A-Mount Teleconverters Guide |
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dCap ![]() Senior Member ![]() Joined: 11 August 2005 Country: United Kingdom Status: Offline Posts: 6154 |
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what a fabulous thread! I can't beleave I've not read it until today!
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I can still remember how that music used to make me smile
- Don McLean |
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MEANSTREAK ![]() Senior Member ![]() Joined: 28 June 2006 Location: United States Status: Offline Posts: 366 |
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I just picked up a used Tamron 1.4 and it has 8 pins. I believe it is the generic one. It says 1.4X Mx-AF MC4 on the side. |
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eccl ![]() Admin Group ![]() Joined: 07 December 2005 Country: Canada Location: Canada Status: Offline Posts: 757 |
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I do not have my old Tamron 1.4X anymore therefore cannot confirm whether it is the same version.
I believe all the newer Tamron/Kenko/Tokina generic or DG 1.4X generic TC has 8 pins. Don't know whether it has chip inside or simply just passing through the data. |
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MEANSTREAK ![]() Senior Member ![]() Joined: 28 June 2006 Location: United States Status: Offline Posts: 366 |
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I posted a question on this elsewhere. I have the same experiance. My 2X is a Vivatar. Only my 2X reports the correct aperture. When I install the 1.4X, the aperature reports no differnt than the lens by itself. I guess this means I have to compensate my exposure, but I'm not sure how much. Also my 2X does not have 8 pins so I assume I lose some functions on newer lenses |
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MEANSTREAK ![]() Senior Member ![]() Joined: 28 June 2006 Location: United States Status: Offline Posts: 366 |
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So if I understand correctly, when a convertor fails to report the correct aperature it does not affect metering or the exposure? It only affect the reported setting? |
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eccl ![]() Admin Group ![]() Joined: 07 December 2005 Country: Canada Location: Canada Status: Offline Posts: 757 |
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"So if I understand correctly, when a convertor fails to report the correct aperature it does not affect metering or the exposure? It only affect the reported setting? "
Metering or exposure is not affected because the camera measures the actual light pass through the lens. Only the report setting is not correct. |
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marc74 ![]() Groupie ![]() Joined: 01 October 2006 Country: Germany Location: Bavaria Status: Offline Posts: 135 |
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Hi,
I´m a new member from Germany. First @ eccl: very, very great work you´ve done here!! There is only one special question about the Kenko 1.5x shq TC. This Tc works with the beercan 70-210/4 as I read in the german d7d userforum(http://www.d7userforum.de/phpBB2/reviews/showproduct.php?product=38&sort=2&cat=6&page=1). But I would like to know, if it also works with the maxxum 70-210/ 3.5-4.5, or does this not fit together? The kenko 1.5x shq TC is pronounced as dedicated in the tc- database and you told us, that the 70-210/3.5-4.5 does only fit with generic tc´s. I´m a little bit confused about that, because i would like to buy a maxxum 70-210/3.5-4.5 and extend it with the kenko 1.5x shq. Thank´s for your replie Marc |
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A77- SAL 16-50/2.8 - Tammy 70-200/2.8 DI - Tammy 60/2 Macro - Metz 48 AF-1 - TK Tokina 300pro 2X
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eccl ![]() Admin Group ![]() Joined: 07 December 2005 Country: Canada Location: Canada Status: Offline Posts: 757 |
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Hi Marc,
Welcome to Dyxum! I believe the Kenko 1.5X SHQ is a generic teleconverter therefore it should fit any lens including the 70-210/3.5-4.5 Only Kenko Pro 300/Pro 300 DG 1.4X and 2X are dedicated. Hope this help. eccl |
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marc74 ![]() Groupie ![]() Joined: 01 October 2006 Country: Germany Location: Bavaria Status: Offline Posts: 135 |
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Thank you very much!
Marc |
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A77- SAL 16-50/2.8 - Tammy 70-200/2.8 DI - Tammy 60/2 Macro - Metz 48 AF-1 - TK Tokina 300pro 2X
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csiems ![]() Senior Member ![]() Joined: 23 January 2006 Location: Denmark Status: Offline Posts: 474 |
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I'd also like to thank for the fine work with the tc's.
I've got a Tamron-F AF Tele-converter 1,4x M-AF MC4 - that should be a generic one and fit ALL lenses. It is ok with my Minolta lenses - and on the beercan it shows the correct range and f-stop. But it doesn't work at all with my Tamron lenses (90mm Macro - 200-500mmSP) That seems strange to me. Carsten |
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alanr ![]() Newbie ![]() Joined: 21 March 2006 Location: United Kingdom Status: Offline Posts: 6 |
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I'm sorry if this has been answered previously, can i buy a tele converter that will fit both a Minolta 500mm reflex and a Sigma 400mm?
Thanks in advance. |
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eccl ![]() Admin Group ![]() Joined: 07 December 2005 Country: Canada Location: Canada Status: Offline Posts: 757 |
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Any generic 1.4X, 1.7X or 2X teleconverter will fit both the Minolta 500/8 and Sigma 400mm |
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alanr ![]() Newbie ![]() Joined: 21 March 2006 Location: United Kingdom Status: Offline Posts: 6 |
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Thanks eccl |
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Dorset Mike ![]() Senior Member ![]() Joined: 20 February 2007 Country: United Kingdom Location: Poole, Dorset Status: Offline Posts: 535 |
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Hi, Just to add to the wealth of information in this thread, I have the Kenko 1.4x pro300 DG.
I can confirm that it works ok on my 5D with the Tamron 55-200 f4-5.6, only minor problem is AF is a bit slow and sometimes hunts at 180-200mm which is where the max aperture is 5.6. I have also used it with the Tokina 80-400 f4.5-5.6 again some hesitation when it gets to f5.6 i.e between 280 and 400mm. For both lenses AF at f5 seems to be OK, on the Tamron the change from f4 to f4.5 takes place at 120, to f5 at 160 and 5.6 at 180, the Tokina to f5 at 150, to f5.6 at 280. Hope this helps, cheers MIKE |
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Cheers MIKE,
5D, A350: 50/1.7; 28-75/2.8;80-200/2.8 APO Kit; 500/8; Tam 17-50/2.8; 18-280; 70-300/4-5.6: 90/2.8; MC7 2X; Tokina 11-16/2.8: 80-400/4-5.6; Kenko 1.4X: Min A200 bridge |
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