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S-M-C Takumar 120/2.8
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PostPosted: Sat Nov 13, 2021 6:10 pm    Post subject: S-M-C Takumar 120/2.8 Reply with quote

Finally got a chance to try this lens on full frame (Sony A7II)
Takumar 120 2.8 by stoneman227, on Flickr
Takumar 120 2.8 g by stoneman227, on Flickr
Takumar 120 2.8 f by stoneman227, on Flickr
Takumar 120 2.8 e by stoneman227, on Flickr
Takumar 120 2.8 d by stoneman227, on Flickr
Takumar 120 2.8 c by stoneman227, on Flickr
Takumar 120 2.8 b by stoneman227, on Flickr


PostPosted: Sat Nov 13, 2021 6:39 pm    Post subject: Reply with quote

Like 1 Like 1 Like 1


PostPosted: Sat Nov 13, 2021 7:39 pm    Post subject: Reply with quote

Wonderful set of images. I'm not overly familiar with the lens' qualities, but I do like what I see here.


PostPosted: Sat Nov 13, 2021 7:58 pm    Post subject: Reply with quote

Looks like a nice balance between sharpness and bokeh.


PostPosted: Sat Nov 13, 2021 8:39 pm    Post subject: Reply with quote

I didn't keep notes but the F-stops were as follows
#1 , f 2.8
#2 , f 5.6
#3 , f 16
#4 , f 5.6
#5 , f 2.8
#6 , f 2.8
#7 , f 5.6


PostPosted: Tue Nov 16, 2021 7:00 am    Post subject: Re: S-M-C Takumar 120/2.8 Reply with quote

Stoneman227 wrote:
Finally got a chance to try this lens on full frame (Sony A7II)


Is it the same design as SMC Pentax 120mm f2.8 (K-series)?


PostPosted: Tue Nov 16, 2021 7:13 am    Post subject: Re: S-M-C Takumar 120/2.8 Reply with quote

Manichaean wrote:
Stoneman227 wrote:
Finally got a chance to try this lens on full frame (Sony A7II)


Is it the same design as SMC Pentax 120mm f2.8 (K-series)?


Very similar, but I don't think that they are identical.
Tom


PostPosted: Tue Nov 16, 2021 9:17 am    Post subject: Re: S-M-C Takumar 120/2.8 Reply with quote

Oldhand wrote:
Manichaean wrote:
Stoneman227 wrote:
Finally got a chance to try this lens on full frame (Sony A7II)


Is it the same design as SMC Pentax 120mm f2.8 (K-series)?


Very similar, but I don't think that they are identical.
Tom


The optical formula was carried over from the takumar, but the K-series takes 52mm filters so maybe slightly adapted, but then again. That wouldn't be very economical because they couldn't use the same glass in both lenses. Their production overlaps in 1975/76 The K version is more rare than the Takumar. The Pentax-M 120mm F2.8 is a totally new design.


Last edited by D1N0 on Tue Nov 16, 2021 3:29 pm; edited 1 time in total


PostPosted: Tue Nov 16, 2021 3:22 pm    Post subject: Reply with quote

I used to have the ‘K’ version of this lens. I bought it out of curiosity. Its performance however, was IMO comparable to most Japanese A brand 135/2.8’s, so pretty solid. In some reviews softness wide open is reported. I didn’t see that really. Improper manual focusing skills are often confused with ‘softness wide open’ 😋.
I finally sold it because I prefer slightly shorter focal lengths for portraits. But for some photographers 120mm may just be perfect 👍.


PostPosted: Tue Nov 16, 2021 9:27 pm    Post subject: Reply with quote

caspert79 wrote:
I used to have the ‘K’ version of this lens. I bought it out of curiosity. Its performance however, was IMO comparable to most Japanese A brand 135/2.8’s, so pretty solid. In some reviews softness wide open is reported. I didn’t see that really. Improper manual focusing skills are often confused with ‘softness wide open’ 😋.
I finally sold it because I prefer slightly shorter focal lengths for portraits. But for some photographers 120mm may just be perfect 👍.


I'll agree with this ~ up to a point.

Some well known internet reviewers have maligned some of the lenses I own, and I really don't see why they deserve the negative commentary.

When I think about it, it could be something as simple as sample variation - but in the Nikkor line?
Perhaps. Could be a combination of both the above, and sample variation.
Don't get me wrong... I've had some junk 3rd party lenses pass through my hands.
I think if it's a reasonably priced film era first party lens in reasonable shape at a good price, it's worth a try...

-D.S.


PostPosted: Tue Nov 16, 2021 11:08 pm    Post subject: Reply with quote

Like 1


PostPosted: Wed Nov 17, 2021 4:01 am    Post subject: Reply with quote

caspert79 wrote:
In some reviews softness wide open is reported. I didn’t see that really. Improper manual focusing skills are often confused with ‘softness wide open’ 😋.

For some reason I had issues nailing the focus with this lens when I first got it. Not sure why , as oddly enough, it was the only lens that I felt it was a crap shoot to get perfect focus with and I've focused with everything from non-coupled rangefinders to ground glass large format. The zoom assist on my current camera helps reliably hit the focus I want now.


PostPosted: Wed Nov 17, 2021 7:25 am    Post subject: Reply with quote

Stoneman227 wrote:
caspert79 wrote:
In some reviews softness wide open is reported. I didn’t see that really. Improper manual focusing skills are often confused with ‘softness wide open’ 😋.

