Vivitar Lens Club - share the beauty

edom31 · 04-13-2020, 12:00 PM - **4 Likes**

Vivitar 28/2.5 [Kino]

**Archimedes the Dog** · 04-14-2020, 07:35 AM

Originally posted by edom31

Vivitar 28/2.5 [Kino]

Nice series.

edom31 · 04-14-2020, 08:33 AM - **1 Like**

Originally posted by Archimedes the Dog

Nice series.

Thanks! I know the lens does not have great reviews, but for me it has performed well. Nothing fancy about it, it just does a good general job well. Daylight helps it out a lot (eventhough it was overcast that day).

edom31 · 04-17-2020, 12:01 PM - **2 Likes**

Vivitar 28/2.5 [Kino]

**pepperberry farm** · 04-18-2020, 05:14 AM - **3 Likes**

**pepperberry farm** · 04-18-2020, 05:14 AM - **2 Likes**

Jonathan Mac · 05-29-2020, 04:16 AM - **3 Likes**

Vivitar 28mm f/2 (Kiron version). First shot was at f/2.8. The second was wide open, I missed focus slightly.

2020-05-27_09-39-15 by Jonathan MacDonald, on Flickr

2020-05-27_09-26-55 by Jonathan MacDonald, on Flickr

Jonathan Mac · 06-02-2020, 07:51 AM - **1 Like**

Vivitar (Kiron) 28mm f/2

2020-05-27_09-40-31 by Jonathan MacDonald, on Flickr

**paulh** · 06-10-2020, 12:54 PM - **1 Like**

evening at the fountain - Vivitar 28/2.8 CF on K5:

aaacb · 06-23-2020, 05:41 PM - **3 Likes**

I liked my first Vivitar S1 70-210 enough that i got a second one. This one's the third version and KA mount which is convenient for metering
crop for aspect ratio

Riggson · 06-24-2020, 10:33 PM - **2 Likes**

Just wandering around the neighborhood

**onlineflyer** · 06-28-2020, 07:01 PM - **1 Like**

Vivitat Series 1 90-180mm f4.5 flat field macro + K-5iis

Jonathan Mac · 07-05-2020, 08:26 AM - **2 Likes**

Vivitar (Kiron) 28mm f/2

Crayons by Jonathan MacDonald, on Flickr

fireforsave · 07-05-2020, 03:44 PM

I was wondering if anyone has owned and compared these two normal 1.4 Vivitars. The 55mm has a 55mm filter thread and is only found in M42. The 50mm has a 49mm filter thread and is only found in Pentax K. I'm building a set of Vivitar lenses and need a ~50mm. The 55mm is a rumoured Tomioka design but researching that leaves a dead end. Overall I just want to know if there is a significant optical difference between the two. Thanks for any help!

**goatsNdonkey** · 07-06-2020, 04:12 AM - **1 Like**

Originally posted by fireforsave

I was wondering if anyone has owned and compared these two normal 1.4 Vivitars. The 55mm has a 55mm filter thread and is only found in M42. The 50mm has a 49mm filter thread and is only found in Pentax K. I'm building a set of Vivitar lenses and need a ~50mm. The 55mm is a rumoured Tomioka design but researching that leaves a dead end. Overall I just want to know if there is a significant optical difference between the two. Thanks for any help!

I can't help, but that is an interesting question. It reminds me that I seem to find better build quality in m42 lenses made before the K-mount was invented. That doesn't mean that there aren't exceptions, and of course the K-mounts can equal or exceed particular m42 in image quality areas. In any case, I never hesitate to choose an m42 lens if it has a good reputation (or is cheap enough to try out without a review), and in fact most of my prime lenses are m42!

I hope you can find good guidance about the two lenses you're inquiring about!

.

