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  1. R

    Panasonic 25mm 1.4 for $359, Amazon Warehouse deal

    I just received the lens. It came in the original box, with the corner smashed in about 3/4", and with all items. As far as I can tell it's new and never been mounted to a camera, I can't see any marks on the flange. I took a few shots with it to check out the quality. The corners have some...
  2. R

    Panasonic 25mm 1.4 for $359, Amazon Warehouse deal

    I ordered one too, thanks for the heads up. It says it's repackaged. I'm guessing they have a few of these that the packaging was damaged. maybe they are otherwise new?
  3. R

    Showcase Samyang 7.5mm f/3.5

    For comparison, here are a couple photos I posted earlier. I don't remember the aperture but I usually stop down a bit. https://www.mu-43.com/showthread.php?t=16458&page=153&p=642144#post642144
  4. R

    Showcase Samyang 7.5mm f/3.5

    I think there is something wrong with your lens. My lens is one of the sharpest I have, even at the corners. My friend (who has a 5Dmk2) even remarked about how crisp the corners were with this lens.
  5. R

    $150 refurb Acer 11.6" Chromebook, 8+-hour battery life (Haswell processor)

    My C720 with Fedora has been great, I even got WinXP working in a virtual machine. With nLite I was able to get the WinXP install down to 600 MB or so; I decided the SSD is too small for Win7. It's plenty fast. I just ordered another one for my friend going off to graduate school, going to...
  6. R

    COMPLETED Olympus m.Zuiko Digital ED 9-18mm | Location: N.California, USA | Ships: USA

    Buy & Sell Listing - Want to SellSelling Olympus m.Zuiko Digital ED 9-18mm Prices $490 Location N. California, USA Ships to USA Description Lens is in like new condition, I am the original owner. Box and all paperwork included. Also includes optional lens hood...
  7. R

    $150 refurb Acer 11.6" Chromebook, 8+-hour battery life (Haswell processor)

    I'm writing this on the C720, running Fedora Linux. It's quick! The SSD is good for 311 MB/s read which is great considering the price point. My refurb looked new, except for some stuff on the screen that I cleaned off. Here are some pros/cons so far: Pros: Very responsive (the CPU is 5x...
  8. R

    $150 refurb Acer 11.6" Chromebook, 8+-hour battery life (Haswell processor)

    Here's some info about installing Linux on the C720: http://www.linux.com/learn/tutorials/764181-how-to-install-linux-on-an-acer-c720-chromebook
  9. R

    $150 refurb Acer 11.6" Chromebook, 8+-hour battery life (Haswell processor)

    I'm not sure if you've tried any Haswell processors (especially the lower-end ones), but the GHz is not all that matters. Over the years they have taken a different approach than AMD, and they've made their processors more efficient for the speed, versus just adding cores and GHz. All my...
  10. R

    $150 refurb Acer 11.6" Chromebook, 8+-hour battery life (Haswell processor)

    Ubuntu Linux works fine on 2GB, that's what my old netbook had, as long as the drive is decently fast. This one has a M.2 SSD, so I hope so. But if you want to run multiple virtual machines it will be pretty limiting. Occasional use of a Win7 VM (with 1 GB) would work ok I think; that's...
  11. R

    $150 refurb Acer 11.6" Chromebook, 8+-hour battery life (Haswell processor)

    Nice deal, I just ordered one. I plan to put Linux on it. Thanks!
  12. R

    Rokinon 7.5mm only $243

    I've been lusting over this lens for a while now, and I tried to get in on the Lightning deal but I was too slow. :( But with both of these discounts it's $15 cheaper than that deal as I don't have to pay tax. So thanks, rusteel and duke!!
  13. R

    Road Riting

    I like it! What, no SI units? I figured at the least the service providers would use metric up there. :tongue:
  14. R

    Olympus Looks at E-M5 Banding with 20mm

    Interference caused by the chopper drive on the focus step motor, and that lens because limited space didn't allow for enough bus capacitance to filter the noise. Just guessing here.
  15. R

    Olympus Looks at E-M5 Banding with 20mm

    Fixed pattern noise due to unmitigated electrical intereference from the 20mm lens?
  16. R

    "Shimmering" manual focus

    It's not the point of critical focus, it's really the X/Y movement of the image on the sensor. In the case of aliasing on "straight" lines, X/Y movement will just move the funny colors around but they will still be there. A higher resolution sensor is better. This could mean that you have...
  17. R

