Canon Extension Tube EF 25 II. This 25mm extension tube fits between camera body and the lens, providing even closer focusing than the Extension Tube EF 12 II. Compact and portable- a great accessory to take when shooting wildlife. Maintains electronic contact between lens and body. AED 777.00.

Canon EOS 70D Canon EF 70-200mm F2.8L IS II USM Canon Extender EF 1.4x III Canon EF 40mm f/2.8 STM Canon EF-S 18-135mm F3.5-5.6 IS STM +8 more Reply Reply with quote Reply to thread Complain
回覆. 分享. 引言. 請問各位關於增距鏡extender 問題，配合Canon EF 70-200 f2.8 III IS USM ，你們會選擇? 1. Extender 1.4X III. 2. Extender 2X III. 2X 好似畫質衰退減很嚴重，1.4X 最長焦距只有280mm。.
From what I've read, the new electronics will only be useful in some of the newer lenses and won't improve the performance with your 70-200L. As for the improved optics, most reviewers have indicated that the difference in IQ between the 1.4x II and III is pretty slight, while the difference between the 2x II and III is more noticeable. EF 200-400mm f/4L IS USM Extender 1.4x; EF 70-200mm f/2.8L IS III USM; EF 70-200mm f/2.8L IS USM; Extender EF 2x III; Extender RF 1.4x; Buy Canon Extender EF 2X III featuring EF Mount Teleconverter, 2.0x Magnification Factor, Microcomputer Controlled, Communication Between Lens & Camera, Spectra Coating Reduces Ghosting/ Flare, Protective Fluorine Coating, Dust and Water Resistant, Compatible with Select EF Mount Lenses. While all 2x teleconverters degrade the quality of an image, some are better made than others, with the high-performing Canon’s EF 2x III Teleconverter coming to mind. I was keen to see if the Sony FE 2x could perform at the same high level and was especially intrigued by the prospect of pairing it with the FE 100-400mm f/4.5-5.6 GM lens and Art Morris now swears by the 70-200 F2.8 IS2 and the 2x tele, but that's the latest, most expensive version of the 70-200, and I wouldn't put a 2X on any of the earlier models. With the 70-200 already in hand (and the F4 is a nice lens), much of the lens range of the 100-400 overlaps it, so to some degree, you're wasting money with it.
An essential telezoom lens for sports, wildlife or portraits. The EF 70-200mm f/2.8L IS II USM is a workhorse telephoto zoom lens designed for professional use. It has a rugged durable design, a four-stop Image Stabilizer and specialised lens elements. See full specification . 1 / 1.
To get more magnification from the Canon EF 180mm f/3.5 L USM Lens, add a Canon EF 2x II or III Extender. The resulting 2x magnification is quite impressive. 360mm f/11.0 1/160s ISO 100. Shooting Sports with Extenders. There are few lenses that work as well with extenders as the Canon EF 300mm f/2.8 L IS II USM Lens.
I have been using the 1.4x extender with various models of the 70-200 f/2.8 along with other telephotos for 25 years. I love the 1.4x and hate the 2x. I have seen almost negligible change to an image with the 1.4x on an L lens and no difference in autofocus speed. The 2x is noticeably soft and the focus slows way down.
It autofocuses fine on just the body. I purchased a 1.4x and 2x Tamron (non-SP) teleconverters, neither of which work well with the the Sigma and result in lots of hunting and failing to lock in. I purchased the Sigma 1.4x and it works brilliantly with the 70-200. For kicks, I put the 1.4x Tamron onto the 1.4x+70-200 combo and took photos.
Of course, the benefit of having the 70-200mm + 2x is you effectively have two lenses. A 70-200mm f/2.8, and a 140-400mm f/5.6. Now for the money part, you now have a $2,400 (current street prices for both) solution vs. a $1,400 (100-400). You save $1,000, but you are also 'stuck' is a fairly slow lens and less-good (not bad) optics. Thoughts? 1. 2X III works really well and maintain a reasonable sharpness only on Superteles, 100-400 II and on on 70-200 II and unfortunately not included the 100-400 I. It's a waste of money. kingfishers are one of the skittish creatures, it posts a challenge even with 600mm + 2x. rHY67.
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    • canon extender ef 2x iii 70 200 f2 8