Minolta Ls 100 Communication Manual
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LS-IIO INSTRUCTION MANUAL KONICA MINOLTA. Luminance Meters LS-IOO and LS-110 are lightweight, compact meters for taking. May cause harmful interference to radio communication. However, there is no guarantee that inter. LS-100: luminance over 299,900 cd/m2 (87,540 fL) at FAST response speed, over.
Key Features
B&W Speed: Up to 55 ppm
High Capacity 300-Sheet Document Feeder
Max Paper Capacity: 6,650 sheets
Standard Single-Pass Dual Scanning: up to 240 opm
Other Features
- Dual scanning at up to 240 opm quickly brings information into your workflow
- Standard IWS/web browser
- Standard 4 GB of memory
- Intelligent 9' multi-touch display panel
- Secure network integration, data encryption, HDD overwrite and advanced user authentication
- Downloadable apps from our Konica Minolta Marketplace to improve your productivity
- Konica Minolta participates in EPEAT, a ratings standard for measuring electronics products’ environmental impact
Highlighted Accessories
- 100-Sheet Staple Finisher with accessories for 80-page booklet-making, 2/3-hole punching, folding in multiple patterns including Z-fold
- Compact 50-sheet staple finisher for multi-position stapling and sorting, with optional for 80-page booklet-making and 2/3-hole punching
- Space-saving 50-sheet Internal Staple Finisher for auto-finishing convenience in less floor space
- Large Capacity Unit with 2,500-sheet capacity in paper sizes up to 12” x 18”
- Large Capacity Unit with 3,000-sheet capacity (8-1/2” x 11” paper)
- Hard disk mirroring option to ensure that all data saved on the main hard disk drive (HDD) is always saved on a backup HDD as well
Additional Models
The LA-EA4 makes it possible to use Sony A-mount lenses like the mighty ZA 1.8/135 on E-mount bodies like the Sony Alpha 7 or Nex-6 with full AF support and aperture control.
In this article I want to give an overview about its functionality and share my experience with it.
This adapter was loaned to me by Sony for this review.
Technical Data
Dimensions (approx. mm, W x H x D): 78.5 x 86.5 x 44.5
Weight (approx.): 160g
Price: $349.99 in the US (check on Amazon.com), around 250€ € in Germany (check on Amazon.de)
The Adapter
The Adapter is much bigger than adapters for manual lenses because it has to include an AF module, an AF motor and a second motor to control the aperture.
It replaces the older LA-EA2 which wasn’t full-frame compatible and it can be used with APS-C cameras like the Sony Nex-6 or a5000 as well as with full-frame cameras like the Sony a7.
The LA-EA4 uses Sony’s SLT technology, so a semitransparent mirror redirects a some of the light coming from the lens to a AF sensor. This makes it possible to have liveview and fast phase detection AF at the same time. The cost for this is that 1/3 stop of exposure is lost so you have to compensate with a longer shutter speed or higher ISO.
The adapter is compatible with almost every A-mount lens made by Minolta or Sony from 1985 until today, the only exceptions are most Xi lenses and the Macro-Zoom, Sony Australia has a list of incompatible lenses.
It won’t work for older fully manual lenses which carry the MC or MD name tag. For those lenses check out my manual Minolta lenses post.
Aperture control
The LA-EA4 has a motor to control the mechanical aperture mechanism of A-Mount lenses, so all camera modes will work without limitation.
Lenses will be stopped down to the selected aperture value in the moment the shutter is pressed.
I have a feeling that this increases the shutter delay a little bit but I have no means to measure it.
You can program one of the a7’s many buttons to DOF preview.
Autofocus
AF is better than I had hoped but it isn’t perfect.
The Adapter has 15 AF sensors of which 3 are cross type.
The area covered by these sensors is rather small, less than 10% of the image is covered when it is used with a full-frame camera. With a APS-C camera like the Sony a6000 the coverage will be around 20% of the frame.
This is an image of the camera screen showing the sensor coverage with the Sony Alpha 7 and the type of sensor.
A vertical sensor will pick up horizontal structures and vice versa.
There are 3 options for the Focus Area
- Wide – the camera can choose from any of the 15 sensors
- Center – only the central AF sensor is used
- Flexible Spot – you can choose one sensor
There are 4 options for the Focus Mode
- AF-S
- AF-C
- DMF – after the camera has found something to focus on, the AF is uncoupled and you can focus manually, also with older screw driven lenses.
- MF
Apart form the coverage the AF itself is great.
I used the Sony 70-400mm F4-5.6 G SSM most of the time and set the camera to AF-C and let it use all AF sensors and was surprised that the AF was really responsive and tracked moving animals like a lynx or a beaver quite well, precise and without noise. No complaints here.
thanks to a fast AF I was able to catch the yawn of this lynx
I haven’t used many DSLR cameras but AF felt more responsive than I am used to from the Canon 5dII with 2.8/24-70L I and 4/70-200L USM.
