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Kenko 1.4X Pro 300 DG Teleconverter


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#1 mule_patterson

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Posted 04 March 2007 - 06:14 PM

Received a new Kenko 1.4X Pro 300 DG Teleconverter this week from an eBay outfit in Hong Kong. It is designed to be used with all modern Nikkor AF optics and worked flawlessly with my 18-70 DX Nikkor. Well built and multicoated, it gives an excellent performance overall. I bought the TC specifically for use with my Nikkor 180/2.8 ED AI-S (effectively creating a 387/4 optic after all conversion factors calculated) which mounted right up after I did a two-step lens release lever dance to clear the indexing tabs. All shots were taken with a tripod on 100 ISO at f8 with Mirror-Up from infinity and the closest focus available with this setup. Attached File  tc_180_closeup.jpg   50.29KB   26 downloads Full Frame Attached File  tc_180_closeup_100crop.jpg   32.25KB   29 downloads 100% Crop Attached File  tc_180_culvert.jpg   67.51KB   24 downloads Full Frame Attached File  tc_180_culvert_100crop.jpg   34.5KB   26 downloads 100% Crop Attached File  tc_180_porch.jpg   80.61KB   22 downloads Full Frame Attached File  tc_180_porch_100crop.jpg   64.03KB   21 downloads 100% Crop No PP'ing was applied to these images other than PS CS3's standard ACR settings. With skilled PP'ing any images shot with this unit would be first class - no color fringing or other anamolies. The Kenko unit is well praised as being all but equal to Nikon TC's - and I agree!
Brian "Mule" Patterson
Knoxville, Tennessee USA
www.brianrpatterson.com

DSLRs Nikon D300 w/ MB-D10 | Nikon D40
DX Optics 10.5/2.8 DX Fisheye | 16-85/3.5-5.6 VR DX Nikkor
FX Optics 14-24/2.8 Nikkor | 24-120/3.5-5.6 VR Nikkor | 70-200/2.8 VR Nikkor | 85/1.4 Rokinon | 50/1.8 AIS Nikkor | 55/2.8 1:1 Vivitar Macro | Kenko 1.4X TC
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Software Adobe Lightroom | Adobe Photoshop CS | Nikon Capture NX | Photomatix HDR
Lighting (2) Nikon SB-800 | (4) Sunpak 422/433 | (2) Lester Dine Ringlights

#2 james23p

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Posted 04 March 2007 - 06:57 PM

Great Mule I just orderd the Tamron badged version of this to use on my 500 Ai-P. The reason I chose this one is that even thought I do not have AF on this lens it will meter and transmitt data on my D80 and D50 unlike the Nikon ones that cost more or need a home adjustment that I am afraid to do, and I paid a tad more than you but alot less than the Nikkors at 145 plus tax but still the same TC and my local shop should have it in about 2 weeks. Plus it will AF with my 180 2.8 AF-D ED so all around good news and now that I see how well it works for you I am really ready to get mine. Jim

God bless all those in harms way and Go Navy!




D700 w/MB-D10, D605 w/MB-D14, D200 w/MB-D200, D50, Coolpix P330.

Nikon 1 stuff: Nikon V1, Nikkor 10mm f2.8 pancake w/HN-N101 & HC-N101, Nikkor 10-30mm f3.5-5.6 w/HB-N101 Aspherical VR,, Nikkor 18.5mm f1.8 w/HB-N104, Nikon 1 FT-1, SB-N5 w/Polaroid Diffuser .

F100 w MB-15, N80, FM3a, FE2(Black and Silver) and EM.

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Nikon Series E lens, 28mm, 100mm, 135mm, 75-150mm, 70-210 f4.

MF Nikkor's 50 f2 Ai, 500 f4 ED Ai-P.

 

MF Rokinon 14mm f2.8 ED AE UMC(Ai-P)

MF Rokinon 85mm f1.4 ASP AE UMC(Ai-P)

Sigma 24-70 f2.8 EX DG HSM, Tamron's SP 70-200 f2.8 LD Di IF/Macro BIM, Kenko Pro 300 1.4 TC DGX, Tokina 100 f2.8D Macro At-X.

