It would appear that the new Kenko HD teleplus convertors enables one to use compatible EF-S lenses on full frame camera bodies. One has to fit the EF-S lens to the teleconvertor and then attach the teleconvertor ,which is EF fitting, to one's full frame body. I have not yet tried this out as I have been weighing out my options but reading Robert's post on "perosnal details" above, this appears quite practical.
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A hidden bonus- EF-S lenses on full frame bodies!
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A hidden bonus- EF-S lenses on full frame bodies!
Canon 6D; Canon 760D;Canon G15;Canon 40mm f2.8(Pancake);Canon 50mm f1.8(ii); Canon 17mm-40mm f4L;Canon EF-S 10-18mm f4.5-5.6 IS STM;Canon EF-S 55-250mm f4-5.6 STM lens;Canon 24mm-105mmf4L IS;Canon 70-300mm f4-f5.6 L IS USM;Kenko 1.4x HD TC;Canon 430EX ii flash;Giottos tripod;Manfretto monopod;Cokin P filters + bits and pieces!
www.flickr.com/photos/nathaniel3390
North Wales where music and the sea give a great concert!Tags: None
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Re: A hidden bonus- EF-S lenses on full frame bodies!
My tamron lens has an EF for mount so can be attached to a full frame camera but it is designed for the 1.6 crop sensor so even on my 1dmkii with a 1.3 crop sensor it produces vignetting. Would be interesting to see an image produced with this combo on a full frame Nat to see the result1Dmk2, Canon 70-200 f4 L Non-IS & a borrowed canon 28mm
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www.paulraybouldphotography.co.uk
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Re: A hidden bonus- EF-S lenses on full frame bodies!
If you look up the thread "personal details" Robert has done some tests with the Kenko convertor and what he has said is a useful pointer. Perhaps you might like to look at Robert's comments and post your thoughts here- saves my repeating his post!Canon 6D; Canon 760D;Canon G15;Canon 40mm f2.8(Pancake);Canon 50mm f1.8(ii); Canon 17mm-40mm f4L;Canon EF-S 10-18mm f4.5-5.6 IS STM;Canon EF-S 55-250mm f4-5.6 STM lens;Canon 24mm-105mmf4L IS;Canon 70-300mm f4-f5.6 L IS USM;Kenko 1.4x HD TC;Canon 430EX ii flash;Giottos tripod;Manfretto monopod;Cokin P filters + bits and pieces!
www.flickr.com/photos/nathaniel3390
North Wales where music and the sea give a great concert!
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Re: A hidden bonus- EF-S lenses on full frame bodies!
Originally posted by collywobbles View PostIt may physically fit but I wouldn't have thought that the image circle produced by the EF-S lens would cover the full frame sensor?
5Q4A0046.jpgRobert
robert@eos-magazine.com
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Re: A hidden bonus- EF-S lenses on full frame bodies!
I have pasted Robert's comments here.
"I have the Kenko Teleplus HD 1.4x DGX converter on an EOS 100D on my desk as I type. I don't have a large selection of lenses to hand, but there are no focusing issues with the EF-S 60mm f2.8 Macro.
I have swapped this for the EF 28-105mm f3.5-4.5 II USM. A 1.4x converter loses one stop of light and the EOS 100D should not autofocus when the maximum aperture drops below f5.6. So I would expect the lens to autofocus at 28mm, but to lose autofocus at 105mm. In fact, autofocusing operates throughout the full zoom range. I have yet to carry out detailed tests, but the viewfinder image appears sharp at near and far distances".Last edited by Nathaniel; 18-10-2015, 12:36.Canon 6D; Canon 760D;Canon G15;Canon 40mm f2.8(Pancake);Canon 50mm f1.8(ii); Canon 17mm-40mm f4L;Canon EF-S 10-18mm f4.5-5.6 IS STM;Canon EF-S 55-250mm f4-5.6 STM lens;Canon 24mm-105mmf4L IS;Canon 70-300mm f4-f5.6 L IS USM;Kenko 1.4x HD TC;Canon 430EX ii flash;Giottos tripod;Manfretto monopod;Cokin P filters + bits and pieces!
www.flickr.com/photos/nathaniel3390
North Wales where music and the sea give a great concert!
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Re: A hidden bonus- EF-S lenses on full frame bodies!