I also used an 30-years-old Minolta AF 3.5-4.5/28-85 which worked well, it was rather noisy though and not as responsive as the modern SSM lens, but perfectly usable.
AF with my lenses was precise, but it is possible to correct front/backfocus for specific lenses in 40 steps from -20 to +20 (AF Micro Adj.).
Manual Focus
By setting a button like the Center Button to AF/MF Control Hold, AF is deactivated and the focus mechanism uncoupled in the case older screw driven lenses so one can focus manually.
If AF is uncoupled from the shutter release (AF w/ shutter Off) manual focus with SSM lenses is even easier, just grab the focusing ring and focus even if AF is activated.
In contrast to native FE lenses the image isn’t automatically magnified when the focusing ring is turned.
Handling
Initially I was worried that the big ZA 1.8/135 and Sony 70-400 wouldn’t handle well on the rather small A7 but I have no problems using them.
The A7’s controls work well with A-mount lenses, adapter and camera feel like a unit to me.
With heavier lenses I support the lens or the adapter with my left hand, because the adapter has a rather big base it gives a good contact area.
The LA-EA4 has a non detachable tripod mount with a bigger contact area than the A7, so even heavier lenses like the ZA 1.8/135 can be safely used with a tripod.
Sony Nex-6 LA-EA4 400mm f/5.6 70-400mm G
Image Stabilizer or the lack thereof
Sony A-Mount lenses feature no image stabilizer because Sony uses a camera based stabilization (some Sigma lenses do feature an image stabilized, but compatibility is an issue with older Sigma lenses and I never used such a lens).
So while all lenses are stabilized when used with an A-Mount camera, they are not on the A7. The new Sony Alpha 7 Mark II does feature an image stabilizer but I haven’t used it yet.
For many applications this might be an issue, for other applications it isn’t an issue or there are workarounds.
Right now in Germany it is winter and the sun is rarely seen, so I use a monopod which is more flexible than a tripod and stabilizes the lens a lot, I can get sharp images at 400mm even at 1/125 of a second and reliably sharp images at 1/200s .
A monopod also helps with focusing because the previewimage is stabilized by it as well.
Image Quality
Minolta Ls 100 Communication Manual Pdf
The mirrors used in the first generation of Sony SLT cameras caused some degradation of image quality but Sony claims that the current generation of mirrors has overcome these problems.
As I don’t have a LA-EA3 to test it against the LA-EA4, so I could present you reliable test-data.
But I didn’t notice any obvious optical defects which might be attributed to the and LA-EA4 and couldn’t find any substantial claims that the translucent mirror causes a degradation of image quality either.
So until someone shows me good evidence I assume that image quality isn’t affected by the adapters mirror.
this 100% crop shows good sharpness, despite the longish exposure time and high Iso.
Alternatives
The LA-EA3 is quite a bit cheaper and has no AF module, so there is no light loss, but AF only works with SSM or SAM lenses and it is really s l o w. Everything else works the same as with the LA-EA4.
There is no alternative if fast AF is important, but with the Metabones Canon EF Lens to Sony NEX Smart Adapter (Mark III) Canon EF lenses can be used. AF is much slower but there is no light loss and it supports IS, so this is they way to go if an image stabilizer is important.
Conclusion
I would recommend this adapter to anyone who owns A-mount lenses, an E-mount camera and needs AF.
If AF isn’t important to you, the cheaper LA-EA3 works even better because you won’t loose any light to the adapter.
I really enjoyed to use some great A-mount lenses on my a7.
Summary
- works with (nearly) all Minolta/Sony A-mount lenses
- fast, reliable AF
- good handling
- lenses aren’t stabilized
- 1/3 stop light loss
- AF sensors cover less than 10% of the frame
Free Minolta Manuals
Affiliate Links
If you think about buying the Adapter, please use these affiliate links, it won’t cost you anything and I can earn a small percentage of your purchase to keep this blog running.
Sony LA-EA4 – Amazon.com Sony LA-EA3 – Amazon.com
Sony LA-EA3 – Amazon.de Sony LA-EA4 – Amazon.de
Image Samples
just click on the images to download them in full resolution from flickr.
Sony F4-5.6 70-400mm G SSM 400mm f/5.6
Sony F4-5.6 70-400mm G SSM 400mm f/5.6
Sony F4-5.6 70-400mm G SSM 400mm f/5.6
Carl Zeiss Sonnar 1.8/135 ZA f/1.8
Minolta MC Rokkor 1.2/58 Review
Tokina 2.5/90 Macro Review
Canon FD 4/300 L Review
Zeiss 4/24-70 Review
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