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My Lens Turbo :)
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PostPosted: Tue Apr 08, 2014 8:01 pm    Post subject: Reply with quote

Simonbo, can you please do me a favour and shoot some with that super Zenitar F1.7 I am really wanting to see that


PostPosted: Wed Apr 09, 2014 5:17 am    Post subject: Reply with quote

Some zenitar 50 1.7 stuff Smile











PostPosted: Wed Apr 09, 2014 8:09 am    Post subject: Reply with quote

simbon4o thanks for posting some more samples.
Curious question, do you see any manipulation on the characteristics of the lens such as bokeh and colour rendition after using the lens turbo? Eg. for your Zenitar 50/1.7, does it act differently with the lens turbo such as it's bokeh characteristics and contrast?


PostPosted: Wed Apr 09, 2014 3:13 pm    Post subject: Reply with quote

bruzzo wrote:
I have hesitated in getting one when I first saw some samples here in this forum and the results are quite mediocre. But after seeing your results simbon4o I think I'm going to get the EF mount to use my EF, m42, and Nikon lenses. Maybe an MD mount as well. Very nice results simbon4o another nice little tool to complement on your beautiful cats and models Smile.

Btw I've heard that the manufacturer has improved the quality of the lens turbo from when they first came out. Guess that's the reason why I see mediocre results from members who bought the lens turbo when they first came out.


Minolta SR (MC, MD series) models for mFT seem to have gone missing from Ebay. The only thing similar is produced by Metabones, and those seem priced for the videographer with a budget or sponsorship.

I too was hesitant at first, but after seeing some better examples on the web, I went ahead and took a risk on an M42 version. I have been pleasantly surprised by the lack of obvious distortion or CA so far, but note that it does exaggerate any imperfections of the lens.

Most assuring was the performance with a Tamron SP 17/3.5 on an E-M5.



The Mir 1V seems to like it too.



As does the Revuenon 24/4.0 Macro.



Last edited by leonAzul on Sat May 30, 2015 9:25 am; edited 1 time in total


PostPosted: Wed Apr 09, 2014 5:33 pm    Post subject: Reply with quote

bruzzo wrote:
simbon4o thanks for posting some more samples.
Curious question, do you see any manipulation on the characteristics of the lens such as bokeh and colour rendition after using the lens turbo? Eg. for your Zenitar 50/1.7, does it act differently with the lens turbo such as it's bokeh characteristics and contrast?


Well
From today I think that the turbo likes more the Pancolar Smile there is almost no change of the focal plane contrast or anything.
Pancolar MC 50 1.8


Zenitar 50 1.7


https://www.flickr.com/photos/simbon4o/
Latest frames are with pancolar and they are easily recognizable because of the swirliness.
They are full resolution if somebody decide to download them.


PostPosted: Mon Apr 14, 2014 9:33 pm    Post subject: Reply with quote

The Zenitar 50 1.7 from today Smile
DSC04938c83b by simbon4o, on Flickr


PostPosted: Sat Apr 19, 2014 7:49 pm    Post subject: Reply with quote

Well today I have tried some lenses on the turbo Smile

Samyang 85 1.4
DSC05144c83 by simbon4o, on Flickr

Nikkor 105 2.5 PreAi
DSC05266c83 by simbon4o, on Flickr

Samyang 85 1.4
DSC05387c83b by simbon4o, on Flickr

Nikkor 105 2.5 PreAi
DSC05271c83b by simbon4o, on Flickr

Vivitar 90 2.5 S1
DSC05131c83 by simbon4o, on Flickr

Tair 11A
DSC05309c83b by simbon4o, on Flickr


PostPosted: Sun Apr 20, 2014 9:58 am    Post subject: Reply with quote

Lovely example here. It had just occurred to me that I can use my M42 lenses on my minolta model with the adapter.

I think it would be easy to produce a universal mount for this product, probably cheaper than making one for everything. Like a t-mount system but at the front end rather than at the rear end.


PostPosted: Sun Apr 20, 2014 5:11 pm    Post subject: Reply with quote

Exactly! I thought that too but too late. My turner have already made mine from FD to EF and the chinese EF-K and EF-F adapters had arrived... But it is an easy task to make one adapter with interchangeable mounts.


