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kuuan
Joined: 14 Jan 2008
Posts: 4569
Location: right now: Austria
Expire: 2014-12-26
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 Posted: Tue Oct 23, 2012 3:24 pm Post subject: 9 lenses 38mm to 60mm near center 100% crops |
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kuuan wrote:
a few days ago I made a "fast and dirty" near center sharpness test of 9 lenses on NEX5N
Focal lengths vary from 38mm to 60mm but I had not changes position of camera nor object.
fast and dirty above all because set up is far from ideal, but well, why not I show the results
lenses used are
Pen-F Zuikos f1.8/38mm, f1.4/40mm, f1.5/60mm
Auto Takumar f2/55, Super Takumar f1.8/55mm, S-M-C Takumar f1.4/50mm
MC Rokkor-PG f1.4/50mm, Nikkor-S Auto f1.4/50mm, RE.Auto-Topcor f1.8/58mm
the set up ( taken with Pen-F 1.4/40, sharpened after resize )
focused on number f2.8 seen right of the red point on the mount
100% crops, shot in RAW, converted in LR3.5, only adjustment was "Auto Tone" ( adjusting resp. "equalizing" exposure )
Pen-F f1.8/38
Pen-F f1.4/40mm
Pen-F f1.5/60mm
Auto Takumar f2.55
Super Takumar f1.8/55mm
S-M-C Takumar f1.4.50mm
MC Rokkor-PG f1.4/50mm
Nikkor-S Auto f1.4/50mm
Tokyo Kogaku f1.8/58mm RE.Auto Topcor
as mentioned set up is less than ideal, but if anyone is interested there are the same crops taken at f2.8 and f5.6
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scsambrook
Joined: 29 Mar 2009
Posts: 2167
Location: Glasgow Scotland
Expire: 2011-11-18
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| Posted: Tue Oct 23, 2012 3:34 pm Post subject: |
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scsambrook wrote:
I love looking at these comparison shots! Yes, let's see the smaller apertures too!
Did you use a tripod?
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Stephen
Equipment: Pentax DSLR for casual shooting, Lumix G1 and Fuji XE-1 for playing with old lenses, and Leica M8 because I still like the optical rangefinder system. |
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kuuan
Joined: 14 Jan 2008
Posts: 4569
Location: right now: Austria
Expire: 2014-12-26
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| Posted: Tue Oct 23, 2012 3:42 pm Post subject: 100% crops at f2.8 |
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kuuan wrote:
| scsambrook wrote: |
I love looking at these comparison shots! Yes, let's see the smaller apertures too!
Did you use a tripod? |
yes, on tripod.
ok, happy if they are of interest, here come the other crops
here f2.8, same order
Penf 1.8/38
Penf 1.4/40
Penf 1.5/60
Auto Tak 2/55
Super Tak 1.8/55
S-M-C Tak 1.4/50
Rokkor 1.4/50
Nikkor 1.4/50
Topcor 1.8/58
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kuuan
Joined: 14 Jan 2008
Posts: 4569
Location: right now: Austria
Expire: 2014-12-26
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| Posted: Tue Oct 23, 2012 3:49 pm Post subject: 100% crops at f5.6 |
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kuuan wrote:
and finally at f5.6
Penf 1.8/38
Penf 1.4/40
Penf 1.5/60
Autotak 2/55
Supertak 1.8/55
S-M-C 1.4/50
Rokkor 1.4/50
Nikkor 1.4/50
Topcor 1.8/58
for showing full frames I must see where to host them
( on flickr I would have to change date one by one after uploading to not having them appear on the front page which I would want to avoid. Anywhere else the original files could be hosted for free? )
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LucisPictor
Joined: 26 Feb 2007
Posts: 17633
Location: Oberhessen, Germany / Maidstone ('95-'96)
Expire: 2013-12-03
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| Posted: Tue Oct 23, 2012 5:57 pm Post subject: |
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LucisPictor wrote:
The PEN lenses are good. And that 1.4/40 really seems to be outstanding!