    "Shimmering" manual focus

    In practical terms, it might not matter much, but do you see my technical point? The screen resolution is a lot less than the sensor resolution, especially using the EVF. If the screen is aliasing this doesn't guarantee the maximum sensor resolution. If the sensor is aliasing, this does mean...
  18. R

    "Shimmering" manual focus

    I would expect that the LCDs would use bicubic interpolation, and therefore anti-aliasing, but maybe this is not the case on all cameras. It would be easy enough to see if the saved image has aliasing when the LCD shows this "shimmering." If it is the case of only the display aliasing, then...
  19. R

    "Shimmering" manual focus

    "Shimmering" is caused by aliasing. This means that the lens resolution is higher than the anti-aliasing filter on the sensor. When aliasing occurs, it's not really a good thing as it can show up in the final image. I don't really notice it on my G3, but I've heard the Olympus cameras have...
  20. R

    Panasonic 3D LUMIX G 12.5mm/F12 Lens for $49

    Thanks! I just received my B/O lens the other day for $49. It's pretty cool, actually, and the 3D really works.
  21. R

    I don't understand

    Camelcamelcamel.com has great price history for Amazon. You can also sign up for price change notifications via email or RSS. It's great! Panasonic LUMIX G 20mm f/1.7 Aspherical Pancake Lens for Micro Four Thirds Interchangeable Lens Cameras | Amazon price tracker / tracking, Amazon price...
  22. R

    Moire in Lightroom

    That's some pretty strong aliasing! The AA filters in the Oly bodies are pretty weak it looks like. Maybe this helps: How to Reduce Moiré in Lightroom 4
  23. R

    Why does this photo look strange?

    This is a classic example of longitudinal chromatic aberration (LCA); there are different focal planes for different colors. This is particularly hard to correct in post. Stopping down the aperture will help a lot. Transverse chromatic aberration (TCA) is a lot easier to fix, and the...
  24. R

    G3 worth getting?

    I feel the jpegs are so good out of my G3 that I rarely shoot RAW anymore. Even pixel peeping I'm hard pressed to see the difference. Sometimes when the white balance is questionable I'll save RAW. To my eye the Olympus OOC jpegs are too saturated. I'm not sure if "balance" can be...
  25. R

    G3: Fast way of getting good AF control when using EVF

    The exposure of the saved image does not change after half-press, although the G3 does tend to underexpose. The exposure shown on the LCD does change. If you don't want this, turn "shutter speed effect" on.
  26. R

    G3 worth getting?

    I am a long time user of the GF1, and when the G3 came down to an attractive price, I jumped on it. I'm very happy with the G3. ISO3200 shots are well beyond my expectations! It's responsive and intuitive, there are just enough buttons to get the job done. The EVF is great for manual...
  27. R

    GH2 not another BUG please - HELP

    Yes, that's right, in aperture priority the camera will adjust the shutter, and you can fine tune the EV. That's how it works on my GF1 and G3. Sometimes the metering tends to underexpose (especially the G3) but it works pretty well. I haven't seen much discrepancy between live view and the...
  28. R

    GH2 not another BUG please - HELP

    In shutter priority mode, the camera will adjust the aperture to achive the shutter speed and exposure requested. With a manual aperture lens, the camera can't do this. Use aperture priority mode.
  29. R

    For the dog lovers

    G3, ISO 3200, Minolta MD 50/1.4, f/1.4: G3, ISO 400, m.Zuiko 9-18 @ 18mm, f/5.6:
  30. R

    Oly 9-18 on Panny body ?

    I use mine all the time, previously on the GF1 and now the G3. It's my favorite lens; small and light. It has excellent resolution, and fast focus speed. The barrel distortion correction works just fine. There is no LCA correction on Oly lenses, and this lens does show some LCA in the corners.
  31. R

    Recommend a quick release strap for my G3

    I use these mounted upside-down: OP/TECH USA Adapt-Its System Connectors And the Pro-Loop strap here: OP/TECH USA Super Classic Strap The Uni-Loop strap might be more to your liking. With the Adapt-Its you can use most any strap you desire.
  32. R

    Nice review on GF1 w/20mm lens

    I found this quote interesting:
  33. R

    Anyone have a tablet?

