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Go Back   Olympus UK E-System User Group > Cameras, lenses and system accessories > Lens focus > Converters, adapters and extension tubes

Converters, adapters and extension tubes All those lens accessories that get in between the lens and the camera.

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  #16  
Old 28th October 2013
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Re: 4/3 to m4/3 shift adapter

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Originally Posted by bilbo View Post
Isn't managing perspective in PP an easier solution?

Or am I missing something here? (I wouldn't be surprised if I am... )

Hi there Brian!

I've tried managing perspective using photoshop elements 11 but I often find that when all the verticals are straight the top of the image seems to be progressively more squashed - and I don't know how to address that. Also you have the issue of reduced definition at the top of the image as it has had to be stretched to match the rest of the picture (sometimes makes a difference, such as with the birds at the top of the Liver building or the weathercock at the top of New Brighton light house). Fine details which can make the picture become fuzzy.

Hi there Melaka!

I'd love to make you an offer for your shift lens, but having been following them on E**y for a long time I know just how much it is worth, which is far more than my budget for photography at the moment! Also I'd still run into the focal length issues as 70mm equivalent would be too long for many of the pictures I'd like to take.

Hi there Peak 4 / David M!

I hadn't really thought about the extra wide angles - obviously the bulging lens and the issues of vignetting would stop the use of a filter on the front. I hadn't realised that the OM 350mm didn't have drop in filters though - I'd have thought that a very high spec lens like that would have some means of adding filters to it. Just looking at my MMF-2 copy it seems that the contact blocks will make it difficult to fit a standard round filter - maybe the filters would have to be custom cut to shape, which would mean no adjustable polarising filters. It may be possible to cut a slot into the body to take rectangular filters (cut slivers of a cokin?) but whether you would then get issues of light entering through the end of the filters I couldn't say. It is also possible that some heavy modification might allow a filter of maybe 32mm to be fitted as a drop in solution, but that would require a serious amount of machining in the adapter (being careful to allow enough space around the contacts!) You've got me thinking now!

Thanks for everyone's input into the thread - I'm getting more and more tempted to start making stuff now!

Cheers,

Ralph.
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  #17  
Old 28th October 2013
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Re: 4/3 to m4/3 shift adapter

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Originally Posted by Ralph Harwood View Post

Hi there Melaka!

I'd love to make you an offer for your shift lens, but having been following them on E**y for a long time I know just how much it is worth, which is far more than my budget for photography at the moment! Also I'd still run into the focal length issues as 70mm equivalent would be too long for many of the pictures I'd like to take.

Cheers,

Ralph.
You could always try!
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  #18  
Old 28th October 2013
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Re: 4/3 to m4/3 shift adapter

The 350mm does have drop in filters but they're a slim 46mm which were hard to source when the lens was current. And I was thinking of a 10 stop ND filter which was probably never made in a size for the 350. It would solve the problem of light leakage found using a 10 stop slide in filter in a holder.
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  #19  
Old 29th October 2013
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Re: 4/3 to m4/3 shift adapter

Hi there Melaka!

I'm hoping to make my shift adapter for less than 50 - I wouldn't insult you by offering that for your lens! Since I will be getting a micro 4/3 camera in a few days there are a few more lenses higher up my want list to spend much more than that on the project.

Hi there David M!

I have to ask - when would you need a 10 stop ND filter on such a long lens?

Cheers,

Ralph.
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  #20  
Old 29th October 2013
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Re: 4/3 to m4/3 shift adapter

Because I use it for landscapes as well as wildlife and living between Lake Huron and Georgian Bay a lot of my landscapes feature water.
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  #21  
Old 29th October 2013
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Re: 4/3 to m4/3 shift adapter

Hi there David!

I would never have thought about using such a long lens for landscape photography - I usually use my 14-54 (for which I have got a 10 stop ND). I'll have to take a long lens with me as well next time (I've got a bit of sea near me too!)

Cheers,

Ralph.
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  #22  
Old 29th October 2013
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Re: 4/3 to m4/3 shift adapter

One of the most popular landscapes on my web site was taken on 35mm with a 600mm lens.
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  #23  
Old 29th October 2013
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Re: 4/3 to m4/3 shift adapter

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One of the most popular landscapes on my web site was taken on 35mm with a 600mm lens.
Hi there David!

This is why I come to this forum - there's so much to learn! How do you get on with depth of field with such a long lens? And also don't you get a problem with the depth of images (near and far parts of the image seeming close) - or is that the purpose of the long lens?

I couldn't find a link to your website, but I'd love to see the image!

Cheers,

Ralph.
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  #24  
Old 29th October 2013
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Re: 4/3 to m4/3 shift adapter



I shut my web site down a few years ago. I got tired of dealing with people expecting me to give my work away. The above shot was taken with a 300mm plus 2x despite having a 600mm in my backpack. The wind was so strong the 600mm was vibrating to much to get a sharp image.
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  #25  
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Re: 4/3 to m4/3 shift adapter

Thanks David, a stunning image!

I wouldn't have thought it was taken with such a long lens as the depth of field seems to cover the whole scene, and I always thought that the depth of field of such a long lens wouldn't have been so deep.

Cheers,

Ralph.
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  #26  
Old 30th October 2013
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Re: 4/3 to m4/3 shift adapter



Taken with the 350mm plus 1.4x at f16 or f22 on Velvia rated at 40 ISO. The type of shot an ND would be useful for given the base ISO of digital cameras and the need to avoid diffraction.
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