Fisheye lenses

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Archived from groups: rec.photo.digital.slr-systems (More info?)

OK. I'm still waffling, and won't have the money for any of it for a
few weeks, but...

Sigma & Peneng 8mm fisheye lenses have their obvious advantages on a
1.5 multiple factor Pentax. The primary Peneng advantage is its under
$250 cost, ready to use. IIRC, the Sigma is spitting on $700 plus
shipping.

I have to wonder how the 15mm Sigma ($469) is going to compare to, for
example, my 16-45 Pentax lens (obviously, at the 16mm setting). The
results will be different, but will I get closer to an edge to edge
shot of, say, a dashboard from the back of the car seats.

Or should I pack in the fisheye idea and wait until I see a price on
the Tamron 11-18?

Principle use is shooting car and light truck interiors.
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

"Charlie Self" <charliediy@aol.com> wrote in message
news:1122593142.676049.133460@o13g2000cwo.googlegroups.com...
> OK. I'm still waffling, and won't have the money for any of it for a
> few weeks, but...
>
> Sigma & Peneng 8mm fisheye lenses have their obvious advantages on a
> 1.5 multiple factor Pentax. The primary Peneng advantage is its under
> $250 cost, ready to use. IIRC, the Sigma is spitting on $700 plus
> shipping.
>
> I have to wonder how the 15mm Sigma ($469) is going to compare to, for
> example, my 16-45 Pentax lens (obviously, at the 16mm setting). The
> results will be different, but will I get closer to an edge to edge
> shot of, say, a dashboard from the back of the car seats.
>
> Or should I pack in the fisheye idea and wait until I see a price on
> the Tamron 11-18?
>
The Tamron 11~18mm sells for CDN $780, in Ottawa, Canada. I expect Pentax
AF mount versions in a few weeks I have the Nikon and Canon one now.
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

Charlie Self wrote:


>
> Principle use is shooting car and light truck interiors.

If you are looking for a "realistic" showing, I'm not sure a fisheye is what
you're looking for. On natural subjects they can work well but on man made
subjects with lots of straight lines, they show typical fisheye distortion
which probably isn't what you're wanting.

--

Stacey
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

Darrell wrote:
> "Charlie Self" <charliediy@aol.com> wrote in message
> news:1122593142.676049.133460@o13g2000cwo.googlegroups.com...
> > OK. I'm still waffling, and won't have the money for any of it for a
> > few weeks, but...
> >
> > Sigma & Peneng 8mm fisheye lenses have their obvious advantages on a
> > 1.5 multiple factor Pentax. The primary Peneng advantage is its under
> > $250 cost, ready to use. IIRC, the Sigma is spitting on $700 plus
> > shipping.
> >
> > I have to wonder how the 15mm Sigma ($469) is going to compare to, for
> > example, my 16-45 Pentax lens (obviously, at the 16mm setting). The
> > results will be different, but will I get closer to an edge to edge
> > shot of, say, a dashboard from the back of the car seats.
> >
> > Or should I pack in the fisheye idea and wait until I see a price on
> > the Tamron 11-18?
> >
> The Tamron 11~18mm sells for CDN $780, in Ottawa, Canada. I expect Pentax
> AF mount versions in a few weeks I have the Nikon and Canon one now.

I see Porter's has the Tamron 11-18 for $579, USD. No Pentax mount yet,
though, which is probably just as well. I've got a small book advance
coming that will loosen things up enough to cover that.
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

Stacey <fotocord@yahoo.com> wrote:

> If you are looking for a "realistic" showing, I'm not sure a fisheye is what
> you're looking for. On natural subjects they can work well but on man made
> subjects with lots of straight lines, they show typical fisheye distortion
> which probably isn't what you're wanting.

Well, when you're shooting a car interior you're going to have to choose
between fisheye distortion and rectilinear super-wide corner distortion,
since you can't get around having things close to the camera. So it's
really down to which of the two you find more objectionable -- perhaps
balanced by the fact that a fisheye will be cheaper than an ultra-wide
rectilinear lens.

--
Jeremy | jeremy@exit109.com
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

Charlie Self wrote:

>
> Sigma & Peneng 8mm fisheye lenses have their obvious advantages on a
> 1.5 multiple factor Pentax.

An 8mm fisheye won't cover the DX format. However, you can add a 1.4x
teleconverter to get an 11.2mm lens that will cover the format and
provide a useful FOV increase over the more usual 15/16mm fisheyes.

Brian
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

Jeremy Nixon <jeremy@exit109.com> wrote:

>Stacey <fotocord@yahoo.com> wrote:
>
>> If you are looking for a "realistic" showing, I'm not sure a fisheye is what
>> you're looking for. On natural subjects they can work well but on man made
>> subjects with lots of straight lines, they show typical fisheye distortion
>> which probably isn't what you're wanting.
>
>Well, when you're shooting a car interior you're going to have to choose
>between fisheye distortion and rectilinear super-wide corner distortion,
>since you can't get around having things close to the camera. So it's
>really down to which of the two you find more objectionable -- perhaps
>balanced by the fact that a fisheye will be cheaper than an ultra-wide
>rectilinear lens.