PostPosted: Sun Apr 20, 2014 6:34 pm    Post subject: Reply with quote

Can you post some comparisons? Same lens, same subject, with and without the lens turbo? Smile


PostPosted: Sun Apr 20, 2014 7:24 pm    Post subject: Reply with quote

It only makes lenses wider(as FF does) and the contrast and corner sharpness with some lenses is worse but nothing special. I like it a lot!


PostPosted: Mon Apr 21, 2014 1:38 pm    Post subject: Reply with quote

That pic of the black cat with white background shows excellent tone in dark and light areas. Were you shooting RAW to adjust for it? If so well done!

Good to see more of these focal reducers in use.


PostPosted: Mon Apr 21, 2014 2:49 pm    Post subject: Reply with quote

I always shoot raw Smile


PostPosted: Fri Apr 25, 2014 5:26 pm    Post subject: Reply with quote

Bokina Very Happy on nex turbo

DSC05479c83b by simbon4o, on Flickr

DSC05475c83b by simbon4o, on Flickr

DSC05450c83b by simbon4o, on Flickr

DSC05432c83b by simbon4o, on Flickr


PostPosted: Mon Apr 28, 2014 5:25 pm    Post subject: Reply with quote

And now bokina with raynox 250 on lens turbo Smile. I know it is pointless but I was lazy and shooting mostly bokeh. Only from time to time when I see bugs I have used the raynox.

All macro shots are at F11

DSC08345 by simbon4o, on Flickr

DSC08343 by simbon4o, on Flickr

DSC08339 by simbon4o, on Flickr

DSC08322 by simbon4o, on Flickr

DSC08328 by simbon4o, on Flickr

and bokeh Smile

DSC08372b by simbon4o, on Flickr

DSC08363b by simbon4o, on Flickr

DSC08359b by simbon4o, on Flickr


Last edited by simbon4o on Mon Apr 28, 2014 5:47 pm; edited 1 time in total


PostPosted: Mon Apr 28, 2014 5:43 pm    Post subject: horse Reply with quote

First horse was superb.

Didn't you have a Olympus 90/2 ?


PostPosted: Mon Apr 28, 2014 6:01 pm    Post subject: Reply with quote

No but I will trade it for my bokina if somebody offer me Smile. Even will add one or more lenses Very Happy


PostPosted: Mon Apr 28, 2014 6:05 pm    Post subject: Reply with quote

you may need to add your camera as well Razz


PostPosted: Mon Apr 28, 2014 6:40 pm    Post subject: Reply with quote

listera wrote:
you may need to add your camera as well Razz

I am afraid yes Smile but it is awesome lens!


PostPosted: Wed Apr 30, 2014 1:31 am    Post subject: Reply with quote

You should be the spokesman for this lens turbo, Simbon. If everyone thought their pictures would look as good as your just by buying this piece of metal and glass, they would all buy one. Amazing shots and I love the thin focal plane. I'll be ordering mine tomorrow, will tell them you sent me!


PostPosted: Wed May 28, 2014 7:25 pm    Post subject: Reply with quote

Ahah if they could give me mine for free...

Here some latest tests with the turbo.

Zenitar 50 1.7
DSC09352 1.7cb by simbon4o, on Flickr

Pancolar 50 1.8 MC
DSC09348 1.8cb by simbon4o, on Flickr

Porst 55 1.2@2.0
DSC09346 2.0cb by simbon4o, on Flickr

There are full size images in flickr Smile.

And some shots with the porst Smile at 1.8 or 2.0

DSC09230 by simbon4o, on Flickr

DSC09271 by simbon4o, on Flickr

And 1.2 Smile
DSC08396cb by simbon4o, on Flickr


PostPosted: Tue Jun 03, 2014 8:02 pm    Post subject: Reply with quote

Some more Porst 55 1.2@2.0

DSC08986w by simbon4o, on Flickr

DSC08991w by simbon4o, on Flickr

1.8

DSC09563 by simbon4o, on Flickr

DSC09561 by simbon4o, on Flickr

DSC09678 by simbon4o, on Flickr


PostPosted: Tue Jun 03, 2014 9:45 pm    Post subject: Reply with quote

I love mine too. Best investment.


PostPosted: Tue Jun 17, 2014 3:54 pm    Post subject: Reply with quote

Hello Simbono , is this the old version of lens turbo or the new one with Square rear element??


PostPosted: Wed Jul 30, 2014 1:42 pm    Post subject: Reply with quote

Minolta 58mm f/1.2 @ f/3.4


(full res)

I'm going to need an ND filter for this combo...