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Doc Sharptail
Joined: 23 Nov 2020
Posts: 987
Location: Winnipeg Canada
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 Posted: Tue May 17, 2022 5:32 am Post subject: Vivitar 35-70 f2.8-3.8 sample frames |
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Doc Sharptail wrote:
At 35mm and f5.6, ISO 200.
Roughly a center crop of frame above.
Image taking distance was about 8 feet or 2 meters, and no where near minimum focus distance.
At 70mm and f5.6 again.
Crop of the 70mm image above.
At 35mm and f5.6 and infinity.
Crop of 35mm image above.
At 70mm and f5.6 and infinity.
Crop of 70mm image above.
Nothing spectacular, but again nothing really adverse either.
It's a bit fringy wide open at both 35mm and 70mm.
Contrast seems to weaken a bit at 70mm.
I need to do a bit more with it at MFD and see how it works there.
-D.S.
_________________
D-810, F2, FTN.
35mm f2 O.C. nikkor
50 f2 H nikkor, 50 f 1.4 AI-s, 135 f3.5 Q,
50 f2 K nikkor 2x, 28-85mm f3.5-4.5 A/I-s, 35-105 3.5-4.5 A/I-s, 200mm f4 Micro A/I, partial list.
"Ain't no half-way" -S.R.V.
"Oh Yeah... Alright" -Paul Simon |
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PBFACTS
Joined: 24 Dec 2008
Posts: 564
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| Posted: Tue May 17, 2022 8:49 am Post subject: Re: Vivitar 35-70 f2.8-3.8 sample frames |
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PBFACTS wrote:
| Doc Sharptail wrote: |
Nothing spectacular, but again nothing really adverse either.
It's a bit fringy wide open at both 35mm and 70mm.
Contrast seems to weaken a bit at 70mm.
I need to do a bit more with it at MFD and see how it works there.
-D.S. |
I had both the komine made vivitar f:3.5 & f2.8/3.8 versions
The f:3.5 was bigger but better..A that time, i made a comparaison with the zuiko 3.6 35/70 which was one of the best 35/70 and the iq (of the 3.5) was similar except at 3.5 & 35mm where the zuiko had the head
Just for info : the 3.5 was a 2.5/3.5 lens (as the kobori/tefnon made soligor 2.5/3.5 - 35-70) but a cam closed the iris to 3.5 at 35mm
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OM USER .. I KEEP/USE:
Om2 sp + T32 (grip/filter/zoom) + T8
+ Zuiko 16mm 3.5 / 55mm 1.2 / 65-200 4/ x1.4
+ Sigma 8mm 4.0 / 14mm 3.5 / 18-35 3.5-4.5
+ Tamron 35/105 2.8
+Tokina 150/500 5.6
+ Kiron 105/2.8 macro 1:1
+ Vivitar S1 90/180 falst field macro
+ 2x Doubler HR7
>>I SELL: OM10 + OM4ti
+ i sell: OM Md1 + Md 2 + Grip PowerPack + charger
+ i sell: OM Zuiko 24mm 2.8 / 28mm 3.5 / 50mm 1.8 / 50mm 1.4 / 50mm 3.5 macro / 35-70 3.6 / 35-105 3.5-4.5 / 75-150 4 / 500mm / 2xA
+ i sell: OM Kiron 28/105 3.2-4.5 / 1.5 converter
+ i sell: OM Makinon reflex 5.6/300 + Spector reflex (makinon) 500mm
+ i sell: OM Macro panagor extender 1:1
+ i sell: OM Sigma 16mm 2.8 fisheye (last version) / 21-35 3.5-4.2 ot/ 28-70 2.8 /1000mm mirror
+ i sell: Tamron 28-70 3.5-4.5 / 28-80 sp 3.5-4.2 / 28-135 sp 4-4.5 / /28-200 3.5 / 35-135 3..5-4.5 / 90mm sp macro 1:1 2.8
+ i sell: OM Soligor 2x doubler / x3 converte
+ i sell: Soligor FisheEye x0.15
+ i sell: OM Tokina 28/135 4-4.6 / 70/210 3.5 (= vivitar S1 v2)
+ i sell: OM Vivitar 28-70 3.5-4.8 / 28-90 s1 2.8-3.5 / 35-70 2.8-3.8 / 55/2.8 Macro 1:1 (komine) / 70-150 3.8 ot (kiron) / 75-150 ot 3.8 (tokina + 2x matched)
+ i sell : OM cosina 100-500 5.6/8 |
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Tue May 17, 2022 9:23 am Post subject: |
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D1N0 wrote:
I have the 35-70/3.5 Komine version. It is a very contrasty lens, but I find it's rendering a bit harsh. Bokeh is pretty busy or wonky too.
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pentaxian |
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Doc Sharptail
Joined: 23 Nov 2020
Posts: 987
Location: Winnipeg Canada
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| Posted: Tue May 17, 2022 3:06 pm Post subject: |
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Doc Sharptail wrote:
I think this is the Komine version with the 28 pre-fix.
It's fairly small for a zoom, and does not take up a lot of bag space.
I kind of like the angle of view of this at 35mm, and should probably investigate a 35mm prime.
-D.S.
_________________
D-810, F2, FTN.
35mm f2 O.C. nikkor
50 f2 H nikkor, 50 f 1.4 AI-s, 135 f3.5 Q,
50 f2 K nikkor 2x, 28-85mm f3.5-4.5 A/I-s, 35-105 3.5-4.5 A/I-s, 200mm f4 Micro A/I, partial list.
"Ain't no half-way" -S.R.V.
"Oh Yeah... Alright" -Paul Simon |
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Wed May 18, 2022 11:54 am Post subject: |
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D1N0 wrote:
Here's my collection of 35-70mm zooms ordered by size.
The 35-70mm 1:4 Pentax-A is missing it's filter thread (common, it breaks when dropped with a hood attached I guess) so it is actually a bit taller.
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pentaxian |
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Doc Sharptail
Joined: 23 Nov 2020
Posts: 987
Location: Winnipeg Canada
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| Posted: Thu May 19, 2022 7:51 am Post subject: |
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Doc Sharptail wrote:
| D1N0 wrote: |
| Here's my collection of 35-70mm zooms ordered by size. |
How is your experience with the Tamron?
I may have to go to nikkor, but there are very mixed reviews there...
-D.S.
_________________
D-810, F2, FTN.
35mm f2 O.C. nikkor
50 f2 H nikkor, 50 f 1.4 AI-s, 135 f3.5 Q,
50 f2 K nikkor 2x, 28-85mm f3.5-4.5 A/I-s, 35-105 3.5-4.5 A/I-s, 200mm f4 Micro A/I, partial list.
"Ain't no half-way" -S.R.V.
"Oh Yeah... Alright" -Paul Simon |
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Thu May 19, 2022 8:56 am Post subject: |
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D1N0 wrote:
| Doc Sharptail wrote: |
| D1N0 wrote: |
| Here's my collection of 35-70mm zooms ordered by size. |
How is your experience with the Tamron?
I may have to go to nikkor, but there are very mixed reviews there...
-D.S. |
I like it. It's really a more compact and less famous version of the 35-80 2.8-3.8 (01A). I got it really cheap and wasn't expecting much but it surprised me. 35mm side is excellent in the frame (I'm not a corner peeper) It is also really good for close up and has great smooth bokeh.
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pentaxian |
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