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inombrable
Joined: 20 Mar 2012
Posts: 545
Location: Salamanca, Mexico
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| Posted: Tue Oct 23, 2012 6:06 pm Post subject: |
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inombrable wrote:
The Pen 60 f/1.5 performs very very good. |
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Nordentro
Joined: 24 Jun 2010
Posts: 4713
Location: Lillehammer, Norway
Expire: 2015-01-29
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| Posted: Tue Oct 23, 2012 6:09 pm Post subject: |
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Nordentro wrote:
| LucisPictor wrote: |
| The PEN lenses are good. And that 1.4/40 really seems to be outstanding! |
+1 
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kuuan
Joined: 14 Jan 2008
Posts: 4569
Location: right now: Austria
Expire: 2014-12-26
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| Posted: Wed Oct 24, 2012 9:59 am Post subject: |
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kuuan wrote:
| LucisPictor wrote: |
| The PEN lenses are good. And that 1.4/40 really seems to be outstanding! |
| inombrable wrote: |
| The Pen 60 f/1.5 performs very very good. |
| Nordentro wrote: |
| LucisPictor wrote: |
| The PEN lenses are good. And that 1.4/40 really seems to be outstanding! |
+1 |
I believe that all these lenses are good lenses and that this test can show that sharpness of the Pen-F lenses, specially of the 40mm and 60mm are up there with the very best. I knew that the f1.4/40 would do well and I am very happy with the result of the f1.5/60!
The Takumars I know very well and their very good results were expected, the S-M-C f1.4/50 being quite decisively sharper wide open than the f1.4/50 Nikkor and Rokkor, albeit with the most pronounced PF, and still sharpest of the f1.4/50 @ f2.8.
The Nikkor disappointed a bit, the Rokkor and Topcor proved not to be top performers wide open but top, sharper than some others, at f5.6
( btw. for corner sharpness, from other tests I did time ago not including Pen-F 1.5/60 and Topcor but some others more, I would expect the Auto Takumar f2/55 to do best and the Pen-F 1.8/38 to positively surprise )
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scsambrook
Joined: 29 Mar 2009
Posts: 2167
Location: Glasgow Scotland
Expire: 2011-11-18
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| Posted: Wed Oct 24, 2012 11:38 am Post subject: |
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scsambrook wrote:
Thanks for showing those, kuuan ! The more comparisons I see, the more convinced I become that "there ain't no bad standard lenses" (apart from my 50mm Domiplan )
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Stephen
Equipment: Pentax DSLR for casual shooting, Lumix G1 and Fuji XE-1 for playing with old lenses, and Leica M8 because I still like the optical rangefinder system. |
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Pancolart
Joined: 04 Feb 2008
Posts: 3702
Location: Slovenia, EU
Expire: 2013-11-18
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| Posted: Fri Oct 26, 2012 10:02 am Post subject: |
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Pancolart wrote:
Quite a chroma-noise parade there. Even closed down it still persists. Strange. Maybe cuz you were shooting at chrome .
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hifisapi
Joined: 25 Sep 2012
Posts: 941
Location: USA
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| Posted: Fri Oct 26, 2012 12:39 pm Post subject: |
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hifisapi wrote:
that last topcor image looks best to me.
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ACQUIRED OVER 30 YEARS:
Cameras: DSLR=Pentax istDS FILM=Pentax SP, SP-F, ESII, SP1000, KX, K2
Lenses : Pentax M42 = Super Multi Coated Takumars 50/1.4 55/1.8 100/4-BELLOWS 500/4.5 1000/8 135-600/6.7 Pentax PK= SMC Pentax-Ks K17/4-FF Fisheye K18/3.5 K20/4 K24/3.5 K28/3.5 K28/2 K35/3.5 K35/2 K50/1.2 K50/1.4K 50/4-MACROK 55/1.8 K85/1.8 K100/4-MACRO K100/4-BELLOWS K105/2.8 K120/2.8 K135/3.5 K135/2.5 K150/4 K200/4 K400/5.6 K45-125/4K 85-210/4.5 Pentax PKM = SMC Pentax-M M40/2.8-Pancake M50/1.4 M75-150/4 M80-200/4.5 Pentax PKA= SMC Pentax-A A15/3.5 A50/2.8-MACRO A28/2 A35/2 A50/1.4 A135/2.8 A200/4 A*300/4 A35-105/3.5 A24-50/4 A70-210/4 TAMRON AD2= SP80-200/2.8 SP180/2.5 TOKINA AT-X PK= ATX28-85/3.5-4.5 ATX35-70/2.8 ATX60-120/2.8 ATX80-200/2.8 ATX100-300/4 ATX90/2.5 MACRO KIRON-LESTER DINE PK = 105/2.8-MACRO VIVITAR PK = 135/2.8-MACRO 28-85/4 NOFLEXAR AUTOBELLOWS PK = 60/4 105/4 |
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