For some reason I had issues nailing the focus with this lens when I first got it. Not sure why , as oddly enough, it was the only lens that I felt it was a crap shoot to get perfect focus with and I've focused with everything from non-coupled rangefinders to ground glass large format. The zoom assist on my current camera helps reliably hit the focus I want now.


To be fair, that's the only reliable way to nail the focus at wider apertures (at least on my Sony A7R2). On some systems, like (older) dSLR's without live view, it may be very hard. I remember this from when I was a student, when I used camera's such as the Eos 350d and Nikon D200. On some camera's I replaced the focusing glass by an ultra bright one. The optical viewfinders of these camera's were very small, especially because I was used to the incredibly great viewfinder of my last analogue camera, the Dynax 9xi.


PostPosted: Thu Nov 18, 2021 6:23 pm    Post subject: Reply with quote

I'm surprised there aren't a few more 120mm lenses out there, frankly. I find the focal length quite comfortable.


PostPosted: Thu Nov 18, 2021 8:39 pm    Post subject: Reply with quote

It was a Pentax thing to make intermediate focal lengths. 120,150mm but they also had a 30, 40mm (more common). Later on they came with the limited series with 31,43 and 77mm. The rise of zooms killed the 120 and 150


PostPosted: Thu Nov 18, 2021 10:29 pm    Post subject: Reply with quote

https://www.pentaxforums.com/lensreviews/Super-Multi-Coated-TAKUMAR-120mm-F2.8.html

https://www.pentaxforums.com/lensreviews/SMC-Pentax-K-120mm-F2.8-Lens.html

Formula looks the same, I don't know if there was a revision to the curvature of surfaces.


PostPosted: Thu Nov 18, 2021 10:53 pm    Post subject: Reply with quote

Takumar/K


Pentax-M

Still hunting for this one

The Takumar version is a variation on the 105 and 135 takumars


PostPosted: Fri Nov 19, 2021 12:51 am    Post subject: Reply with quote

D1N0 wrote:


The Takumar version is a variation on the 105 and 135 takumars


This jogged a memory .
When I bought this lens , my local pro camera dealer let me take this lens and a SMC 135 / 2.5 home to play with . Maybe it was just that particular 135 , but my 120 Tak was in a totally different class performance wise and the 135 was returned and I kept the 120.


PostPosted: Fri Nov 19, 2021 1:05 am    Post subject: Reply with quote

Here is a blast from the past (2008) taken with this lens and Sony's original A100 . I got lucky and hit the focus fairly well.
dog smc 120_edited-1web by stoneman227, on Flickr


PostPosted: Fri Nov 19, 2021 2:41 am    Post subject: Reply with quote

Stoneman227 wrote:
D1N0 wrote:


The Takumar version is a variation on the 105 and 135 takumars


This jogged a memory .
When I bought this lens , my local pro camera dealer let me take this lens and a SMC 135 / 2.5 home to play with . Maybe it was just that particular 135 , but my 120 Tak was in a totally different class performance wise and the 135 was returned and I kept the 120.


Was that a K-mount SMC Pentax 1:2.5 / 135 or or one of the two M42 Super-Multi-Coated 1:2.5 / 135 versions? Smile


PostPosted: Fri Nov 19, 2021 5:39 am    Post subject: Reply with quote

visualopsins wrote:
Stoneman227 wrote:
D1N0 wrote:


The Takumar version is a variation on the 105 and 135 takumars


This jogged a memory .
When I bought this lens , my local pro camera dealer let me take this lens and a SMC 135 / 2.5 home to play with . Maybe it was just that particular 135 , but my 120 Tak was in a totally different class performance wise and the 135 was returned and I kept the 120.


Was that a K-mount SMC Pentax 1:2.5 / 135 or or one of the two M42 Super-Multi-Coated 1:2.5 / 135 versions? Smile


It was a m42 mount , beyond that I'm not sure if it was the earlier or later design.


PostPosted: Fri Nov 19, 2021 9:30 am    Post subject: Reply with quote

Stoneman227 wrote:
D1N0 wrote:


The Takumar version is a variation on the 105 and 135 takumars


This jogged a memory .
When I bought this lens , my local pro camera dealer let me take this lens and a SMC 135 / 2.5 home to play with . Maybe it was just that particular 135 , but my 120 Tak was in a totally different class performance wise and the 135 was returned and I kept the 120.


I was referring to the 135mm F3.5 The F2.5 had different designs especially the second version which is excellent. The first version is a bit meh


PostPosted: Fri Nov 19, 2021 11:21 am    Post subject: Reply with quote

D1N0 wrote:
Stoneman227 wrote:
D1N0 wrote:


The Takumar version is a variation on the 105 and 135 takumars


This jogged a memory .
When I bought this lens , my local pro camera dealer let me take this lens and a SMC 135 / 2.5 home to play with . Maybe it was just that particular 135 , but my 120 Tak was in a totally different class performance wise and the 135 was returned and I kept the 120.


I was referring to the 135mm F3.5 The F2.5 had different designs especially the second version which is excellent. The first version is a bit meh


I see , I have passed on the 3.5 a few times and never gave it a go . The first version of the 2.5 may well have been the one I tried.


PostPosted: Thu Nov 25, 2021 11:23 am    Post subject: Reply with quote

Just got the K-mount version of this lens in good condition and full set (hood, case, original caps) Happy Dog


PostPosted: Fri Nov 26, 2021 8:32 pm    Post subject: Reply with quote

Manichaean wrote:
Just got the K-mount version of this lens in good condition and full set (hood, case, original caps) Happy Dog


Excellent !
Be sure to post some examples from it.