    I have the Asus Transformer, with the keyboard dock. I used a $100 off coupon, and it was a great value. At home I use it for 90% of my web browsing, and I also have a mount in my car to use it for navigation, back-up camera, and to control the stereo. Google maps with satellite imaging while...
  34. R

    What headphones do you use?

    I too have the Sennheiser HD 580. Very nice sound (warm, not bright), but very open. At work I use the Nokia BH-905i. It is wired or Bluetooth, has impressive noise cancelling, and sounds pretty good; all without breaking the bank. Amazon : Nokia BH-905i Bluetooth Headset (Black)
  35. R

    Sunset halo problem, help!

    The outer yellowed ring looks like lens flare, probably from the filter. The inner transition is probably caused by the fact that different colors on the sensor will saturate at different intensities.
  36. R

    Showcase Minolta 50mm f/1.4 MD Rokkor

    I have disassembled my MD Rokkor 50/1.4. It's pretty easy, but make sure you make witness marks on the helicoid before you take it apart; it is a multistart thread. There is an inner and an outer thread, you'll need to mark them both. The fine-tune for infinity focus is from the front of the...
  37. R

    45-200mm or 100-300mm?

    I own both. The focal length of the 45-200 is much more useful than the 100-300. I am too pleased with the 45-200 but the 100-300 does indeed have much sharper images. If you find yourself at 200 a lot, I would say go for the 100-300. Birding or other nature photography lends itself to the...
  38. R

    Why do our cameras have shutters?

    Our cameras have an nMOS sensor. So far, only CCD sensors have interline transfer. So with an nMOS sensor without a shutter, the problem is twofold. First, there would be a rolling shutter; fast moving objects would be skewed when exposed, because the pixel wells would be integrating as the...
  39. R

    Panasonic Direct - Needs Some Work

    I called again today and decided to cancel my order. Jim said there was no ETA for the Brown G3 camera kit. I gently expressed my disappointment in waiting for 3 months, especially since the per-order description implied that I'd be one of the first to get it. I also mentioned that there were...
  40. R

    Panasonic Direct - Needs Some Work

    ARGH!! My camera was going to ship today, but my card was declined. Of course it has been since May when I placed my order and in that time my old card number was canceled because of fraud. Instead of waiting for my call back (which I did within a half hour!) Panasonic shipped my camera to...
  41. R

    Favorite GF1 w/ 20mm lens case?

    I've had this case for over a year now, and I'm quite happy with it: Genuine Leather Ever Ready Case For Panasonic GF1 20mm | eBay It has decent quality and fits well. Mine also has enough room to allow the use of the 9-18mm lens.
  42. R

    Thin shoulder strap for GF1?

    I do remember them being a bit tough to get in, but not impossible. Keep trying, they should go. :biggrin: I can't remember if I used a tool to get them in, maybe some pliers would help to push them in. I think it would be a good idea to cover the other parts of the camera with tape while...
  43. R

    Thin shoulder strap for GF1?

    I use these mounted upside-down: OP/TECH USA Adapt-Its System Connectors And the Pro Loop strap here: OP/TECH USA Super Classic Strap It works very nice, but maybe a wider strap than you want. With the Adapt-Its you can use most any strap you desire.
  44. R

    Showcase Minolta 50mm f/1.4 MD Rokkor

    This is a very sharp lens! At f/1.4 it has quite a bit of longitudinal chromatic abberation (halo effect) but at f/2 it starts to shape up nicely. In the later models (like my MD-Rokkor) the helicoid is aluminum on aluminum. This is nice for weight savings, but similar metal-on-metal...
  45. R

    Speed of SD card

    GF1 Performance I don't do video, but I do like the fast cards for high speed shooting or to reduce the delay from shooting to preview on my GF1. I tested my previous card at 13 MB/s write on my PC, and I recently bought a Sandisk Extreme III card that tested at 23 MB/s. I saw a small...
  46. R

    Quick Release Strap Suggestion Wanted

    https://www.mu-43.com/f67/le-hook-quick-release-2962/
  47. R

    Re: GF1 video Hack advice wanted

    Video and stills are handled very differently by the sensor and the image processor. In any case there is a limitation somewhere that does not allow the GF1 to achieve video at 1080p. If it was a raw processing power limitation I would imagine the processor could do real 1080p at a lower bit...
  48. R

    Re: GF1 video Hack advice wanted

    I played around with this hack a while ago, and I agree, I don't think the sensor is capable of really doing 1080p.
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