屋頂庭院Roof Yard 20091211

!9#: 屋頂庭院Roof Yard 20091211

初試新百微鏡頭。Canon 5D Mark II with EF100mm f/2.8L macro IS USM Lens.

屋頂庭院Roof Yard 20091211

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CANON VIDEO MACRO

!9#: CANON VIDEO MACRO

HOW AS ADD MACRO LENS TO SHOOT VIDEO MACRO EQUIPO PARA FILMAR VÍDEO MACRO...

CANON VIDEO MACRO

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Female Bettas

!9#: Female Bettas

Three of my female bettas. Over two weeks of pecking order in a 15 gallon tank now and they still flare and occasionally snap at each other; but otherwise, are not causing any significant damage to each other. In the midst of the pecking and flaring, I named them after Mortal Kombat characters. The white pastel is Sonya. The blue/red crowntail is Kitana (her tail looks like a fan to me). The steel blue is Sindel. I have a red one who is Mileena, but she is not shown here. Taken with the Canon EOS 5D Mark II with the Canon EF 100mm f/2.8L Macro IS USM.

Female Bettas

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A Good Canon Digital SLR Lens Is Worthy Of Its Price Tag

!9#: A Good Canon Digital SLR Lens Is Worthy Of Its Price Tag

Did you know that the lens is as important. If not more important, than the camera you are using? I use Canon models, so I am always on the lookout for the best Canon digital SLR lens that MY money can buy (I don't have deep pockets).

When I started taking digital photos with my first Olympus 3-megapixel point and shoot camera, I became obsessed with nature pictures. I was especially taken with macro and bird photography.

So now, when you pair Canon digital slr lens with nature, you are talking about image quality in its finest form. For some types of photography like family pictures or street journalism, the sharpness and detail are not quite as important as with nature photos.

I have had the occasion to "lose myself" in a "National Geographic" or "Outdoor Photographer" magazine, imagining that I was the nature photographer who submitted the award winning photos on those pages.

Those guys and gals who shoot for "National Geographic" use lenses that cost in the thousands of dollars... way too costly for my meager budget.

But getting a good quality Canon digital SLR lens can be accomplished on a smaller budget, and "award winning" images are possible, too.

When I say smaller budget, I am talking about, let's say, a bird lens of about 300mm f/4 with an extender. If you are shooting with a Digital Rebel or a 60D, you can have an effective range of about 600mm, give or take a few millimeters. You can get some excellent photos with that kind of setup.

Or consider a Canon 100mm macro lens. It is an amazing lens for under 0. There are lots of examples of award winning photos with this sweet little macro lens.

The great part about the better lenses is that they are not limited to nature photography. A good long distance lens can do very well with sports like soccer and football. And a 100mm lens is perfect for portraits.

Getting a good Canon digital SLR lens or two will give you years of gratification in your chosen hobby or profession.

A Good Canon Digital SLR Lens Is Worthy Of Its Price Tag

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Canon EF 70-200 F4 L IS Lens Review

!9# Canon EF 70-200 F4 L IS Lens Review

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Canon EF 70-200 F4 L IS, one of famous telephoto lenses of the photography world today, is comprised of 4 main important parts which are lens construction, a lens body, IS (Image Stabilizer system) and an aperture. I have been using this lens for awhile and I would like to share my review into 4 important parts as listed below.

Firstly, the lens construction is composed of 15 lens groups and 20 lens elements with a filter diameter of 67 mm and it has a focal length range from 70 mm to 200 mm. Moreover, there are 2 UD (Ultra-low Dispersion) lens elements and 1 fluorite lens element which help dramatically light dispersion, color balance, image sharpness and a vignette while minimizing ghosting and flare. It has the closet focusing distance of 1.2 m and the maximum magnification of 0.21 m. It is used for dispersing light reflected from objects into an image sensor in a camera.

Secondly, with a total weight of 760 gram, the lens body has a diameter of 76 mm and a length of 172. It has a strong white magnesium alloy case with black rubber cover at a zoom ring and a focal ring and a red ring showing as the Canon professional lens, called L-series lens, around a front part of the lens. It is used to protect the lens elements, the aperture, dust and moisture from outside.

Thirdly, the aperture is made of 8 circular diaphragm blades. Its maximum aperture (F-Stop number) is 4 and its minimum aperture (F-Stop number) is 32 throughout all focal length. Moreover, there is no an aperture ring at the back of the lens so the aperture must be adjusted by the camera only. Its functions are for controlling the amount of lighting coming into the image sensor and depth of field.

