[Konvas] 500mm Mirror lenses...

[olivier auverlau]

i use it many times on my DOF adaptor ...
full frame 35mm SLR nikon format , like effect used on Motion picture, and 
the blur rings ....
you can see exemple of use on my DOF reel on vimeo ,

Olivier ,
will USE IT soon on my Canon 7D ...



----- Original Message ----- 
From: "Adam Frey" <thefirstrule at chainsawlinux.com>
To: "Konvas Discussion List" <cinema at konvas.org>
Sent: Sunday, November 08, 2009 7:40 PM
Subject: [Konvas] Mirror lenses...


> Let's talk about mirror lenses. I've never owned one; well at least for 
> any of my cameras. But I do own a telescope that uses a mirror lens. That 
> said, I see them on Amazon and ebay quite often. Usually 500mm and up. 
> Given, they don't seem like they are able to adjust the f-stop, but most 
> of them are at least f6.3 to f8 like this one:
> http://www.amazon.com/s/ref=nb_ss?url=search-alias%3Dphoto&field-keywords=mirror+lens
>
> Now, in my telescope, it flips the image 180 degrees. In other telescopes 
> I've used, it flips the image something like 270 degrees or something 
> (can't remember exactly).
>
> So, my question is:
> 1) Anyone used them for Motion Picture work?
> 2) is the image warped in any way?
> 3) is the image flipped?
> 4) is getting a mirror lens worth it, or are they cheaply constructed?
> 5) did the LOMO factory build any mirror lenses?
>
> With the last one, I don't remember seeing any LOMO mirror lenses, but has 
> anyone else seen one?
>
>
> Cheers,
>
> Adam Frey
> Director/Cinematographer
> Crimson Chain Productions
> http://crimsonchainproductions.com
> Cell: 301-639-7146
>
> Crimson Chain Productions
> PO Box 35
> Libertytown, MD 21762
>
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