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Reviews (8)
10 July 2009
Kodak EASYSHARE Z1012 IS 10.1 Megapixel
1 of 1 found this helpful Having owned several Kodak EasyShare cameras through the years; 2 Mp, 3 Mp, 4 Mp, 6 Mp, 7 Mp, 8 Mp, and now the 10.1 Mp. I have been fairly satisfied with the performance of the cameras. The Kodak cameras have the same quirks throughout the years and after getting used to them, I have stayed with them. The 6 Mp had a serious issue under the automatic settings where the ISO would be set to 200 for indoor flash pictures. This would cause washed out pictures. Using one of the programmed modes fixed this. The 7 Mp also fixed this problem by setting the ISO to 80 for indoor flash pictures. The 7 Mp camera wasa a good balance of point and shoot and customizable settings. I purchased the 8 Mp thinking that there would be some improvements especially in the video area. The camera made some great improvements but like the difference between the 3 Mp and 4 Mp, battery life suffered greatly. Batteries would only last for under an hour of conserevative picture taking. When I noticed that the 10 Mp was available and had HD video I thought I would give it a chance. I have been well pleased with the 10 MP. The video quality is exceptional- the audio and video are in sync and you can zoom in or out while filming. The manual focus works great. I can now take pictures at the zoo without worrying that thge camera will focus on the cages. I can also take action shots which was a limitayion on the earlier models. I like the size and the weight of the camera. It's just large enough and heavy enough to be comfortable. Battery life is greatly inproved and the black color is attractive. The only quirk that I see is the auto ISO settings are still now the ones I see as optimal. Then again, you can adjust them in the program mode. It's a nice little camera.
24 April 2010
Tamron AF 75-300mm Vs. Canon 75-300mm USM
1 of 1 found this helpful Canon EF 75-300mm f/4-5.6 USM 75-300mm
Tamron AF 75-300mm f 1:4-5.6 LD TELE-MACRO (672D) Lens
If you are looking for a really technical review/ comparison of these two lens, that is not what I am going to do. I am comparing these two lenses for the person who has purchased an entry level Canon DSLR camera and is looking for a cheap mid-range zoom lens.
First off, neither of these two lenses are high quality in build or performance. It could be argued that if you are serious about photography that you will overlook these two lens and spend a little more to get a better lens. If you are just going to use a zoom rarely, one of these might be worth looking into.
Let’s assume now that you are looking to choose one of these lenses. What is the same with the two lenses. The physical size is pretty close and they are both f/4-5.6 75-300mm lenses. On paper the specifications are pretty close.
So which one do I choose? The Canon uses a 58mm filter size which is the same as the kit lens for the Canon. The Tamron uses a 62mm filter. If you are not wanting to buy all different filters, then Canon has this in their favor.
The Auto-Focus motors are different. The Canon has a Micro USM and the Tamron has a DC motor. What this means is that the Canon may focus a little quicker and smoother than the Tamron. In actual use the Tamron is a little bit noisier that the Canon but the focus speed is about the same. The better Canon lens use a Ring USM which is quicker, smoother and quieter. Canon also has a version of the 75-300mm with a DC motor that is a few dollars less. There is no clear winner here.
The build quality is pretty much the same on these lens. The Tamron is slightly heavier but the Canon feels a little tighter. Both are plastic and fairly light. Again, there is no clear winner for build quality.
Now to the important part of the review, ‘What do the pictures look like?’ I have three shots that I use to test or check out lens; (1) the key lock slot on a trailer that is about 300 feet away, (2) the top of a large evergreen tree about 500 feet away, and (3) a broken branch that is about 200 feet away. All the photos are taken in the late afternoon so the sunlight is directly shining in the target.
All the shots were done with a Canon Digital Rebel 500D mounted on a tripod and taken using a wired remote. Both of the lenses have multicoated UV filters.
Shot (1) shows me how crisp the focus is as well as how well the bright white and the shadows look. The Tamron lens at 300mm lacks contrast and the key lock slot on the trailer is not clearly defined. The Canon lens at 300mm has pretty good color and contrast. The key lock slot is very clearly defined. These results are fairly consistent from 75-300mm.
Shot (2) shows me if the focus is clear and shows me the degree of chromatic aberration (I know this is a technical term but I do check it out) of the lens. The Tamron fails this shot consistently. The focus is worse than unclear. I have used manual and auto focus with the same results. The branches, needles and pine cones all appear to be in a haze. As you zoom into the picture (100 %) on your computer screen you can see the cyan colored outlines. The chromatic aberration is terrible and whatever f-stop you choose. The Canon does very well with this shot. The branches, needles, and pine cones are both clear and well defined. There is a very slight chromatic aberration but not enough to be distracting.
Shot (3) is
15 October 2010
Canon EF 50mm f/1.4 USM Lens
Having also owned and used a Canon EF 50mm f/1.8 lens, I feel I can say the following.
The f/1.4 can take great photos with pretty decent bokeh. The autofocus works very well and is fairly quick.
Is it worth the extra price compared to the f/1.8? Yes and no. Your best bet would be to save up for the 'L' series f/1.2.
The weight of the f/1.4 is about right, it has a metal camera mount and uses 58mm filters. The build quality is horrendous for a $300 plus lens. The f/1.8 is light and has poor build quality- what do you expect for $100 lens with decent glass. The manual focus ring on the f/1.4 is not smooth at all. It feels like sandpaper running against sandpaper as you adjust it. Would I buy it again, probably not.