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#3 Neil Rothschild

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Posted 04 March 2007 - 07:37 PM

Mule, It would be interesting to see comparison images with and without the TC. The Nikkors are obscenely expensive. Regards, Neil

#4 mule_patterson

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Posted 05 March 2007 - 04:01 AM

To be honest, the 180 ED samples satisfied my need to determine image quality as there was no real degradation to see. I did take some with/without TC images using the 18-70 DX to show the 1.4X conversion factor and 100% crop area - here's one of them. Default PS CS3 ACR settings were used. Attached File  18_70_no_tc.jpg   55.88KB   20 downloads Without TC Full Frame Attached File  18_70_no_tc_crop.jpg   50.74KB   18 downloads Without TC 100% Crop Attached File  18_70_tc.jpg   45.63KB   20 downloads With TC Full Frame Attached File  18_70_tc_crop.jpg   67.93KB   22 downloads With TC 100% Crop The TC adds a nice tele conversion to any lens and, as Neil points out, for a lot less than Nikon gear will cost you. The 1.4X TC's are generally considered the better choice compared to the 2X varieties for optical peformance (with Nikon's newer TCII lineup as an exception). The Tamron unit is reportedly the same item but I can't confirmed that. Does anybody see a problem with these results? I can't!
Brian "Mule" Patterson
Knoxville, Tennessee USA
www.brianrpatterson.com

DSLRs Nikon D300 w/ MB-D10 | Nikon D40
DX Optics 10.5/2.8 DX Fisheye | 16-85/3.5-5.6 VR DX Nikkor
FX Optics 14-24/2.8 Nikkor | 24-120/3.5-5.6 VR Nikkor | 70-200/2.8 VR Nikkor | 85/1.4 Rokinon | 50/1.8 AIS Nikkor | 55/2.8 1:1 Vivitar Macro | Kenko 1.4X TC
Support Bogen 3221 w/ Markins M20 & RRS B2 LR II| Bogen 681B Monopod/Gtai Ballhead | Induro C014 CF/Gtai Ballhead | Nodal Ninja 180 Pano Head
Software Adobe Lightroom | Adobe Photoshop CS | Nikon Capture NX | Photomatix HDR
Lighting (2) Nikon SB-800 | (4) Sunpak 422/433 | (2) Lester Dine Ringlights

#5 mule_patterson

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Posted 29 October 2007 - 01:29 PM

Just an additional thought on this subject - my current Kenko TC is great but lacks support for VR optical operation. I will keep an eye out for this feature if/when it is added to their product specs. If anyone comes across one that uses the VR lens-to-body connections, please let us know... thanks. Mule
Brian "Mule" Patterson
Knoxville, Tennessee USA
www.brianrpatterson.com

DSLRs Nikon D300 w/ MB-D10 | Nikon D40
DX Optics 10.5/2.8 DX Fisheye | 16-85/3.5-5.6 VR DX Nikkor
FX Optics 14-24/2.8 Nikkor | 24-120/3.5-5.6 VR Nikkor | 70-200/2.8 VR Nikkor | 85/1.4 Rokinon | 50/1.8 AIS Nikkor | 55/2.8 1:1 Vivitar Macro | Kenko 1.4X TC
Support Bogen 3221 w/ Markins M20 & RRS B2 LR II| Bogen 681B Monopod/Gtai Ballhead | Induro C014 CF/Gtai Ballhead | Nodal Ninja 180 Pano Head
Software Adobe Lightroom | Adobe Photoshop CS | Nikon Capture NX | Photomatix HDR
Lighting (2) Nikon SB-800 | (4) Sunpak 422/433 | (2) Lester Dine Ringlights

#6 DigitalDarrell

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Posted 29 October 2007 - 01:57 PM

Impressive review ... Mr. Mule! Now I want one....
Best regards,
Darrell Young (Digital Darrell)
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#7 Dave Whiteley

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Posted 29 October 2007 - 03:19 PM

Funny you should come up with teleconverters mule as I was looking at them yesterday on the Internet. I gather some of Nikon's latest teleconverters do not work with their older "D" type "screwdriver drive" lenses, only those with a motor in the lens. I found this link to reviews of their teleconverters both new and old:-

http://www.nikonlink...econverters.htm

It also has a review on the Kenko/Tamron Pro teleconverter.

