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Rokinon Fisheye 8mm for Nikon DSLR etc



 
 
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  #1  
Old October 23rd 12, 07:55 PM posted to rec.photo.digital.slr-systems
Michael[_6_]
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Posts: 313
Default Rokinon Fisheye 8mm for Nikon DSLR etc

I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
reviews look good and it is much less expensive than Nikon's 10mm
f/2.8. B&H sells it for $299 without the focus confirm chip and $329
with the focus confirm chip.

Does anyone have any experience with this lens?

--
Michael

  #2  
Old October 23rd 12, 10:22 PM posted to rec.photo.digital.slr-systems
Rob
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Posts: 236
Default Rokinon Fisheye 8mm for Nikon DSLR etc

On 24/10/2012 5:55 AM, Michael wrote:
I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
reviews look good and it is much less expensive than Nikon's 10mm f/2.8.
B&H sells it for $299 without the focus confirm chip and $329 with the
focus confirm chip.

Does anyone have any experience with this lens?



When you use one of these lenses you don't need and focus confirmation.

It will pull just about everything into focus.



  #3  
Old October 23rd 12, 10:52 PM posted to rec.photo.digital.slr-systems
Michael[_6_]
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Posts: 313
Default Rokinon Fisheye 8mm for Nikon DSLR etc

On 2012-10-23 21:22:16 +0000, Rob said:

On 24/10/2012 5:55 AM, Michael wrote:
I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
reviews look good and it is much less expensive than Nikon's 10mm f/2.8.
B&H sells it for $299 without the focus confirm chip and $329 with the
focus confirm chip.

Does anyone have any experience with this lens?



When you use one of these lenses you don't need and focus confirmation.

It will pull just about everything into focus.


Some of the reviews imply (and I don't know wny) that the autoexposure
works better with the chip involved. I cannot understand why that
should be, though.
--
Michael

  #4  
Old October 24th 12, 12:06 AM posted to rec.photo.digital.slr-systems
Me
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Posts: 241
Default Rokinon Fisheye 8mm for Nikon DSLR etc

On 24/10/2012 10:52 a.m., Michael wrote:
On 2012-10-23 21:22:16 +0000, Rob said:

On 24/10/2012 5:55 AM, Michael wrote:
I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
reviews look good and it is much less expensive than Nikon's 10mm f/2.8.
B&H sells it for $299 without the focus confirm chip and $329 with the
focus confirm chip.

Does anyone have any experience with this lens?



When you use one of these lenses you don't need and focus confirmation.

It will pull just about everything into focus.


Some of the reviews imply (and I don't know wny) that the autoexposure
works better with the chip involved. I cannot understand why that should
be, though.

I suspect it's a typo / error in description.
Focus confirmation in Nikon bodies doesn't require a chip in the lens.
For AE to function on some Nikon bodies (below D7000 in present
lineup?), a chip is required to communicate the maximum aperture of the
lens to the body. Higher end bodies have a rotating ring with a lug,
coupling the aperture ring on the lens to the body.
Without the chip, metering won't work on a D5000.
  #5  
Old October 24th 12, 05:33 AM posted to rec.photo.digital.slr-systems
Michael[_6_]
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Posts: 313
Default Rokinon Fisheye 8mm for Nikon DSLR etc

On 2012-10-23 23:06:52 +0000, Me said:

On 24/10/2012 10:52 a.m., Michael wrote:
On 2012-10-23 21:22:16 +0000, Rob said:

On 24/10/2012 5:55 AM, Michael wrote:
I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
reviews look good and it is much less expensive than Nikon's 10mm f/2.8.
B&H sells it for $299 without the focus confirm chip and $329 with the
focus confirm chip.

Does anyone have any experience with this lens?



When you use one of these lenses you don't need and focus confirmation.

It will pull just about everything into focus.


Some of the reviews imply (and I don't know wny) that the autoexposure
works better with the chip involved. I cannot understand why that should
be, though.

