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papasito
Joined: 09 Jan 2015
Posts: 1658
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 Posted: Thu May 30, 2019 4:18 pm Post subject: 55mm lens. 1,8 mamiya SX vs. Auto Chinon 1,7. Which? |
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papasito wrote:
Both with good fame
Not multicoated.
Six elements
Tomioka's design?
Which more sharp and with more contrast? Better bokeh? |
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Thu May 30, 2019 4:42 pm Post subject: |
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D1N0 wrote:
Sample with the Chinon:
 Bokeh balls by The lens profile, on Flickr
This is a Mamiya Sekor 50mm F2
 Mamiya/Sekor 50mm F2 by The lens profile, on Flickr
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pentaxian |
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papasito
Joined: 09 Jan 2015
Posts: 1658
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| Posted: Thu May 30, 2019 5:14 pm Post subject: |
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papasito wrote:
Thank you, very much
if the images speack by themselves, the mamiya has a bit sharper details and nice colors |
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Thu May 30, 2019 5:33 pm Post subject: |
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D1N0 wrote:
Here is a similar one I just made with the Mamiya.
 Bokeh by The lens profile, on Flickr
I must say it has pretty low contrast wide open. But that is correctable in post and could be pretty useful for portraits. My copy still has fungus in it, I have yet to clean it. That may be part of the cause of the contrast.
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visualopsins
Joined: 05 Mar 2009
Posts: 10525
Location: California
Expire: 2025-04-11
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| Posted: Thu May 30, 2019 5:39 pm Post subject: |
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visualopsins wrote:
Thanks for the second example.
Hmmm...I think the Chinon is sharper with better colors. 
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Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Thu May 30, 2019 5:49 pm Post subject: |
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D1N0 wrote:
Can't really tell much from the colours of these samples lighting conditions are different the greens have turned a shade darker since the first shot, where it had also just rained so there is more contrast in the wood because it is wet.
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Pancolart
Joined: 04 Feb 2008
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Location: Slovenia, EU
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| Posted: Thu May 30, 2019 11:29 pm Post subject: |
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Pancolart wrote:
Mamiya you say it is 2/50?
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Fri May 31, 2019 9:15 am Post subject: |
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D1N0 wrote:
 Auto Mamiya/Sekor 50mm 1:2 by The lens profile, on Flickr  Auto Mamiya/Sekor 50mm 1:2 by The lens profile, on Flickr
Yup
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Lloydy
Joined: 02 Sep 2009
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Location: Ironbridge. UK.
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| Posted: Fri May 31, 2019 11:48 pm Post subject: |
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Lloydy wrote:
The Mamiya 50 / 2 is very good, but I like the 55 / 1.8 more, it really is an exceptional lens. Another one that gets overlooked is the Petri 55 / 1.8 which I think is equal to the Mamiya. It's a lens I regret selling. 
And the Chinon 55 / 1.7 is good, as indeed are the Takumar 55 / 1.8 and 2. I quite like my Fujinon 55 / 1.8, but not as much as the others I've mentioned here so it rarely gets used. But the Fujinon 55 / 2.2 is a different thing entirely, and a very distinctive lens.
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papasito
Joined: 09 Jan 2015
Posts: 1658
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| Posted: Sat Jun 01, 2019 7:02 pm Post subject: |
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papasito wrote:
I agree with Lloydy.
The mamiya 55 1,8 is an excellent lenses.
I have both, the first and the second (SX) formulas.
Can't try which is the best because my Nex 5 N is broken. |
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kiddo
Joined: 29 Jun 2018
Posts: 1120
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| Posted: Sat Jun 01, 2019 8:56 pm Post subject: |
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kiddo wrote:
| Lloydy wrote: |
The Mamiya 50 / 2 is very good, but I like the 55 / 1.8 more, it really is an exceptional lens. Another one that gets overlooked is the Petri 55 / 1.8 which I think is equal to the Mamiya. It's a lens I regret selling.
And the Chinon 55 / 1.7 is good, as indeed are the Takumar 55 / 1.8 and 2. I quite like my Fujinon 55 / 1.8, but not as much as the others I've mentioned here so it rarely gets used. But the Fujinon 55 / 2.2 is a different thing entirely, and a very distinctive lens. |
Besides the bubble bokeh and different character ,how is the 2.2 fujinon wo? Sharpness , mainly... |
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D1N0
Joined: 07 Aug 2012
Posts: 2491
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| Posted: Sun Jun 02, 2019 10:02 am Post subject: |
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D1N0 wrote:
It is a bit soft and glowy
@1:2 magnification before after:
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pentaxian
Last edited by D1N0 on Sun Jun 02, 2019 10:27 am; edited 1 time in total |
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stevemark
Joined: 29 Apr 2011
Posts: 3754
Location: Switzerland
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| Posted: Sun Jun 02, 2019 10:22 am Post subject: |
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stevemark wrote:
| Lloydy wrote: |
| The Mamiya 50 / 2 is very good |
I've been using the Mamiya/Sekor 50mm 1:2 for landscape images on my Sony A900, simply to experience how it feels apart from the usual testing. The lens is very sharp at f8 (and most vintage 1.7/1.8/2.0 50mm/55mm lenses are), but in addition it has nearly no CAs which results in very clear colors. A nice lens indeed.
| Lloydy wrote: |
| but I like the 55 / 1.8 more, it really is an exceptional lens. |
I do own one, but i did never use it for some time. Maybe i should ...
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55
Joined: 13 May 2013
Posts: 708
Location: U.S.
Expire: 2022-06-15
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| Posted: Mon Jun 03, 2019 8:24 am Post subject: Re: 55mm lens. 1,8 mamiya SX vs. Auto Chinon 1,7. Which? |
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55 wrote:
| papasito wrote: |
Both with good fame
Not multicoated.
Six elements
Tomioka's design?
Which more sharp and with more contrast? Better bokeh? |
These are my copies:
#1
#2
And now some comparison shots taken with a Sony A7ii.
Chinon, then Sekor. Wide open, and then f/4.
#1
#2
#3
#4
These are crops from the above images. The two blossoms are from the left foreground.
#5
#6
#7
#8
And the bubbles crops are from the upper left corner:
#9
#10
#11
#12
I hope those are helpful!
Tim |
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papasito
Joined: 09 Jan 2015
Posts: 1658
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| Posted: Tue Jun 04, 2019 4:05 pm Post subject: |
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papasito wrote:
Thank you, Till. Very much.
The SX is a very good lens.
the best of both, for me. |
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55
Joined: 13 May 2013
Posts: 708
Location: U.S.
Expire: 2022-06-15
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| Posted: Wed Jun 05, 2019 7:33 am Post subject: |
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55 wrote:
You're welcome, papasito. I should use my Sekor SX more often. |
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