Finally, IS (Image Stabilizer system) contains a special gyro system which shifts lens in the gyro system in the opposite direction of hand shaking both x-axis and y-axis in order to compensate vertical and lateral movement of hands while taking photos. Consequently, the motion of IS will cancel out hand shaking directions and the light coming into the image sensor will be steady. It is very useful when photographers would like to take photographs in low shutter speed condition and it gives an equivalent effect of shutter speed approximately 4 stops. With the IS, it helps considerably photographers get sharp images in low shutter speed condition.

In conclusion, the 4 main important parts of the Canon EF 70-200 F4 L IS lens which are the construction, the lens body, the IS (Image Stabilizer system) and the aperture make this lens as the outstanding professional telephoto lens.

Canon EF 70-200 F4 L IS Lens Review

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Canon EF 100mm f2.8L IS USM macro lens

!9# Canon EF 100mm f2.8L IS USM macro lens

Bought a new macro lens of Canon. The EF 100mm f2,8 IS USM. This is a fantastic lens! Just love it!

Canon EF 100mm f2.8L IS USM macro lens

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Canon Portrait Lens On a Budget - How To Choose A Portrait Lens

!9# Canon Portrait Lens On a Budget - How To Choose A Portrait Lens

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Getting a good portrait lens is not difficult, but knowing which ones qualify is important. Before you go out and make a purchase, you should take a look into your camera bag to see if you may have a Canon portrait lens in there cleverly disguised as.. let's say a Macro lens or maybe a sports action lens.

The first issue is to determine what the qualifications of a good Canon portrait lens actually are. But in the process, keep in mind that you want to save money.

I hope this does not burst your bubble. I mean, photographers are kind of like fishermen and golfers. We are always under the impression that we need the next new camera or lens that comes out. Or, like my mother-in-law used to say, "If you don't have it, you need it." While the grass may be greener on the other side of the fence where your neighbor has a Canon EF 135mm f/2.0 portrait lens that she paid 00 for, it's possible that you can get by with something that you either already own or that costs just a tad bit less.

OK, real quick, the qualifications:

1. Image quality - this has to be really good. You do not want a lens that has poor image quality. After all, you will be shooting people, and most people are very vain about their appearance. It's not like taking a picture of a monkey or bear at the zoo. Those animals don't care what their picture looks like.

To find out whether the lens in question will qualify as a Canon portrait lens with respect to image quality, check some expert sites. But keep in mind that these guys are going to be very technical. You might just want to go to the Amazon or B & H Photo website and check user reviews. In that case, look for reviews from advanced amateurs or professionals. They will also be fairly reliable.

2. Focal length - Portraits can be taken with a lens that is as short as 50mm or as long as 300mm. Some of the pros use the extra long length to get the great bokeh, but normal portrait shooters use a lens of about 85mm to 135mm. The good news is that if you have an entry-level or mid-level digital SLR, you have what is known as a crop factor, which simply means that your camera multiplies the focal length of the lens by either 1.5 or 1.6 depending on the make of the camera. So if you have a 100mm lens, multiply it by the crop factor of, say 1.6, and you have an effective focal length of 160mm. And a 50mm lens becomes an effective focal length of 85mm. Of course, the shorter the focal length, the closer you will be to your subject. That's why a wide angle lens of 28mm will not be your best bet for a portrait lens.

3. Aperture - The aperture is really important. The wider the aperture, the better your chances for getting the nice blurry background that is desirable in this type of photography. You want a minimum of f/4.0 for longer length lenses, such as a 180mm lens, and at least an f/2.8 for the shorter lenses, such as 50mm. The larger the aperture, the better your background will be. But you also need a good sharp focus on the eyes because there is a very shallow depth of field with the wider apertures.

Generally, single focal length lenses are preferred for portraits, but that is not a hard and fast rule. Some photographers use their Canon 70-200 mm lens for this and are very happy with it.

OK, so there is a wide range of possibilities here. Going back to the first suggestion, look into your camera bag and see which, if any, of your current lenses fit the qualifications. If you still need to purchase a Canon portrait lens, proceed with patience. Getting a lens that can do two or three types of images is also a viable option.

One last thing. Third party lenses, like Sigma, Tamron, and Tokina are also great ways to save a few bucks. There are some excellent lenses made by these manufacturers, but make sure you check what the experts and others who have used them say in forums and online comment areas.

Canon Portrait Lens On a Budget - How To Choose A Portrait Lens

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