Ebay extension tubes? worth it?

Looking to try my hand at Macro photography and before I spend a lot of money on more equipment, I thought that maybe I would purchase this first.....http://cgi.ebay.com …ories?hash=item​19b2473426

Does anyone have any experience using the "off" brand extension tubes as opposed to the Kenko ones?

Feedback is greatly appreciated.

umm... well... it's only $9, why don't you be the first one to try and report the results =P

Mr. Bill,
In my opinion, not worth it because you don't have control over the lens aperture. You can set your aperture ex. f/8 with lens mounted to camera then when the DOF preview button is pressed take the lens off the camera and then mount it to the tubes. However now that the lens set at f/8 it lets in much less light, getting the subject in focus is much much harder.

But like themadman said: umm.. well... it's only $9, why not try (I personally wouldn't)

John_B wrote in post #9330834
Mr. Bill,
In my opinion, not worth it because you don't have control over the lens aperture. You can set your aperture ex. f/8 with lens mounted to camera then when the DOF preview button is pressed take the lens off the camera and then mount it to the tubes. However now that the lens set at f/8 it lets in much less light, getting the subject in focus is much much harder.

But like themadman said: umm.. well... it's only $9, why not try (I personally wouldn't)

Ah, good point... I would just get the Kenko ones =)... o wait... I have them... so I did get them =P

No AF feedback and no aperture control

Loss of aperture control would suck, af, whatever =P

AF confirm is cool, move body, once it beeps => click

Ahhh, I misread it, my bad =P AF confirm is cool =)

Hi
I was wondering about those
http://cgi.ebay.co.uk …ss_RL?hash=item​2a03a7c05a
AF extension tubes and cheap.

Yes but you can't control aperture with those. unless you use old lens with aperture ring you need full automatic extension tubes.

Oh but you can with the Kenko and with the Canon right?

Yes

Imo, either go real cheap (ie the ones in your fist post) or get the kenko ones.

I have both sets myself, having bought the cheapies a while ago. The worst thing about them is that they dont click firmly into the lens mount and will rotate, I do worry a bit about my lens mount if I use them.

The cheapies will give you a taste of macro, but are a pain in the ass to use. If you're in any way serious, or concerned about quality, get the kenkos.

I stay confused as usual but can't you still make aperture changes manually with these tubes in place?

dick

this last one only have AF confirm contacts, not capable of transmitting aperture changes. (much like an MF lens adapter with AF chip).

If you want to control aperture you need full automatic tubes (+100$).