In a way this also means the the Kenko HD tele convertor can be used as an "adaptor" to fit EF-S lenses to full frame camera bodies! A real bonus for all members and photographers!Canon 6D; Canon 760D;Canon G15;Canon 40mm f2.8(Pancake);Canon 50mm f1.8(ii); Canon 17mm-40mm f4L;Canon EF-S 10-18mm f4.5-5.6 IS STM;Canon EF-S 55-250mm f4-5.6 STM lens;Canon 24mm-105mmf4L IS;Canon 70-300mm f4-f5.6 L IS USM;Kenko 1.4x HD TC;Canon 430EX ii flash;Giottos tripod;Manfretto monopod;Cokin P filters + bits and pieces!
www.flickr.com/photos/nathaniel3390
North Wales where music and the sea give a great concert!
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Re: A hidden bonus- EF-S lenses on full frame bodies!
Originally posted by Nathaniel View PostIn a way this also means the the Kenko HD tele convertor can be used as an "adaptor" to fit EF-S lenses to full frame camera bodies! A real bonus for all members and photographers!
The fact that you can you the Kenco device can act as an adapter to fit FF-S lenses onto full frame bodies does not nesessarrily mean the image quality will be any good. Only tests with the adapter with each specific lens can confirm that is the case or not.
JamesJames Boardman Woodend
www.jameswoodend.com
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Re: A hidden bonus- EF-S lenses on full frame bodies!
I take your point James, being a cautious person myself. However the test that Robert has done with the EF-S 60mm macro lens is an eye opener for all of us. It might also be the spur for Canon to bring out a similar /better convertor to outperform the Kenko convertor.Canon 6D; Canon 760D;Canon G15;Canon 40mm f2.8(Pancake);Canon 50mm f1.8(ii); Canon 17mm-40mm f4L;Canon EF-S 10-18mm f4.5-5.6 IS STM;Canon EF-S 55-250mm f4-5.6 STM lens;Canon 24mm-105mmf4L IS;Canon 70-300mm f4-f5.6 L IS USM;Kenko 1.4x HD TC;Canon 430EX ii flash;Giottos tripod;Manfretto monopod;Cokin P filters + bits and pieces!
www.flickr.com/photos/nathaniel3390
North Wales where music and the sea give a great concert!
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Re: A hidden bonus- EF-S lenses on full frame bodies!
I have to agree with James Nat, just because it fits phsically doesn't mean that it will produce sharp results I'll be interested to see what it can do, but fair play to Kenko for producing something that actually fits..... how come it took so long I wonder
Gord
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Re: A hidden bonus- EF-S lenses on full frame bodies!
There are some oddities with using Kenko converters and their effect on AF. By chance I have two 2x Kenkos, one is the old black MC7 type while the other is a later Pro-300 (the white one). The older version has no effect on AF other than if the effective max aperture exceeds f8 it simply cannot lock focus but it will try. The Pro-300, on an ordinary lens, acts the same but attach it to an L lens that takes it to an effective f8 it stops the AF dead - with an L lens it appears to transmit the effective max aperture to the body rather than the nominal one. On my 40D etc that means MF only - or switch back to the black one...Nigel
You may know me from Another Place....
The new ElSid Photogallery...
Equipment: Far too much to list - including lots of Nikon...
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Re: A hidden bonus- EF-S lenses on full frame bodies!
Take your points Gordon and El Sid. The convertors referred to here are the very latest Kenko HD teleplus made for the EF-S lenses. I don't know much about the older Kenko convertors and never bothered with them. In fact I have got a Canon 1.4x ii convertor which I use often with my Canon EF 70-200mm f4L lens and it works brilliantly with full auto focus. The latest Kenko HD convertors enables you to attach a compatible EF-S lens (see the kenko compatibility chart) to the convertor and then then as the convertor is EX fit, it can be fitted to a full frame camera.Canon 6D; Canon 760D;Canon G15;Canon 40mm f2.8(Pancake);Canon 50mm f1.8(ii); Canon 17mm-40mm f4L;Canon EF-S 10-18mm f4.5-5.6 IS STM;Canon EF-S 55-250mm f4-5.6 STM lens;Canon 24mm-105mmf4L IS;Canon 70-300mm f4-f5.6 L IS USM;Kenko 1.4x HD TC;Canon 430EX ii flash;Giottos tripod;Manfretto monopod;Cokin P filters + bits and pieces!
www.flickr.com/photos/nathaniel3390
North Wales where music and the sea give a great concert!
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Re: A hidden bonus- EF-S lenses on full frame bodies!
This is the first question on my mind, when I was reading the thread: "But why would you want to atach a EF-S lens on a Full-Frame?"With kind regards,
Friso
Canon EOS 70D | Canon EF 24-105mm f/4 L IS USM | Canon EF 50mm f/1.8 | Canon EFS 10-18mm f/4.5-5.6mm IS STM | Sigma 17-50mm f/2.8 |
https://www.flickr.com/photos/128548396@N08/
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