[Konvas] OCT18 and Canon 7D

[Light Collision]

Yeah, the mirror stays up when in video mode but the camera drops the mirror when it powers off, so you need to be careful. If the lens sticks too far in, even if the mirror is up, unless you are changing lens with the camera turned on, which I would not recommend because the sensor becomes a dust and felt magnetic, the mirror would still hit the lens when you turn the camera off to change lenses. 

--- On Thu, 11/12/09, Adam Frey <thefirstrule at chainsawlinux.com> wrote:


From: Adam Frey <thefirstrule at chainsawlinux.com>
Subject: Re: [Konvas] OCT18 and Canon 7D
To: "Konvas Discussion List" <cinema at konvas.org>
Date: Thursday, November 12, 2009, 2:08 PM


Light Collision wrote:
> The problem I see is that OCT-18 lenses have very long backs and it
> seems most of them would not fit a 7D.

I'll see if I get a chance to play around with it a little today or tomorrow to see what works. I think the biggest issue right now is getting around the OCT18 "hook" (peg?) that holds the lens in place (not allowing it to turn side to side) while adjusting focus.

Longer lenses shouldn't have as much of an issue. The shorter ones might, but if the mirror is up, then they can seat back in a little ways farther without worry. The big thing about the mirror is that it is for the SLR part of the equation *only*. The camera switches over to the back screen when in video mode, the mirror goes up and stays up, thus the SLR can not be used.


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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