04-18-2020, 05:14 AM - 3 Likes	#905
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,645	K-3 with Vivitar (Cosina) 100mm f3.5 Macro

04-18-2020, 05:14 AM - 2 Likes	#906
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,645	K-3 with Vivitar (Cosina) 100mm f3.5 Macro

07-05-2020, 03:44 PM	#914
fireforsave Junior Member Join Date: Feb 2020 Location: Houston, Texas Photos: Gallery \| Albums Posts: 31	55mm 1.4 ∅55 vs 50mm 1.4 ∅49 I was wondering if anyone has owned and compared these two normal 1.4 Vivitars. The 55mm has a 55mm filter thread and is only found in M42. The 50mm has a 49mm filter thread and is only found in Pentax K. I'm building a set of Vivitar lenses and need a ~50mm. The 55mm is a rumoured Tomioka design but researching that leaves a dead end. Overall I just want to know if there is a significant optical difference between the two. Thanks for any help!

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04-13-2020, 12:00 PM - 4 Likes	#901
edom31 Pentaxian Join Date: Nov 2017 Location: Garden City, NY Photos: Gallery Posts: 6,349	Vivitar 28/2.5 [Kino]

04-14-2020, 07:35 AM	#902
Archimedes the Dog Site Supporter Join Date: Jul 2013 Location: Boise, ID Posts: 1,146	Originally posted by edom31 Vivitar 28/2.5 [Kino] Nice series.

04-14-2020, 08:33 AM - 1 Like	#903
edom31 Pentaxian Join Date: Nov 2017 Location: Garden City, NY Photos: Gallery Posts: 6,349	Originally posted by Archimedes the Dog Nice series. Thanks! I know the lens does not have great reviews, but for me it has performed well. Nothing fancy about it, it just does a good general job well. Daylight helps it out a lot (eventhough it was overcast that day).

04-17-2020, 12:01 PM - 2 Likes	#904
edom31 Pentaxian Join Date: Nov 2017 Location: Garden City, NY Photos: Gallery Posts: 6,349	Vivitar 28/2.5 [Kino]

05-29-2020, 04:16 AM - 3 Likes	#907
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,887	Vivitar 28mm f/2 (Kiron version). First shot was at f/2.8. The second was wide open, I missed focus slightly. 2020-05-27_09-39-15 by Jonathan MacDonald, on Flickr 2020-05-27_09-26-55 by Jonathan MacDonald, on Flickr

06-02-2020, 07:51 AM - 1 Like	#908
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,887	Vivitar (Kiron) 28mm f/2 2020-05-27_09-40-31 by Jonathan MacDonald, on Flickr

06-10-2020, 12:54 PM - 1 Like	#909
paulh Site Supporter Join Date: Sep 2010 Location: DFW Texas/Ventura County, CA Photos: Gallery \| Albums Posts: 33,252	evening at the fountain - Vivitar 28/2.8 CF on K5:

06-23-2020, 05:41 PM - 3 Likes	#910
aaacb Pentaxian Join Date: May 2016 Photos: Gallery Posts: 3,723	I liked my first Vivitar S1 70-210 enough that i got a second one. This one's the third version and KA mount which is convenient for metering crop for aspect ratio

07-05-2020, 08:26 AM - 2 Likes	#913
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,887	Vivitar (Kiron) 28mm f/2 Crayons by Jonathan MacDonald, on Flickr

07-06-2020, 04:12 AM - 1 Like	#915
goatsNdonkey Site Supporter Join Date: Jan 2016 Location: Fulton County, Illinois Posts: 3,727	Originally posted by fireforsave I was wondering if anyone has owned and compared these two normal 1.4 Vivitars. The 55mm has a 55mm filter thread and is only found in M42. The 50mm has a 49mm filter thread and is only found in Pentax K. I'm building a set of Vivitar lenses and need a ~50mm. The 55mm is a rumoured Tomioka design but researching that leaves a dead end. Overall I just want to know if there is a significant optical difference between the two. Thanks for any help! I can't help, but that is an interesting question. It reminds me that I seem to find better build quality in m42 lenses made before the K-mount was invented. That doesn't mean that there aren't exceptions, and of course the K-mounts can equal or exceed particular m42 in image quality areas. In any case, I never hesitate to choose an m42 lens if it has a good reputation (or is cheap enough to try out without a review), and in fact most of my prime lenses are m42! I hope you can find good guidance about the two lenses you're inquiring about! .

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