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Sigma 878110 USB Dock Lens Firmware for Sigma Mount Lenses (Black)
by
Sigma
| Price: | $59.00 & FREE Shipping |
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Details
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- Enter your model number above to make sure this fits.
- Customize: Autofocus, OS, Focus
- Compatible with Global Vision Lenses
- Sigma Optimization Pro software in order to connect a photographers lens to their personal computer to update firmware and other parameters such as focus, and for the Sports category
- Compatible Lenses 35mm F1.4 DG HSM, 17-70mm F2.8-4 DC MACRO OS HSM / 17-70mm F2.8-4 DC MACRO HSM, and 120-300mm F2.8 DG OS HSM
- The adjustment is processed with special software (SIGMA Optimization Pro)
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Style: Sigma Lenses
Technical Details
From the Manufacturer
Sigma USB Dock
Micro Tune, Customize, And Update Your Lens
The Sigma USB dock works in conjunction with Sigma Optimization Pro software in order to connect a photographers lens to their personal computer to update firmware and other parameters such as focus, and for the Sports category: Autofocus speeds, focus limiters, and optical stabilization functionality. Updating the firmware can be done via the internet. Sigma Photo Pro is available for Mac and PC computers.
Focus Settings
4 Categories of customization for fixed focal length.
16 Categories of customization for zoom lenses (4 options for focal length) x (4 options for shooting distance).
Sports Line
AF Speed: 3 adjustment modes.
Focus Limiter: Customize auto focus range.
OS: 3 adjustment modes.
- Update Lens Firmware
- Customize: Autofocus, OS, Focus
- Compatible with Global Vision Lenses (except DN lenses)
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Customer Reviews
Top Customer Reviews
By
origin415
on April 27, 2014
Style Name: Canon Lenses
Verified Purchase
I got the 30mm f/1.4 Art and while the focus seemed okay at first, it was clear after a couple of outings my keeper rate was pretty low. When it was in focus it was sharp, it just was usually a bit blurry.
After some research, my options were either to send the lens in to Sigma (some folks say they need your camera too) or get this thing. Even though the focus issues are covered by warranty, you still have to pay for insured shipping each way. With that in mind, the dock seemed a little less unreasonable in price. Besides, I like tinkering with things.
It took me about an hour and a half of work to dial in the right values, though an hour of that was pretty ineffective. The thing is, they just give you the dock and you download the software, and there is no official recommended way to come up with the adjustment values. I recommend browsing around for focus calibration tutorials. What ended up working the best for me was to be in a bright room at relatively high (but not too grainy) iso, and have a tape measure leaning against a wall at an angle. Then I focused in at the 1ft marker at various distances. After several iterations of trial and error I was happy with the focus at all the adjustable distances, I ended up with +1, +10, +8, +9 from closest to furthest. There are specialized devices, which have a ruler at an angle and something to aim at, and can even be mounted to tripods, but they are pretty expensive for what they do.
What would bring this dock up to a 5 star, must have is if Sigma threw in a focus calibration device to accompany it and a guide on how they recommend you do it, a video on the website at least!
There are other comments about the choices of adjustable distances (in this case .3m, .4m, .6m, and infinity), but that is how lens focus works, if you look at the range finder, those distances are spaced equally apart. It seems weird, but gives you the best coverage for the entire lens range.
After some research, my options were either to send the lens in to Sigma (some folks say they need your camera too) or get this thing. Even though the focus issues are covered by warranty, you still have to pay for insured shipping each way. With that in mind, the dock seemed a little less unreasonable in price. Besides, I like tinkering with things.
It took me about an hour and a half of work to dial in the right values, though an hour of that was pretty ineffective. The thing is, they just give you the dock and you download the software, and there is no official recommended way to come up with the adjustment values. I recommend browsing around for focus calibration tutorials. What ended up working the best for me was to be in a bright room at relatively high (but not too grainy) iso, and have a tape measure leaning against a wall at an angle. Then I focused in at the 1ft marker at various distances. After several iterations of trial and error I was happy with the focus at all the adjustable distances, I ended up with +1, +10, +8, +9 from closest to furthest. There are specialized devices, which have a ruler at an angle and something to aim at, and can even be mounted to tripods, but they are pretty expensive for what they do.
What would bring this dock up to a 5 star, must have is if Sigma threw in a focus calibration device to accompany it and a guide on how they recommend you do it, a video on the website at least!
There are other comments about the choices of adjustable distances (in this case .3m, .4m, .6m, and infinity), but that is how lens focus works, if you look at the range finder, those distances are spaced equally apart. It seems weird, but gives you the best coverage for the entire lens range.
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