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Re: Camera Mirror Setup



On Saturday, November 25, 2017 at 6:09:05 PM UTC-5, Jim Davis wrote:
> On Saturday, November 25, 2017 at 1:19:36 PM UTC-5, ABLE1 wrote:
> > Hello all,
> >=20
> > I am curious if anyone has used a convex mirror that is focused on with=
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> > a camera from a distance to see in the opposite direction??
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> > I have a project that involves getting a view of a roof. The problem is=
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> > that the roof is the only place for the camera to be mounted and gettin=
g=20
> > the right view is a challenge. So I was wondering if a convex mirror=20
> > were mounted on a light pole and zoom in on the convex mirror would=20
> > provide the necessary view.
> >=20
> > Now I know physically and technically it is possible. What I don't know=
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> > are what are the challenges or unknown problems involved in setting thi=
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> > up.
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> > The camera distance to the convex mirror will be about 60' and I will=
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> > need at least a 60mm lens to zoom in on the mirror.
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> > Anyone here ever done this and what are the difficulties experienced??
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> > Thanks in advance for any insight.
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> > Les
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> Hi Les,
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> I haven't tried anything like that but ...... things that come to mind ar=
e:
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> reflected IR light from the camera ( or you could use another source of I=
R strategically placed)   and just regular direct or reflected sunlight, st=
reet lights, headlights and certainly ( as mentioned) at that distance vibr=
ation of any type would be magnified ..... a lot. You are also going to hav=
e to have a sizeable or "not so domed" mirror to diminish the "fisheye" eff=
ect successfully ..... if ...... at all. I don't know if those mirrors come=
 in varying size domes.=20
>=20
> Sounds like a great experiment but can you afford it if it fails?=20
>=20
> Maybe you could submit it to "MythBusters" for a trial run.=20
>=20
> A kennel of Dobermans set up on the roof might be a surer option.

You could collect RMR on doggie clean up and feeding =F0=9F=98=80


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