I suspect it's a typo / error in description.
Focus confirmation in Nikon bodies doesn't require a chip in the lens.
For AE to function on some Nikon bodies (below D7000 in present
lineup?), a chip is required to communicate the maximum aperture of the
lens to the body. Higher end bodies have a rotating ring with a lug,
coupling the aperture ring on the lens to the body.
Without the chip, metering won't work on a D5000.


Thank you. That answers the question regarding which version of the
lens I need. I still would appreciate a hands on review of it, if
anyone has it. Interesting about the rotating ring and lug. That sounds
a lot like what Nikon used 45 years ago with the Nikon F to set the
maximum aperture on the Photomic FTN metering heads. All the old NIkkor
lenses (I have them for my vintage F which has only the nonmetering
prism) have those lugs, which serve no purpose on the fully manual
version of the F. Also, the 5000 is one of the few Nikon DSLRs that can
accept unmodified non-AI F-mount lenses from the old Nikon F days. It
requires full manual exposure mode, of course. But the lenses do mount
and do focus and do take good pictures.
--
Michael

  #6  
Old October 24th 12, 06:46 AM posted to rec.photo.digital.slr-systems
Me
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Posts: 241
Default Rokinon Fisheye 8mm for Nikon DSLR etc

On 24/10/2012 5:33 p.m., Michael wrote:
On 2012-10-23 23:06:52 +0000, Me said:

On 24/10/2012 10:52 a.m., Michael wrote:
On 2012-10-23 21:22:16 +0000, Rob said:

On 24/10/2012 5:55 AM, Michael wrote:
I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
reviews look good and it is much less expensive than Nikon's 10mm
f/2.8.
B&H sells it for $299 without the focus confirm chip and $329 with the
focus confirm chip.

Does anyone have any experience with this lens?



When you use one of these lenses you don't need and focus confirmation.

It will pull just about everything into focus.

Some of the reviews imply (and I don't know wny) that the autoexposure
works better with the chip involved. I cannot understand why that should
be, though.

I suspect it's a typo / error in description.
Focus confirmation in Nikon bodies doesn't require a chip in the lens.
For AE to function on some Nikon bodies (below D7000 in present
lineup?), a chip is required to communicate the maximum aperture of
the lens to the body. Higher end bodies have a rotating ring with a
lug, coupling the aperture ring on the lens to the body.
Without the chip, metering won't work on a D5000.


Thank you. That answers the question regarding which version of the lens
I need. I still would appreciate a hands on review of it, if anyone has
it. Interesting about the rotating ring and lug. That sounds a lot like
what Nikon used 45 years ago with the Nikon F to set the maximum
aperture on the Photomic FTN metering heads. All the old NIkkor lenses
(I have them for my vintage F which has only the nonmetering prism) have
those lugs, which serve no purpose on the fully manual version of the F.
Also, the 5000 is one of the few Nikon DSLRs that can accept unmodified
non-AI F-mount lenses from the old Nikon F days. It requires full manual
exposure mode, of course. But the lenses do mount and do focus and do
take good pictures.

I can't help with first-hand experience with the Rokinon 8mm. I've seen
samples taken with a D200 though, and they looked pretty good. There's
a bit of CA - practically unavoidable with extreme optics. I'm not sure
if CA reduction in some Nikon bodies deals to the CA, or how easily it
is deal with in post-processing. The Nikkor 10.5mm Dx fisheye also has
some CA - a similar amount - but price of this lens is much higher, and
it's not as wide. AF is (IMO) not important, I expect you'd want to use
it stopped down to f8 or smaller most of the time.
There's a review of the "Samyang" branded 8mm fisheye (same as
"Rokinon") on a Canon body (50d) he
http://www.photozone.de/canon-eos/526-samyang8f35eos
Verdict is that it's pretty good - within the limitation that it is what
it is - an extreme lens.
I suggest you go for it (get the one with the chip). You can always
sell it if you don't like it. Most of the Rokinon/Samyang lenses seem
remarkably decent for the price, some are exceptional.
  #7  
Old October 24th 12, 01:54 PM posted to rec.photo.digital.slr-systems
Ian
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Posts: 21
Default Rokinon Fisheye 8mm for Nikon DSLR etc

