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  #1  
Old 27th December 2014
KeithL KeithL is offline
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Macro converter

I have acquired a new toy. I bought an Opteka 10x macro converter lens with a 58 mm thread. My intention is to use it with a 40-150 when I get my hands on it (NOT the pro version...)

I tried it with my 75-300, and the results were interesting; very sharp, and it focused about 5 inches (120mm) from the subject. But, so close, I had to hand-hold it, and that was DIFFICULT. Zooming from 75 to 300, the focusing distance didn't change, just the magnification.

Now this suggests that the 40-150 will be good with it. That's on order. When it comes, I'll post something more about it, and maybe an image or two. For 15, this converter looks to be good value. Add to that a 40-150, and it's a cheap macro lens with a fair bit of power. It's actually intended to go onto a Canon or Nikon kit lens (18-55) but that doesn't matter one iota if it works OK. I like macro photography occasionally, but not often enough to pay hundreds for a macro prime.
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Old 27th December 2014
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David Morison David Morison is offline
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Re: Macro converter

I have used these on a variety of lenses for several years now and I rate them highly. I now use one on my Tamron m43 14-150mm and my Canon 18-55mm with great success. I have the m43 60mm macro but it doesn't suit me as much as using the Opteka, a lot easier to fit and it gives startling results. It causes vignetting at focal lengths less tha 20mm and doesn't work well at above 70mm but otherwise is an ideal macro attachment.

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Old 27th December 2014
KeithL KeithL is offline
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Re: Macro converter

Thanks David, nice to know. I've ordered a 46-58 adaptor ring too, so I can use it with my 25/1.8. Should be useful with that. Can't go smaller than 46 though, which is a shame. But then, I probably don't need to!

I used to have a Canon 100/2.8 macro lens. Lovely lens, but I hardly ever used it, so I decided to part with it. (And I'm going to flog my Canon kit in the spring anyway) If you don't use a lens, it's just an expensive paperweight, isn't it? Hence the attraction of the Opteka converter lens. I probably should have gone for the 14-150 Tamron by the sound of it; but the 40-150 is on order, and it's a sensible price, so I'm sure it'll do.

Opteka have come on greatly in recent years, haven't they? I have one of their slide copiers which I bought about 10 years ago. But I'll bet what they do now is much better.

It would be interesting to try their 650-1300 manual zoom tele. It'd be fun trying to hand-hold that, though, eh?
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Old 27th December 2014
Harold Gough Harold Gough is offline
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Re: Macro converter

I don't know this make but I use achromat supplementaries with high quality macro lenses and the results can be excellent. The longer the focal length of the lens to which it is attached, the greater the magnification. (A waste of time on standard and wide-angle lenses).

Harold
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Old 28th December 2014
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Re: Macro converter

Keith I very often use a Sigma double element achromatic macro lens/filter on my m40-150mm R lens as it gives me more distance from the subject than the 60mm macro

This was taken using that combo and a E-PL3.

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Old 28th December 2014
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Re: Macro converter

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Originally Posted by OlyPaul View Post
Keith I very often use a Sigma double element achromatic macro lens/filter on my m40-150mm R lens as it gives me more distance from the subject than the 60mm macro

This was taken using that combo and a E-PL3.

That's nice, Paul. Yes, I know that standard focal length macros are generally useless - especially for shots of e.g. dragonflies. If you get closer than say 15 or 16 inches, they're off like a shot! I found the Canon 100/2.8 (=160 on 35mm) excellent for taking dragonfly shots. Here's one that I took with it several years ago:
[IMG][/IMG]

You can see the pellet of the exo-skeleton of its last meal that it has spat out. Looks like he's smiling, doesn't he?
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Old 28th December 2014
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Re: Macro converter

Some I took this morning with the Tamron 14-150mm plus Opteka 10x, DOF is a serious issue at these magnifications so using a shorter focal length can help with these static objects. Perhaps not Dragonflies though but then you don't really need a macro lens for those.







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Old 28th December 2014
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Re: Macro converter

Quote:
Originally Posted by David Morison View Post
Some I took this morning with the Tamron 14-150mm plus Opteka 10x, DOF is a serious issue at these magnifications so using a shorter focal length can help with these static objects. Perhaps not Dragonflies though but then you don't really need a macro lens for those.
David
Hi David
Very impressive! The Opteka lens is great value, isn't it? I did/do prefer to use a macro lens for dragonflies, but a longish one, so that I don't have to get too close. I'm well aware of DoF being a problem; you can see in the image I posted that it isn't enough (though may not matter in a subject where it's the fly's head that's important). I guess that DoF will be better with m4/3 lenses though than with APS-C ones. I've ordered a 46-58 adaptor ring; that will allow the use of the 25/1.8; it will be interesting to see what that does. Here's one of a dragonfly that definitely didn't need macro:
[IMG][/IMG]

That was with the Canon 100-400L at the 400 end. Not the easiest of captures, but I enjoyed doing it!
Chrs
Keith
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Old 29th December 2014
Harold Gough Harold Gough is offline
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Re: Macro converter

Quote:
Originally Posted by Harold Gough View Post
I don't know this make but I use achromat supplementaries with high quality macro lenses and the results can be excellent. The longer the focal length of the lens to which it is attached, the greater the magnification. (A waste of time on standard and wide-angle lenses).

Harold
I received mine this morning. I have just sent my usual macro lens for repair so I tried it on my Leica 60mm macro. To my surprise, at maximum magnification it halved the field of view i.e. increased the magnification from 1:2 to 1:1.

Looking through it, the results should be very good. I must compare it with my Marumi achromats and my Raynox Apo. If it compares with them it will be a bargain at the price I paid (14.85 on Amazon).

Harold
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Old 9th January 2015
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Re: Macro converter

I use a Raynox DCR 250

This was taken with a 40-150 lens

Hover-fly by alf.branch, on Flickr
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Old 9th January 2015
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Re: Macro converter

Stunning detail there Alf.
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Old 9th January 2015
KeithL KeithL is offline
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Re: Macro converter

The 40-150 seems to be the perfect candidate for an add-on macro converter. And the 58mm Opteka fits straight onto it. When I have some spare time I'll see what I can do and post it on here.
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