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Photography Q&A
Focus Issue D7100 with Sigma 50mm Art Lens
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<blockquote data-quote="Horoscope Fish" data-source="post: 493173" data-attributes="member: 13090"><p>I suggest you go into the Picture Control menu and adjust the Sharpness setting first; this will help sharpen your JPG's but it won't help with front/back focus (more on that in a second):</p><p><span style="color: #FFFFFF">....</span></p><p style="margin-left: 20px">Press the Menu button.</p> <p style="margin-left: 20px">Highlight the Shooting Menu (camera icon)</p> <p style="margin-left: 20px">Drop down to "Set Picture Control" then click right one time.</p> <p style="margin-left: 20px">(This menu contains all the Picture Controls (Standard, Vivid, Landscape, etc. and each one has it's own set of Quick Adjust menus))</p> <p style="margin-left: 20px">Highlight the Picture Control you're using, probably "Standard" and click right one time to enter the Quick Adjust menu.</p> <p style="margin-left: 20px">Highlight the "Sharpening" setting and increase it from the oddly low default of "2" or "3", I forget which it is, to "7" instead.</p> <p style="margin-left: 20px">Press "OK" to exit the menu.</p><p></p><p>To check for front/back focus you're going to need a tripod, a target and some good lighting. Follow these instructions: <a href="https://nikoneurope-en.custhelp.com/app/answers/detail/a_id/51633/~/how-to-use-the-af-fine-tune-function" target="_blank">How to Use the AF-Fine Tune Function</a>. That article will explain how to setup the test and determine if you have a front/back focus issue or not. Another free method is the <a href="https://www.youtube.com/watch?v=7zE50jCUPhM" target="_blank">Dot Tune Method</a> (link goes to Youtube vid) or you can drop dime on software such as <a href="http://www.reikan.co.uk/focalweb/" target="_blank">Reikan FoCal</a> which will semi-automate the process. Your Sigma 50mm f/1.4 will also accept the <a href="http://www.amazon.com/Sigma-878306-Firmware-Nikon-Lenses/dp/B00CBQ5X5S/ref=sr_1_2?s=photo&ie=UTF8&qid=1442423507&sr=1-2" target="_blank">Sigma USB dock</a>.</p><p></p><p>In short, though, testing and calibrating your lenses simply HAS to be done, in my opinion. Based on your previous post, I think your Sigma should be giving you way better overall IQ than what you are apparently getting at this point.</p><p><span style="color: #FFFFFF">....</span></p></blockquote><p></p>
[QUOTE="Horoscope Fish, post: 493173, member: 13090"] I suggest you go into the Picture Control menu and adjust the Sharpness setting first; this will help sharpen your JPG's but it won't help with front/back focus (more on that in a second): [COLOR="#FFFFFF"]....[/COLOR] [INDENT]Press the Menu button. Highlight the Shooting Menu (camera icon) Drop down to "Set Picture Control" then click right one time. (This menu contains all the Picture Controls (Standard, Vivid, Landscape, etc. and each one has it's own set of Quick Adjust menus)) Highlight the Picture Control you're using, probably "Standard" and click right one time to enter the Quick Adjust menu. Highlight the "Sharpening" setting and increase it from the oddly low default of "2" or "3", I forget which it is, to "7" instead. Press "OK" to exit the menu.[/INDENT] To check for front/back focus you're going to need a tripod, a target and some good lighting. Follow these instructions: [url=https://nikoneurope-en.custhelp.com/app/answers/detail/a_id/51633/~/how-to-use-the-af-fine-tune-function]How to Use the AF-Fine Tune Function[/url]. That article will explain how to setup the test and determine if you have a front/back focus issue or not. Another free method is the [url=https://www.youtube.com/watch?v=7zE50jCUPhM]Dot Tune Method[/url] (link goes to Youtube vid) or you can drop dime on software such as [url=http://www.reikan.co.uk/focalweb/]Reikan FoCal[/url] which will semi-automate the process. Your Sigma 50mm f/1.4 will also accept the [url=http://www.amazon.com/Sigma-878306-Firmware-Nikon-Lenses/dp/B00CBQ5X5S/ref=sr_1_2?s=photo&ie=UTF8&qid=1442423507&sr=1-2]Sigma USB dock[/url]. In short, though, testing and calibrating your lenses simply HAS to be done, in my opinion. Based on your previous post, I think your Sigma should be giving you way better overall IQ than what you are apparently getting at this point. [COLOR="#FFFFFF"]....[/COLOR] [/QUOTE]
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Focus Issue D7100 with Sigma 50mm Art Lens
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