"Michael" wrote in message
news:2012102314552084131-adunc79617@mypacksnet...
:I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
: reviews look good and it is much less expensive than Nikon's 10mm
: f/2.8. B&H sells it for $299 without the focus confirm chip and $329
: with the focus confirm chip.
:
: Does anyone have any experience with this lens?
:
: --
: Michael

Hello Michael.
The Rokinon lens looks very similar to the Samyang 8mm lens which I use on
my Canon DSLR.
My lens isis totally manual; I have to focus it myself and set the aperture
myself.
I'm happy with the lens and already have recommended it to friernds. The
only problem with the Samyang is that the lens seems hard to find in Canon
fit; it's much easier to find it in Nikon fit.
The only weakness of the lens is spring loaded lugs which hold the cap onto
the lens. The spring can pop out and then the cap won't stay on the lens. A
suitable replacement spring is the small sprung tube which holds watch
straps onto the body of the watch.

Best wishes, Ian.


  #8  
Old October 24th 12, 02:08 PM posted to rec.photo.digital.slr-systems
PeterN
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Posts: 3,039
Default Rokinon Fisheye 8mm for Nikon DSLR etc

On 10/24/2012 12:33 AM, Michael wrote:
On 2012-10-23 23:06:52 +0000, Me said:

On 24/10/2012 10:52 a.m., Michael wrote:
On 2012-10-23 21:22:16 +0000, Rob said:

On 24/10/2012 5:55 AM, Michael wrote:
I am looking into the Rokinon f/3.5 8mm fisheye for my D5000. The B&H
reviews look good and it is much less expensive than Nikon's 10mm
f/2.8.
B&H sells it for $299 without the focus confirm chip and $329 with the
focus confirm chip.

Does anyone have any experience with this lens?



When you use one of these lenses you don't need and focus confirmation.

It will pull just about everything into focus.

Some of the reviews imply (and I don't know wny) that the autoexposure
works better with the chip involved. I cannot understand why that should
be, though.

I suspect it's a typo / error in description.
Focus confirmation in Nikon bodies doesn't require a chip in the lens.
For AE to function on some Nikon bodies (below D7000 in present
lineup?), a chip is required to communicate the maximum aperture of
the lens to the body. Higher end bodies have a rotating ring with a
lug, coupling the aperture ring on the lens to the body.
Without the chip, metering won't work on a D5000.


Thank you. That answers the question regarding which version of the lens
I need. I still would appreciate a hands on review of it, if anyone has
it. Interesting about the rotating ring and lug. That sounds a lot like
what Nikon used 45 years ago with the Nikon F to set the maximum
aperture on the Photomic FTN metering heads. All the old NIkkor lenses
(I have them for my vintage F which has only the nonmetering prism) have
those lugs, which serve no purpose on the fully manual version of the F.
Also, the 5000 is one of the few Nikon DSLRs that can accept unmodified
non-AI F-mount lenses from the old Nikon F days. It requires full manual
exposure mode, of course. But the lenses do mount and do focus and do
take good pictures.



I still use some of my old lenses on my D300. Particularly, the 200
Micro, and 50mm f1.4. Bpoth circa 1872, or thereabouts.

--
Peter
  #9  
Old October 24th 12, 02:36 PM posted to rec.photo.digital.slr-systems
jdanield
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Posts: 31
Default Rokinon Fisheye 8mm for Nikon DSLR etc

Le 24/10/2012 15:08, PeterN a écrit :

Micro, and 50mm f1.4. Bpoth circa 1872, or thereabouts.

so old :-))

jdd
  #10  
Old October 24th 12, 03:58 PM posted to rec.photo.digital.slr-systems
David J. Littleboy
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Posts: 2,618
Default Rokinon Fisheye 8mm for Nikon DSLR etc



"PeterN" wrote:

I still use some of my old lenses on my D300. Particularly, the 200
Micro, and 50mm f1.4. Bpoth circa 1872, or thereabouts.


You exaggerate: The standard 50/1.4 design only dates back to 1896 or so.
(Really!)

-- David J. Littleboy
Tokyo, Japan

 




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