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bluezfolk

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Since: Jan 22, 2006
Posts: 57



(Msg. 1) Posted: Tue Dec 05, 2006 8:51 am
Post subject: aux lenses
Archived from groups: rec>photo>digital (more info?)

I have a Canon A95 that I'm quite happy with. For those
unfamiliar with it, the lens has a 3X zoom (35mm equiv 38-114) which is
fine most of the time. For the few times that I would use a longer
tele, it isn't worth buying a new camera. Has anyone used auxillary
tele and wide lenses on their digicams? I know that in the film days
they weren't very good, but from what I've seen on some websites the
results look pretty good. Suggestions are welcome.


Eric

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Neil Harrington

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Since: Oct 11, 2005
Posts: 686



(Msg. 2) Posted: Tue Dec 05, 2006 1:25 pm
Post subject: Re: aux lenses [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"bluezfolk" <ericreh.TakeThisOut@yahoo.com> wrote in message
news:1165337510.575658.224530@73g2000cwn.googlegroups.com...
> I have a Canon A95 that I'm quite happy with. For those
> unfamiliar with it, the lens has a 3X zoom (35mm equiv 38-114) which is
> fine most of the time. For the few times that I would use a longer
> tele, it isn't worth buying a new camera. Has anyone used auxillary
> tele and wide lenses on their digicams? I know that in the film days
> they weren't very good, but from what I've seen on some websites the
> results look pretty good. Suggestions are welcome.

I suspect that most of the cheapo brand-you-never-heard-of auxilliary lenses
you see on eBay aren't much good.

But I bought a Tiffen 0.56x Wide Converter (37mm thread) with an adapter
tube for my Canon A95, and that works fairly well. Can't remember now where
I bought it or what I paid (there are couple of places on the Web that sell
'em), but it was inexpensive enough for what it does -- provides the
equivalent of a 21mm lens at the wide end.

It's an interesting thing to play with. Wide open it's simply awful,
especially at the edges as you'd expect. Stopped down to f/5.6 or f/8 it
sharpens up considerably but still isn't something you'd want to use for
large prints. It's reasonably rectilinear, some barrel distortion but no
more than you'd expect from such a w.a. lens.

I have no experience with (or interest in) tele converters for this type of
camera, though.

Neil

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Charles

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Since: Nov 09, 2005
Posts: 116



(Msg. 3) Posted: Tue Dec 05, 2006 6:58 pm
Post subject: Re: aux lenses [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 5 Dec 2006 08:51:50 -0800, "bluezfolk" <ericreh.TakeThisOut@yahoo.com> wrote:

> I have a Canon A95 that I'm quite happy with. For those
>unfamiliar with it, the lens has a 3X zoom (35mm equiv 38-114) which is
>fine most of the time. For the few times that I would use a longer
>tele, it isn't worth buying a new camera. Has anyone used auxillary
>tele and wide lenses on their digicams? I know that in the film days
>they weren't very good, but from what I've seen on some websites the
>results look pretty good. Suggestions are welcome.
>
>
> Eric


I've used the ones made by Nikon for my Nikon 990, they are good. I
also tried some I had for a video camera, they are poor. A lot of
cheaper add-on lenses were intended for video cameras where the
optical demands are much less, avoid those.
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David Ruether

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Since: Oct 12, 2006
Posts: 29



(Msg. 4) Posted: Wed Dec 06, 2006 5:00 pm
Post subject: Re: aux lenses [Login to view extended thread Info.]
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"Charles" <ckraft RemoveThis @SPAMTRAP.west.net> wrote in message news:12qbn2llrq95mkivnhau62p4ago4dabpa3@4ax.com...
> On 5 Dec 2006 08:51:50 -0800, "bluezfolk" <ericreh RemoveThis @yahoo.com> wrote:

>> I have a Canon A95 that I'm quite happy with. For those
>>unfamiliar with it, the lens has a 3X zoom (35mm equiv 38-114) which is
>>fine most of the time. For the few times that I would use a longer
>>tele, it isn't worth buying a new camera. Has anyone used auxillary
>>tele and wide lenses on their digicams? I know that in the film days
>>they weren't very good, but from what I've seen on some websites the
>>results look pretty good. Suggestions are welcome.

> I've used the ones made by Nikon for my Nikon 990, they are good. I
> also tried some I had for a video camera, they are poor. A lot of
> cheaper add-on lenses were intended for video cameras where the
> optical demands are much less, avoid those.

"Charles" comments are good - though I would add that the
quality of the final image with the camera lens often depends more
on the quality of the *combination* (how well they work together),
making arbitrary declarations of "this is good" for the converter
nearly impossible (though better/more-expensive ones tend to
work better...). Unfortunately, you must try the converters to
find good matches, unless you are very lucky. I have shelves full
of converters for video and still cameras, and none worked well
for a Sony 707 except an Olympus .8X - sharp to the corners at
the wide end of the zoom range even at f2(!), but most are soft at
the edges and corners on the 707 even stopped down (but often
sharp on some video camcorders).
--
David Ruether
DRuether RemoveThis @twcny.rr.com
rpn1 RemoveThis @cornell.edu
http://www.ferrario.com/ruether
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