Dave Whiteley
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#8 JGVilla

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Posted 04 November 2007 - 10:27 AM

my current Kenko TC is great but lacks support for VR optical operation.

Hello Mule,

I also have the Kenko 1.4x Teleplus Pro 300 N-AFd teleconverter and your statement above got me wondering (and checking).
According to my observations with the Kenko 1.4 mounted on my Nikon AF-S Micro Nikkor 105mm F/2.8 G ED VR, the VR works normally as far as I can observe.

Test condition:
Lens + Kenko mounted on D2X. AF switch off. VR on: sound of VR working. VR off: no sound of VR.
Also the Kenko 1.4 reports correctly new focal length as 150mm and new minimum f-stop as 4.0
(this is not the case with AF-D lenses).

Actually the behavior of the Kenko 1.4 is exactly the same as the Nikon 1.4 E II (also checked, except not possible to mount on AF-D lens). :)

Hope you find the info useful.

-Jan-

Edited by JGVilla, 04 November 2007 - 11:50 AM.


#9 Neil Rothschild

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Posted 04 November 2007 - 11:00 AM

One advantage of the Kenko TC's is that, as I understand it, they fit virtually any lens. The Nikkors tend to require "deep throat" teles that can accommodate the protrusion that needs to fit inside the lens side mount. For example, I have a 200/f Ai and all 3 TCe converters, a TC-301 (2x for mf) and a TC14B (1.4x for mf), yet none of these converters can be used on that lens. Even if I filed down the mounts of the e converters it would not for down the throat of the lens. With a collection of 5 Nikkor converters, I could find a use for that Kenko :blink:. If I had some long fast MF glass that didn;t take my Nikkors it would make that even more compelling. Note that I said "virtually". Some lenses, especially wide angle lenses, have rear elements that protrude from the the mount. Before connecting any TC clearances should be carefully considered, at all combinations of focusing distance and zoom settings. Otherwise you can end up with glass on glass, grinding away or breaking. Neil

#10 mule_patterson

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Posted 04 November 2007 - 07:23 PM

Nikon has made it clear that certain TCs they make are 'purpose built' for certain premo teles - they don't even cover their own lineup completely much less cater to slower consumer optics. Kenko's does not support VR, though, and I'd not see much sense in adding a TC to a slow consumer lens unless used in ideal sunlit circumstances - too small an aperture for top AF or ISO speeds. I love the Kenko - excellent image quality on my short zooms and macro 50mm. Even does well with a superwide. Mule
Brian "Mule" Patterson
Knoxville, Tennessee USA
www.brianrpatterson.com

DSLRs Nikon D300 w/ MB-D10 | Nikon D40
DX Optics 10.5/2.8 DX Fisheye | 16-85/3.5-5.6 VR DX Nikkor
FX Optics 14-24/2.8 Nikkor | 24-120/3.5-5.6 VR Nikkor | 70-200/2.8 VR Nikkor | 85/1.4 Rokinon | 50/1.8 AIS Nikkor | 55/2.8 1:1 Vivitar Macro | Kenko 1.4X TC
Support Bogen 3221 w/ Markins M20 & RRS B2 LR II| Bogen 681B Monopod/Gtai Ballhead | Induro C014 CF/Gtai Ballhead | Nodal Ninja 180 Pano Head
Software Adobe Lightroom | Adobe Photoshop CS | Nikon Capture NX | Photomatix HDR
Lighting (2) Nikon SB-800 | (4) Sunpak 422/433 | (2) Lester Dine Ringlights




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