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Kenko Autofocus
Kenko Autofocus
High-end entry-level SLR Sony A350 two sets of machine sales - Sony A350-IT industry
Is a high-end Sony's entry-level SLR cameras. Today I learned from the market, the current A350 is a promotion, says:
Set 1: Sony 350 body with double Shot (DT 18-70mm F3.5-5.6 +75-300 mm F4.5-5.6) (with random standard) (including invoices) +2 GCF card (5 year warranty) + professional camera bags + FM500H lithium Battery Senior L +2.7 inches CD Protector +2 Kenko Filter 55mm UV + send ( 350 full interpretation) 1 = 5,880 yuan (including invoices)
Set 2: Sony 350 body with dual-lens (DT 18-70mm F3.5-5.6 +75-300 mmF4.5-5.6) (with random standard) (including invoices) +4 G CF card (5 year warranty ) + professional camera bags + FM500H advanced lithium batteries +2.7 inch LCD protector +2 Kenko filter 55mmUV + send ( 350 full interpretation) 1 = 5,980 yuan (including invoices)
Click the picture to view details of Sony 350
Sony A200, A300 and A350, as a fellow of milk, the appearance of areas of similarity is high, A350 compared to A200, in addition to the shutter and the handle below the bottom right corner of the pixel mark, almost no difference, on the back as A350 flip the folding screen, so screen space occupied by more and more A350 fuselage at the top of a live view of the switch.
The parameters, the Sony A350 can be said is the low-end entry-level SLR camera in a the most. A350 uses an APS-C size 14.2 million pixel CCDC sensor, maximum resolution image 4592 × 3056, shutter speed 30-1/4000 seconds, light sensitivity range of ISO100-3200, back by a piece of the fuselage 230 000 pixel 2.7 inch LCD screen, and can be folded down flip, with real-time viewing capabilities for users and DC As easy framing.
Although the low-end positioning, but the Sony A350 in terms of performance is still relatively strong. Sony A350's biggest selling point comes as LIVEVIEW, and compared to some of the high-end camera models, the Sony A350's LIVE View function more practical, it draws on the framing of Olympus, in the body placed inside a piece of another CCD, when LIVEVIEW button to open when the light path inside the body automatically change, then 350 can, like DC as a viewfinder, while the LIVEVIEW the same time, the Sony A350 can autofocus, so it's practical large LIVEVIEW function increase. Also in normal mode, A350's continuous shooting speed of 2.5 / sec, while in LIVEVIEW mode, only 2 / sec.
Click the picture to view details of Sony 350
Also adopted a similar Sony A350 Fujifilm S9600's flip the screen, this screen can turn upside down and not like the Canon A series of flip-screen turn as the whole point of view, users can ensure 180-degree viewing screen, Support from the metal screen made of more substantial. Sony A350 DSLR with Sony CCD uphold the tradition of anti-shake, anti-shake machine is called a head to benefit all. A350 and A200, same as the A700 with the delegation of nine focus system, focusing accuracy and speed of the Sony camera is relative in the past has made substantial progress.
Click the picture to view details of Sony 350
Sony A350 with CF card as storage medium, using lithium battery supply.
[Price]: Sony A350 two sets of machine
[Inquiries] :010-62685707
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Has anyone used a Extension tube? Is that a good idea?
Like what i have stated in the question, is extesnion tube for macro photography a good idea? I gonna buy it to use with my Nikon 50mm f1.8D.
What are the good points and bad points of using it?
The one i am gonna buy is the kenko, with Autofocus and the diaphram lock automatically.
Thanks for your helps.
An extension tube is a good way to get into macro photography with the lowest possible investment. Yes, you could buy "close up lenses" that screw on like filters, but there will be less distortion with an extension tube.
The fact that your Kenko preserves the autofocus and diaphragm action is a major plus, because this is usually what makes extension tubes a pain in the butt to use.
The biggest drawback of using an extension tube is the light loss. I am sure that the directions will give you the exact amount. Since you are using a through-the-lens meter, you will not have to do any calculations or anything. It will just work. The minimum aperture on your Nikon 50 mm f/1.8D lens is f/22. I will guess that there is a 2X loss of light, so the f/22 will admit the equivalent of f/45 to the film or sensor. If you need to open up to (say) f/8 or more, you will find that you have an extremely shallow depth of field. Most of the time, this is fine in macro work, but some times it is very limiting as compared to using a $400-800 macro lens.
It also appears that the greatest magnification you can get with the Kenko extension tube is 1:2 and you can't get all the way to a 1:1 reproduction. While this isn't as good as it gets in the macro world - once again, compared to using a $400-800 macro lens - it is still quite a bit better than the 1:6.6 that your lens would otherwise provide.
Kenko Pz-AF 1.5x Teleplus SHQ with Pentax K10D and DA* 300mm SDM lens