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revers
Joined: 13 May 2010
Posts: 573
Location: In the country just north of Toronto Canada
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 Posted: Wed Sep 14, 2011 3:29 pm Post subject: Three 28mm compared. |
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revers wrote:
Mounted on tripod, focus on close flowers, all shot @ f4.0
1. Vivitar (Kiron) 28/2.5
2. Vivitar (Bauer) 28/2.8
3. Sears 28/2.8
The Sears is a junker, the other two take your pick.
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Ron
Olympus OM-D E-M5, 14-42 & 45/1.8.
Panasonic G1, GF1, 14-45, 45-200 & various legacy lenses.
Canon S5, Sony 1.7 Tele-converter & Raynox DCR 150 Macro converter. |
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 16140
Expire: 2014-01-07
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| Posted: Wed Sep 14, 2011 3:58 pm Post subject: |
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iangreenhalgh1 wrote:
Maybe an element not aligned right in that Sears?
The other two, the sharpness is close but the colour renditions are very different, the Bauer is very warm, it also seems to have less contrast.
Those qualities of warmth and lower contrast could perhaps be put to good use in some situations.
But the Kiron seems to be the best overall imho.
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I don't care who designed it, who made it or what country it comes from - I just enjoy using it! |
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DigiChromeEd
Joined: 29 Dec 2009
Posts: 3464
Location: Northern Ireland
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| Posted: Wed Sep 14, 2011 4:04 pm Post subject: |
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DigiChromeEd wrote:
But the Kiron seems to be the best overall imho.[/quote]
Which is good news, 'cause of the three, that's the one I own! 
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walter g
Joined: 20 Feb 2010
Posts: 2464
Location: NC, USA
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| Posted: Wed Sep 14, 2011 4:40 pm Post subject: |
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walter g wrote:
| DigiChromeEd wrote: |
| But the Kiron seems to be the best overall imho. |
Which is good news, 'cause of the three, that's the one I own! [/quote]
+1 I have it too.
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Main cameras
Panasonic G5,Nikon J1,Pentax Q10,Sony Nex 6
Minolta MC W SI 2.5/28, MD 2.8/28, MC W SG 3.5/28, MC Celtic 3.5/28, MC W HG 2.8/35, MD Celtic 2.8/35, QE 4/35, Rokkor X 2/45, MC Rokkor X PG 1.4/50, MC Rokkor X PG 1.7/50, MD Rokkor X 1.7/50, MD 2/50, MC Rokkor PF 1.7/55, MC Rokkor PF 1.9/55, Auto Tele Rokkor PG 2.8/135, MC Tele Rokkor QD 3.5/135, TC 4/135, MC Celtic 4/200, MC Tele Rokkor PE 4.5/200
MD 28-70 f3.5-4.8, MD Macro 35-70 f3.5, Md 70-210 f4, MD Rokkor X 75-200 f4.5, MD 100-200 f5.6
Nikon Nikkor 4/20, O Auto 2/35, S Auto 1.4/50..... Miranda Auto 2.8/28, Auto 2.8/35, Auto 1.4/50, Auto EC 1.4/50, Auto 1.8/50, Auto EC 1.8/50,Auto 1.9/50, Auto 3.5/135
Various Soligor,Sun,Fujita,Komura,Spitatone, etc. Lenses
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Jethro Tull
Joined: 31 Dec 2010
Posts: 68
Location: SCOTLAND
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| Posted: Wed Sep 14, 2011 4:58 pm Post subject: Kiron's the winner |
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Jethro Tull wrote:
Yep the Kirons the winner and number 3 looks like an oil painting
Brian |
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David
Joined: 13 Apr 2011
Posts: 1871
Location: Denver, Colorado
Expire: 2013-01-25
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| Posted: Wed Sep 14, 2011 5:43 pm Post subject: |
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David wrote:
I have the Kiron, also, in M42. It's a fantastic lens though it does make everything a bit cooler than other 28mms.
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Attila
Joined: 24 Feb 2007
Posts: 57939
Location: Hungary
Expire: 2021-11-18
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| Posted: Wed Sep 14, 2011 6:00 pm Post subject: |
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Attila wrote:
I am pretty sure , Sears has a faulty from this short distance any lens produce acceptable images.
