found that. I needed 9 so I was not far out. Canons method Mount the camera on a good tripod. Set up a target for the camera to focus on. The reference target. AF system to detect. It. should be flat and parallel to the cameras focal plane, and centred. Lighting should be bright even. Camera to subject distance should be no less than 5. For a 5. 0mm lens, that would be at least. Set the lens for AF and the camera for One Shot AF, and manually. Shoot at the maximum aperture of the lens via manual mode or. Ar Rahman Live Concert Los Angeles Download Free on this page. Adjust exposure level to get an accurate exposure. Use low ISO setting. If the lens has an image stabilizer, turn it off. Use a remote switch or the cameras self timer to fire the shutter. Use mirror lock up as well. Take three sets of images at microadjustment settings of 5. Look at the images on your screen at 1. Take additional sets of test images at different microadjustment. Register the corresponding microadjustment settings in the camera. Notes from Canon. For best results, manually set the focus on the lens to infinity. Expect some minor variations in focusing accuracy within each. This is completely normal, and is. AF system. Expect smaller microadjustment settings to have a greater effect. If you are attempting to set microadjustments for a zoom. The. instruction book suggests testing at the longest focal length. Sloping chart method Both this and the Canon method can be used to check. If you find significant errors you might need to send the. The method follows Canons recommendations above other than it. You focus on a thick black focusing line. I use a target that you can download from Tim. Jacksons website here. Tim Jackson lens adjustment chart. I glued it using spray. I propped up at a 4. Front focus requiring adjustment. Back focus requiring adjustment. The benefit over the flat target is that you are able to see straight. The minus is that. Some of the commercial products. However, I have used the home made chart for some time, just aligning. Adjustment is best carried out when the light is not constantly. I often do this indoors. You. may have to override your cameras meter as the chart is white. The lens under test is mounted on the cameratripod and using. One shot in Av mode. Focus. at the lenss widest aperture to minimise depth of field on the. I usually place the. I can read the chart numbers. Canon recommends. I find that this is often a bit excessive. If you were testing. I do all my testing at the kind. I usually shoot at which is much closer and seems. For a 1. 00mm macro lens, the recommendation. I would test a macro lens at about 1. For zoom lenses Canon recommends setting the zoom to the. I do. Next you need to roughly know whether the camera is front or back. If you have one of the later high res screens you. If the screen is not of sufficiently high resolution to tell this. Next, if you think that the camera is front focusing for example. From this you can. The appropriate camera lens micro adjustment value is then. It. is all done by trial and error and is admittedly a bit time consuming. Interference pattern Moire fringe techniqueThis method is much the same as those above but uses a. It utilises a clever test pattern that was developed by by Bart. Van der Wolf. It is not a printable target you must use. You are striving to achieve maximum. At this point the lens is extremely accurately. Tethered technique for later cameras that can. Liveview. Finally I get to my favourite method, and the one that I currently. It was first described by Arash Hazeghi on the Birdphotographers. It is only relevant to cameras that can autofocus in. Liveview. This includes Canon cameras 5. D, 1. Dmk. IV, 5. Dmk. II, 5. 0D and 7. D and may be possible. Presumably later cameras will also have this. In the Nikon range, D3. D3. 00. S, D7. 00, D3, D3s and D3x. OK. You will need a computer loaded with the Canon EOS Utilities software. If you shoot Nikon you will need to. Nikon camera control Pro. A laptop is most practical as you are not restricted to working. I use a banknote as the target taped to an angle bracket from. A banknote has lots of very fine engraved. My usual target a banknote.