Kenko extender 1.4 on a Nikon 300 f4?

J

JBuk

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Anyone got one of these?

I'm after an extender but not sure how good the kenko stuff is v Nikon


Just after some feedback on the iq mainly, I understand there will be a slight degradation with both brands but if they're both pretty good then the cheapest will be bought heh
 
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hi ive got the x2 kenko and it is pretty good and the 1.4x is said to be even better
 
Not worth the risk or money saving why buy a top lens like that and potentially compromise it
 
JBuk, i work professionally so IQ is paramount in my work, i own 2 x Nikon 1.4x convertors, a 1.7x and a 2x, all Nikon

However, i only have the Nikon 1.4x convertors because i need the weather sealing, the Kenko is every bit as good as the Nikon for IQ, its bloody superb, so much so that i just bought a used one from these forums to act as a back up while my Nikon's go in for general service work

I dont like the newer DGX version as i think its actually a bit softer, the standard kenko teleplus pro 300 DG is the one to buy and an excellent price used of around £75

Avoid the MC versions
 
Although I shoot Canon I use the kenko teleplus pro 300 DG that Gary is talking about and IQ is great.
 
I use the Canon mount Kenko Pro300 GX 1.4x converter and I've also got the Canon MkIII 2x converter. Considering the Canon was more than three times the amount of the Kenko the IQ is very similar.

I use the Canon 2x on a Canon 70-200 f2.8L IS MkII and I'm very happy with the results but I use the Kenko on nearly all the lenses in my bag and the IQ is excellent. I did try the Kenko 2x but it had a fault (wouldn't AF) so got the Canon 2x instead but the shots I got with the Kenko 2x on MF were comparable quality to the Canon.
 
I used Kenko DG PRO 300 2x. Now I upgraded all my TC to Nikon.

If I remember correctly Kenko TC's were OK from IQ perspective and more versatile than Nikon (you could put them on more lenses than Nikon as they don't need AF-S and don't have to be attached to lens with recessed back element).

On the other hand, the problem of Kenko is that the outer shell is plastic. They are slightly flexible when coupled to heavy cameras and lenses. It could even break electrical contact between the lens and the body.

I wouldn't be confident carrying the lens attached to my BlackRapid strap when using Kenko TC.

Also the Kenko converter I used didn't put correct data to EXIF.
 
Does anyone know if Kenko TCs work with sigma lenses? A scout about the net gives very mixed results from users. Some say they can play havoc with sigma lenses, where others say they work just fine.

I had a Sigma TC in my amazon basket for ages, went to check it out today only to find it cannot be sent to my address in Ireland .. d'oh - wouldn't mind one for my 150mm, even a 1.4x
 
I have the DG Gary mentions and they really good on the 300 f4 which I have
 
Thanks for all the replies

I'll give the Kenko a try as the common theme seems to be that iq is on par with the Nikon tc but for a lot less cost


tesco said:
Not worth the risk or money saving why buy a top lens like that and potentially compromise it
Click to expand...

I usually agree with that principle but the only compromise seems to be the weather sealing and the plastic build , they are not issues to me , my main concern is image quality and I think the repies in this thread have answered that question
 
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