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revers
Joined: 13 May 2010
Posts: 573
Location: In the country just north of Toronto Canada
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| Posted: Wed Sep 14, 2011 8:00 pm Post subject: |
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revers wrote:
Ian & Attila, it seems it is me @ fault. The Sears lens is a Canon FD mount that requires one to turn a ring permitting the lens to stop down to where it is set, otherwise it is held wide open. When I reviewed the EXIF data I see the shutter speed was way higher with the Sears than the other two with Minolta mounts. I have now concluded the Sears lens was shot wide open. 
I really do not like the FL/FD Canon mounts for this very reason.
I will try & redo this test again in the near future with different subject matter & post in this thread.
Ron, kicking his own butt.
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Ron
Olympus OM-D E-M5, 14-42 & 45/1.8.
Panasonic G1, GF1, 14-45, 45-200 & various legacy lenses.
Canon S5, Sony 1.7 Tele-converter & Raynox DCR 150 Macro converter. |
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Attila
Joined: 24 Feb 2007
Posts: 57939
Location: Hungary
Expire: 2021-11-18
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| Posted: Wed Sep 14, 2011 8:03 pm Post subject: |
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Attila wrote:
 Look forward it.
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Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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DigiChromeEd
Joined: 29 Dec 2009
Posts: 3464
Location: Northern Ireland
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| Posted: Wed Sep 14, 2011 8:26 pm Post subject: |
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DigiChromeEd wrote:
| Attila wrote: |
| Look forward it. |
Which? Redoing the test or Ron kicking his own butt?
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ChromaticAberration
Joined: 23 Dec 2010
Posts: 827
Location: Portugal
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| Posted: Wed Sep 14, 2011 9:06 pm Post subject: |
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ChromaticAberration wrote:
I think Kino Precision takes this one home. It looks the better balanced lens.
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Attila
Joined: 24 Feb 2007
Posts: 57939
Location: Hungary
Expire: 2021-11-18
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| Posted: Wed Sep 14, 2011 9:35 pm Post subject: |
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Attila wrote:
| DigiChromeEd wrote: |
| Attila wrote: |
| Look forward it. |
Which? Redoing the test or Ron kicking his own butt? |
I am a polite guy so redoing.. 
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Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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casualcollector
Joined: 01 Aug 2008
Posts: 738
Location: Spaced out on Florida's Space Coast
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| Posted: Thu Sep 15, 2011 12:56 am Post subject: |
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casualcollector wrote:
| revers wrote: |
| I really do not like the FL/FD Canon mounts for this very reason. |
Gladly accepting donations and giving a good home to all Canon FL/FD mount equipment!
On the serious side... Is the Sears a Tokina made lens or one of the later macro focusing or Korean made items.
The Kino made Vivitar seems to have earned a good reputation. I have yet to score a copy for my own use.
The only lens I've tried so far that isn't as good as I think it should be is a Korean made Carenar 35.2,8. It behaves as though it has a de-centered element.
Bill
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Found: 135/2.8 #R407660, 200/4 #R405526, 300/5.5 #R411127 |
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revers
Joined: 13 May 2010
Posts: 573
Location: In the country just north of Toronto Canada
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| Posted: Thu Sep 15, 2011 1:21 pm Post subject: |
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revers wrote:
[quote="casualcollector"
On the serious side... Is the Sears a Tokina made lens or one of the later macro focusing or Korean made items.
Bill[/quote]
Bill, it is Sears model #202, 1:4 macro made in Korea.
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Ron
Olympus OM-D E-M5, 14-42 & 45/1.8.
Panasonic G1, GF1, 14-45, 45-200 & various legacy lenses.
Canon S5, Sony 1.7 Tele-converter & Raynox DCR 150 Macro converter. |
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revers
Joined: 13 May 2010
Posts: 573
Location: In the country just north of Toronto Canada
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| Posted: Thu Sep 15, 2011 3:38 pm Post subject: |
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revers wrote:
Took these in the front yard this morning. Used tripod & f8, focus on near tree 6' (2m) away.
Viv/Kiron 28/2.5
Viv/Bauer 28/2.8
Sears 28/2.8
The Sears still comes in @ third place in my opinion.
_________________
Ron
Olympus OM-D E-M5, 14-42 & 45/1.8.
Panasonic G1, GF1, 14-45, 45-200 & various legacy lenses.
Canon S5, Sony 1.7 Tele-converter & Raynox DCR 150 Macro converter. |
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