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07-12-2009, 04:29 AM   #91
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QuoteOriginally posted by tranq78 Quote




If you don’t like using filters, just get a cheap 72mm filter, remove the glass and screw the metal filter ring onto the lens – simple and easy. If this causes any angst, let me point out my Tamron 90mm F2.8 Macro also has a plastic front collar (albeit thicker) and I’ve never read any complaints about it.


Nice, isn’t it?
Firstly it is a lot of work doing the comparison and thanks for sharing the info.
I envy you as I still do not have any lens around 70-90mm . Still looking around. I just have to make do with either my 50 or 100mm

Also I like to comment that I hate filter other than the rare occasion when I need a CP. And all my lens have those crappy blueish brownish filter rings (of course without the glass) for protection.

Again a picture is better than a thousand word. Thanks


Daniel

07-13-2009, 01:02 PM   #92
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QuoteOriginally posted by K-9 Quote
Anyone know how many brands this 85mm has been released as? I believe I've seen 3-4 already.
Well, let's count:
  1. Vivitar
  2. Samyang
  3. Polar
  4. Rokinon
  5. Opteka
  6. Bower

Despite being the same lens, they have different prices and accessories (I've seen some sold without the hood, for example). I'm also not sure that in P/KA mount the focus rings turn in the same direction. As far as I can remember, they all look exactly the same, except for the Vivitar, that has a slightly different exterior.

Cheapest: Opteka @ $260 shipped.
Most expensive: Bower @ $380 shipped.

.

Last edited by Miserere; 07-13-2009 at 01:09 PM.
08-15-2009, 03:12 AM   #93
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QuoteOriginally posted by Miserere Quote
Well, let's count:
  1. Vivitar
  2. Samyang
  3. Polar
  4. Rokinon
  5. Opteka
  6. Bower

Despite being the same lens, they have different prices and accessories (I've seen some sold without the hood, for example). I'm also not sure that in P/KA mount the focus rings turn in the same direction. As far as I can remember, they all look exactly the same, except for the Vivitar, that has a slightly different exterior.


.
I have the Rokinon version, and it's a very, very nice lens, but I wonder are production specs put with different names, where as even though they are all made the same way and have the same lens configuration inside, each brand may have a different quality control standard ?

Just wondering !


wll
08-16-2009, 02:15 AM   #94
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QuoteOriginally posted by yqchen Quote
This len almost made me mad. This was my second time to use it and it was broken. The aperture pole is blocked by something in side. So no matter what I set to aperture, it always comes out f1.4.
ouch that ain't good

08-24-2009, 07:48 AM   #95
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I got one of the opteka versions today and took a couple of test shots (just quick snaps, hand held):
my son (f1.4, 1/200, iso640 - focus on his right eye):


some of his toys (f1.8, 1/15 iso640 - focus on rear toy):


I think it's a good lens for the price.
08-25-2009, 10:17 PM   #96
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Wow - that does look like a great lens - now only if I can learn to focus....
12-26-2009, 04:06 PM   #97
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I am very interested in this lens. I will buy to use it mostly on my K10D.
But I would like to know your opinion on using with my new micro 4/3 Lumix GF1.
Thanks in advance.
01-03-2010, 07:59 AM   #98
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In Europe, I have also seen the Walimex brand:
walimex pro 85/1,4 IF Objektiv f. Pentax/Samsung

01-03-2010, 11:16 AM   #99
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I wonder how any of the 85mm lenses will work with an AF teleconverter.
01-03-2010, 11:51 AM   #100
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Probably really well, if one prefocuses. Since the lens is optimized for wide-open shooting, the loss in aperture wideness is no big deal.
Not sure if anyone has tried it.
02-05-2010, 11:33 PM   #101
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Inconsitant Quality

I was told that these lens are of inconsitant Quality. If your lucky you'll get a might good copy. Is that true?

02-06-2010, 06:13 AM   #102
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QuoteOriginally posted by tcboxer Quote
I was told that these lens are of inconsitant Quality. If your lucky you'll get a might good copy. Is that true?

I don't think so, no. Maybe inconsistent build quality, but I haven't heard anyone here mention that they got an optically bad copy.
02-06-2010, 09:22 AM   #103
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QuoteOriginally posted by jboyde Quote
I wonder how any of the 85mm lenses will work with an AF teleconverter.
It works great with the Pentax 1.7x AF adapter.

[yt]http://www.youtube.com/watch?v=6aSEFjZNbCE[/yt]
02-06-2010, 04:29 PM   #104
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Hi

As it seems they are recovering older MF lenses: A new edition of the Vivitar Series 1 105/2,5 Macro or the Voigtlaender 125/2,8 Macro would be great

Cheers - Klaus
02-06-2010, 05:33 PM   #105
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QuoteOriginally posted by Klaus Quote
Hi

As it seems they are recovering older MF lenses: A new edition of the Vivitar Series 1 105/2,5 Macro or the Voigtlaender 125/2,8 Macro would be great

Cheers - Klaus
All their designs are brand-new in-house, and not a copy of any existing lens.
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