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The Sigma USB Dock is an accessory for Sigma lenses that allows to upload the lens firmware, fine-tune the focus and customize some settings. It is in production since 2014; the current price is 40 €.
16 users have given it an average vote of 9.8 out of 10.
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Reviews
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Pros: Facilità e precisione di utilizzo, prezzo conveniente.
Cons: Impeccabile
Opinion: Dopo aver acquistato il Sigma 85 mm f/1.4, ho scoperto che la mia Canon 77D (senza microregolazioni) aveva un back focus significativo. L'adattamento dell'obiettivo alla vecchia reflex ha richiesto circa 40 minuti. In precedenza ho avuto un problema simile con l'obiettivo Canon 50 mm f/1.8 STM e in questo caso il problema era irrisolvibile. Da allora mi sono concentrato esclusivamente sugli obiettivi delle serie Sigma Art, Contemporary e Sport. Nel caso dei teleobiettivi, Sigma Dock offre possibilità ancora maggiori, lo consiglio vivamente.
The following opinions have been automatically translated with Google Translate.
Pros:Ease of use, avoid service trips for firmware or personal adjustments
Cons:Nobody
Opinion:I bought the dock immediately after getting the Sigma 150-600 C and I didn't regret it as it allows you to very easily update the firmware of the various Sigmas, as well as being able to perform fine adjustments for which it would have been necessary to go to service. I find the price adequate also considering that the same software is constantly updated. Just traveling to the various service centers to update the firmware a few times would cost me more and I would be without a lens for a few days
Pros:Very useful for "revitalizing" Sigma lenses with back or front focus problems
Cons:Maybe the price
Opinion:I bought the Sigma dock to solve a front focus problem on the 30mm f1.4 ART lens. I had noticed that the focus was always a few inches closer than expected. This phenomenon is extremely annoying especially on a lens that has among its main characteristics that of an opening so wide and therefore a very tight PDC and to be adjusted with millimetric precision. Well, the USB dock is very easy to use and with an hour of work I solved the problem of front focus, and now I find a lens that focuses perfectly at any distance of use. To test the corrections reliably I followed this simple and clear tutorial: https://www.youtube.com/watch?v=2OmxtddLfPM&t=97s It happens at the end of the fair I found myself applying corrections very similar to those found by the author of the Video, so maybe the front focus of this lens is a fairly common flaw. of cons, as the user says before me, the price of 39 euros to which this item is slightly exaggerated, since it is a simple interface between lens and PC. But in any case, it is a recommended object to those who possess recent Sigma optics.
Pros:Convenient to avoid travel to optics in service, great customization options, stable and nice software.
Cons:It should cost no more than 15-20 Euros. You have to know how to fiddle around a bit 'for customizations.
Opinion:Bought together with Sigma 150-600 C, it was detected immediately a very good buy. Just mounted I updated the firmware to a version with sull'autofocus improvements, and later passed another update. If I had not had them I would never have been able to apply unless the optical not pass dall'assistenza.rnRitengo dock an essential accessory for the use of Sigma lenses compatible (and in fact Tamron has followed, with years of distance, same street) also .rnNotevoli the possibilities for optical personalization thanks to Sigma Optimization Pro software, as well as manages firmware upgrades of the goals, you can adapt at will the stabilization functions, auto focus limiter and adjust if you prefer more or response the maximum depth precisione.rnMolto also the correction system of any front / back focus, which fortunately did not have to use as my was unaffected optics. The downside is that you are forced to do a little 'home laboratoryto adjust the lens (it must be done even if you do the micro with cameras that have, here is just deeper) .rnAltra thing I do not like is the price: in my opinion for what it is, 20 Euros are enough.
The following opinions have been automatically translated with Google Translate.
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