![]() If I like the result, I am done and I wasted far less time than all the fancy commercial stuff with all their critical settings and adjustments. If the middle item looks good and in focus compared to the other two items in the shot, I just go out and take pictures. I don't get caught all up in the numbers. But you can calculate the 25 times your focal length if you want to be that much more accurate. If doing my 50 mm lens, I just put the test items about 12 feet away. If I am testing my 150-600mm tamron, I go outside and put the target items about a 100 feet away. If I happen to be in a large place with a 50 foot hallway, I use that for a 100 - 200 mm lens. Most people tell you to put the camera about 25 to 50 times the focal length of the lens AWAY from those test target items. I get wonderful results when I buy a new lens by simply setting up 3 identical items and taking some quick test shots with different MFA settings.īottle or target farthest from camera -> X I own both of the packages you mention, but they take more time and effort to set up and use. Note, that there is nothing wrong at all with the commercial packages, IF you have money to toss around. Here is also some other methods that cost far less than those commercial software packages If AF fine tune is set properly, that middle item, box, can, bottle, will be in better focus than the one a little farther away or the one a little closer to you. The goal, or bottom line? If you aim the middle focus point in the camera at the middle box, can, bottle, target, whatever, you want that middle one to be in focus. I put that on the middle bottle for each shot, so that when reviewing the shots, I know what setting I used for MFA for each shot. Since version 1. Sometimes I use a little yellow sticky note, with the MFA setting number, 0, +5, -5, +10, -10, +15, -15, etc. Update S Latest Version of FoCal 1.9 and I’m not happy I am getting pretty disappointed with Reikan. Review on large computer screen for the best AF fine tune setting. Adjust MFA tuning, repeat shot, adjust, repeat show. Focus on the middle of the 3 water bottles. is adjusted just as well or even better than with the LensAlign system. Use the lower F-stop number on the lens (largest opening of the iris, for shallow depth of field. Even if you are not using the FoCal software, to use a flat target it must be. Turn you camera to use center focus point only. Place 3 water bottles (or soda cans, or 3 boxes with print), about 1.5 feet apart (1/2 Meter), diagonally, anywhere from 75 to 150 feet away from you. ![]() I want to MFA Tamaron 150-600mm, What should i use?
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