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03-01-2009, 06:15 PM   #31
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hinman: The Vivitar 200mm f/3.5 from Komine is definitely not as good looking as the Pentax 200mm f/4.0 (my subjective opinion, of course)
I own and shot with the Komine M42 version of the Vivitar. I think it is a cool looking lens. In fact, due to a listing mistake which I have PMed Adam to fix, we currently have an image of each lens in our 3rd party database--the M42 mount is my picture and is shot head-on, whereas the K-mount is from the side. PentaxForums.com Third-Party Pentax Lens Review Database - 200mm f/3.5 Auto Telephoto m42 mount

Stevebrot: Please accept this as my obligatory lens shot.

03-01-2009, 06:20 PM   #32
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Just1moredave:My focus ring is pretty good, even a bit lighter than typical Pentax-M. My aperture ring felt like it had some drag to it, but I just fixed it. You need a very small common screwdriver, eyeglass repair sized. Loosen (two turns) the three tiny screws in the lens barrel just above the aperture ring. Then you can slide that barrel just a little towards the focus ring, so it's not pressing hard against the aperture ring. With less pressure on the aperture ring it should turn more freely. Tighen the three screws and you're done.
Dave, do you own the M42 or K-mount version? Perhaps Steve is right; it is just a matter of old solidified grease maybe. The focus ring is cetainly very precise--I have no complaints here. It just requires more effort than I would like to exert to move it.
03-01-2009, 06:23 PM   #33
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QuoteOriginally posted by stevebrot Quote


Hope this thread helps your sales effort!

Steve
Thanks! I hope so too........
03-01-2009, 06:27 PM   #34
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just1moredave: Then you can slide that barrel just a little towards the focus ring, so it's not pressing hard against the aperture ring. With less pressure on the aperture ring it should turn more freely.
Dave, my focus ring turns with lots of effort, but my aperture ring moves too easily. But your directions here can almost certainly be used to put a little drag on the aperture ring--Thank You very much!

My lens is like brand new so I do not think anything is worn out. It is more likely that the lens just suffers from a few decades of inactivity, I think anyway. I am amazed this lens can be in this kind of shape, but even more amazed because Steve's looks to be just as new. Not sure what to make of this?

03-01-2009, 06:36 PM   #35
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Nesster: Man, do they clean up good closed down a bit, to where they'd be used in real life.
Yes, that is exactly what I am thinking after all the testing is done.
03-01-2009, 06:41 PM   #36
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ISO50: Here's my comparison.
You and the Hinman are shooting with the K-mount Komine. I have read there are some subtle but noteworthy differences between these 2 Komine 200mm f3.5 lenses.
03-01-2009, 07:03 PM   #37
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Yet one more wide-open comparison...

I went out as the daylight was fading and took yet another set with a different sign. Tripod, two shots per lens, best of two chosen to compare, focus on signpost, Pentax wide open at f/4 and Vivitar at both f/4 and f/3.5.



These are more in line with what I saw this morning. Mild reddish/yellowish (!?) CA on the Pentax, diffuse Purple Fringing on the Viv. Arguably slightly better resolution and contrast with the Viv.

Steve

(BTW...It is my understanding that the seller is open to offers...that sign has been up an awful long time...)
03-01-2009, 07:21 PM   #38
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Yet one more wide-open comparison...

--------------------------------------------------------------------------------
I went out as the daylight was fading and took yet another set with a different sign. Tripod, two shots per lens, best of two chosen to compare, focus on signpost, Pentax wide open at f/4 and Vivitar at both f/4 and f/3.5.
Now this is completely in line with what I have seen in my indoor shooting, minus the ca & pf of course. It is here where the two lenses are very close in performance, but once you start stopping down the Vivitar excels, as Nesster says.

BTW, on my M42 copy the aperture ring makes it a little difficult to know, for sure, when I'm at 3.5 or f 4: the throw is so little and there is little resistance. I have to be careful to ensure I am at either of the two apertures. And, as we have seen, it makes a significant difference in IQ between f3.5 & f4.

Thanks Steve for this--I am very happy with my purchase of the Vivitar--Heck, I was very happy with my purchase of the Pentax too, but now, as just1moredave says, I can sell the Pentax, cover the 200mm range, and add some money to the len's kitty.

BTW, Steve's discovery of "just1moredave's" forum name. and its likely connection to LBA, is an hysterical footnote.


Just1moredave:That's what I did. The Pentax can be sold for a good price and the cost difference goes back into the lens budget. For my infrequent need for a 200mm prime, the Vivitar is perfect.

03-01-2009, 07:28 PM   #39
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QuoteOriginally posted by Jewelltrail Quote
You and the Hinman are shooting with the K-mount Komine. I have read there are some subtle but noteworthy differences between these 2 Komine 200mm f3.5 lenses.
If I remember correctly, this is Dave's (ISO50) lens:

Vivitar 200mm F3.5 M42 ScrewMount K20D K10D K200D - eBay (item 120379196099 end time Feb-22-09 15:55:28 PST)

He has the later version M42 with the rubberized grip.

Steve
03-01-2009, 07:31 PM   #40
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QuoteOriginally posted by Jewelltrail Quote
Dave, do you own the M42 or K-mount version? Perhaps Steve is right; it is just a matter of old solidified grease maybe. The focus ring is cetainly very precise--I have no complaints here. It just requires more effort than I would like to exert to move it.
Mine is M42 with the diamond pattern rubber grip, serial 28715819. I guess that's 1977? I started to consider finding a K-mount version but I think I'll try to permanently mount an adapter instead and drill a locking pin hole.
03-01-2009, 08:07 PM   #41
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QuoteOriginally posted by stevebrot Quote
If I remember correctly, this is Dave's (ISO50) lens:

Vivitar 200mm F3.5 M42 ScrewMount K20D K10D K200D - eBay (item 120379196099 end time Feb-22-09 15:55:28 PST)

He has the later version M42 with the rubberized grip.

Steve
This is correct, my is M42 but did not realized it was the later version until you point it out that my has the rubberized grip.
Jewelltrail as you can see from the pictures, it looks almost like new as well.

Dave
03-01-2009, 08:14 PM   #42
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So both of the Dave's in this thread shoot with the later M42 version--got it. More to learn in every post. Thanks--I took a quick look at the focus ring and mistook this for a K-mount

Okay, my earlier Komine M42 is serial # 2818875 So mine is a 1971 make?
03-01-2009, 08:23 PM   #43
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QuoteOriginally posted by Jewelltrail Quote
So both of the Dave's in this thread shoot with the later M42 version--got it. More to learn in every post. Thanks--I took a quick look at the focus ring and mistook this for a K-mount

Okay, my earlier Komine M42 is serial # 2818875 So mine is a 1971 make?
Jewelltrail, check out this from Cameraquest, it has good info regarding to Vivitar lens numbering coding system.

Vivitar Lens Manufactuers
03-01-2009, 08:28 PM   #44
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Someone got a good deal...
Vivitar Pentax M42 screw-mount 200mm/f3.5 UNUSED - eBay (item 260365858009 end time Mar-01-09 17:10:00 PST)


Steve

(eBay has been just crawling with these lenses lately...)
03-01-2009, 09:00 PM   #45
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So then is the other lens here PentaxForums.com Third-Party Pentax Lens Review Database - 200mm f/3.5 Auto Telephoto m42 mount the later M42 mount with an adapter mounted?
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