![]() ![]() The manuals for plain AF-D ("screwdriver") lenses make no mention of software AF tuning. I would think any lens introduced after that time should be software tuneable. Since Nikon's service tuning system uses a D100, then it must date back to around 2002. ![]() This must be the case, otherwise when a serviced lens was returned to the customer's camera the AF correction would be lost. The information in the lens repair manuals point to AF correction data being written into EEPROM inside the lens. I think we're up against a stifling campaign by Nikon to prevent the spread of information on what lenses are capable of being USB tuned, and how exactly it works. Could a moderator kindly transfer this to the Nikon forum please? Release the software and make thousands of your customers happy.Įdit: Darn! Not sure how I posted this to the Lighting Forum. So come on Nikon, don't be such A**holes. There appeared to be a Russian site hosting the LWM.exe file at one time, but it's now been removed. ![]() That implies some insider knowledge to me, from someone who's had their hands on the software. Some people on Nikon Rumours seem to know quite a bit about the software and say it'll only run on XP. The camera recommended in Nikon's instructions is a D100 - I'm not sure if this is the only model the software works with or not. ![]() The instructions for using the software make the whole process sound very easy only requiring a PC running XP, a printout of focus targets supplied in the repair manual PDF, and a suitable camera. Nikon have had something similar (and cheaper and better) for years and are just meanly keeping it "secret" and available only to selected service centres. The name Nikon have given this software is LWM.exe With a zoom lens this can be done at 3 focal lengths and allows more accurate correction throughout the zoom range. Unlike the rubbishy AF fine tuning built into the camera, this software recalibrates the lens itself. Following Dieter's link to some Nikon lens repair manuals in a recent thread, it appears from those manuals that the AF accuracy of almost any Nikon lens can be adjusted through a USB connected camera and a Windows computer using a piece of software. ![]()
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