teleplus 2x teleconverter


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poohbear

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anyone wanna comment on the above ?? thinking of getting one ... will it work well with nikon D70
 

mpenza

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2x generally don't work too well and you lose two stops of light. if you want a tele, get a 1.4x one (and maybe crop with software).
 

justarius

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What lens are you going to use it on? Wide-normal focal length lenses don't usually cope well with a teleconvertor as manufacturers normally optimise the teleconvertor for the longer focal lengths.

The Teleplus Pro 300 series are excellent teleconvertors however, and a good option for people wanting to extend the reach of their non-AFS lenses (nikon's own teleconvertors can only be mounted on AFS lenses.)
 

V

vince123123

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#9
I was always wondering this abt teleconvertors. is it better to use a teleconvertor or to simply crop with software? teleconvertor degrades image quality but you crop software maybe not enuff pixels left to print....is there any guide to follow as to when to use which?

or simply use a compromise like mpenza's suggestion? one up one down

mpenza said:
2x generally don't work too well and you lose two stops of light. if you want a tele, get a 1.4x one (and maybe crop with software).
 

smallaperture

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Using the Kenko Pro300 1.4x, an F2.8 lens gives me an aperture reading of F2.8. Becos the metering is TTL, so no problem with exposure.

If cropping were to be better than say a 1.4x TC, then no one would have been using TC, and no one would be selling them either, especially with a 1 stop penalty too.
 

justarius

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smallaperture said:
Using the Kenko Pro300 1.4x, an F2.8 lens gives me an aperture reading of F2.8. Becos the metering is TTL, so no problem with exposure.

If cropping were to be better than say a 1.4x TC, then no one would have been using TC, and no one would be selling them either, especially with a 1 stop penalty too.
Only Nikon's own TCs report back the correct effective aperture, ie f2.8 becomes f4 with a TC14E. All other 3rd party TC's cannot interface properly with Nikon lenses to enable the camera to read the effective aperture. This isn't a problem however as TTL metering solves everything.

And whether you lose AF depends on the lens and camera you are using as well as the subject you are shooting. Rough guide is f8 to maintain AF. So a f4 lens + 2X TC means you can still depend on marginal AF.
 

smallaperture

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justarius said:
And whether you lose AF depends on the lens and camera you are using as well as the subject you are shooting. Rough guide is f8 to maintain AF. So a f4 lens + 2X TC means you can still depend on marginal AF.
Marginal AF will also mean painfully slow AF to the extent of frustration, and often missing a great shot and end up the lens hunting very often, draining the battery.
 

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