I agree about the rectilinear super-wide corner distortion. I use
12mm and 15mm ultra-wide angle lenses on 35mm and would not consider
using them in a vehicle interior for precisely that reason.

A good choice here would be the 15mm or 16mm fisheyes, designed to
fill the frame on 35mm film. While there will still be fisheye
distortion, it will be much less pronounced than the distortion
produced by an 8mm fisheye, which won't even cover the full frame of a
Pentax *ist D(S) - or that of any other APS-sized sensor.
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

"Charlie Self" <charliediy@aol.com> wrote in message
news:1122628771.524303.250200@f14g2000cwb.googlegroups.com...
>
> Darrell wrote:
>> "Charlie Self" <charliediy@aol.com> wrote in message
>> news:1122593142.676049.133460@o13g2000cwo.googlegroups.com...
>> > OK. I'm still waffling, and won't have the money for any of it for a
>> > few weeks, but...
>> >
>> > Sigma & Peneng 8mm fisheye lenses have their obvious advantages on a
>> > 1.5 multiple factor Pentax. The primary Peneng advantage is its under
>> > $250 cost, ready to use. IIRC, the Sigma is spitting on $700 plus
>> > shipping.
>> >
>> > I have to wonder how the 15mm Sigma ($469) is going to compare to, for
>> > example, my 16-45 Pentax lens (obviously, at the 16mm setting). The
>> > results will be different, but will I get closer to an edge to edge
>> > shot of, say, a dashboard from the back of the car seats.
>> >
>> > Or should I pack in the fisheye idea and wait until I see a price on
>> > the Tamron 11-18?
>> >
>> The Tamron 11~18mm sells for CDN $780, in Ottawa, Canada. I expect
>> Pentax
>> AF mount versions in a few weeks I have the Nikon and Canon one now.
>
> I see Porter's has the Tamron 11-18 for $579, USD. No Pentax mount yet,
> though, which is probably just as well. I've got a small book advance
> coming that will loosen things up enough to cover that.
>
Pentax will start shipping their own DA 12~24mm f:4 ED in October 2005.
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

Darrell wrote:
> "Charlie Self" <charliediy@aol.com> wrote in message
> news:1122628771.524303.250200@f14g2000cwb.googlegroups.com...
> >
> > Darrell wrote:
> >> "Charlie Self" <charliediy@aol.com> wrote in message
> >> news:1122593142.676049.133460@o13g2000cwo.googlegroups.com...
> >> > OK. I'm still waffling, and won't have the money for any of it for a
> >> > few weeks, but...
> >> >
> >> > Sigma & Peneng 8mm fisheye lenses have their obvious advantages on a
> >> > 1.5 multiple factor Pentax. The primary Peneng advantage is its under
> >> > $250 cost, ready to use. IIRC, the Sigma is spitting on $700 plus
> >> > shipping.
> >> >
> >> > I have to wonder how the 15mm Sigma ($469) is going to compare to, for
> >> > example, my 16-45 Pentax lens (obviously, at the 16mm setting). The
> >> > results will be different, but will I get closer to an edge to edge
> >> > shot of, say, a dashboard from the back of the car seats.
> >> >
> >> > Or should I pack in the fisheye idea and wait until I see a price on
> >> > the Tamron 11-18?
> >> >
> >> The Tamron 11~18mm sells for CDN $780, in Ottawa, Canada. I expect
> >> Pentax
> >> AF mount versions in a few weeks I have the Nikon and Canon one now.
> >
> > I see Porter's has the Tamron 11-18 for $579, USD. No Pentax mount yet,
> > though, which is probably just as well. I've got a small book advance
> > coming that will loosen things up enough to cover that.
> >
> Pentax will start shipping their own DA 12~24mm f:4 ED in October 2005.

Any idea of price? I notice that Sigma often is as high as, or higher
than, Pentax OEM lenses.
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

On 30 Jul 2005 02:10:48 -0700, "Charlie Self" <charliediy@aol.com>
wrote:

>
>Darrell wrote:
>> "Charlie Self" <charliediy@aol.com> wrote in message
>> news:1122628771.524303.250200@f14g2000cwb.googlegroups.com...
>> >
>> > Darrell wrote:

>> Pentax will start shipping their own DA 12~24mm f:4 ED in October 2005.
>
>Any idea of price? I notice that Sigma often is as high as, or higher
>than, Pentax OEM lenses.


Can anyone comment on the older 8 mm Nikon fisheye lenses that you see
sometimes on ebay?

Kodak
 
Archived from groups: rec.photo.digital.slr-systems (More info?)

Father Kodak <dont_bother@IDontCare.COM> wrote:

> Can anyone comment on the older 8 mm Nikon fisheye lenses that you see
> sometimes on ebay?

The 8mm f/8 fisheye required the mirror to be locked up in order to mount
the lens; it cannot be used on any of the DSLRs. The 8mm f/2.8 is
apparently an okay lens. Nikon actually makes a fisheye lens for the
cropped-sensor DSLRs, though, so why bother?

--
Jeremy | jeremy@exit109.com
 
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