Vivitar Lens Club - share the beauty

**onlineflyer** · 07-12-2022, 01:48 PM - **2 Likes**

Vivitar 135mm f2.8 Close Focusing + K-5iis, cross post from prime, prime, only prime

aaacb · 07-14-2022, 07:10 AM

S1 70-210 and k1ii

**marcusBMG** · 08-14-2022, 03:19 PM - **3 Likes**

Its always nice to bid on a lens and be delighted with both acquisition and price. Minty, boxed komine made vivitar 35-70mm f2.8-3.8.

First impressions good: komine lenses tend to have good colours and this doesn't seem to disappoint; sharpness good from wide open. Bokeh looks smooth. Close focus at ~ 60mm. Cropped some and resized. Wide open top, f8 (= ~f11) below.

aaacb · 08-20-2022, 06:19 PM - **1 Like**

vivitar s1 70-210 v3 and k1ii.

**marcusBMG** · 08-21-2022, 02:28 PM - **3 Likes**

Another close up shot with the viv 35-70mm - max 1:4 repro 70mm, f6.7 (=f9.4).
I did some test pics of the castle, the resolution looked good, some cloud meant the pics were backlit and the lens showed a significant loss of contrast and some flare. I'l post some more ideal test pics.

**marcusBMG** · 08-26-2022, 12:46 PM - **2 Likes**

Bright and sunny yesterday so I took these snaps with the vivitar 35-70mm f2.8-3.8. Middling F's. Just crop and exposure adjust (and speck removal) on most of these in faststone.

Very pleasing results actually, I was inclining to a notion of "good for close up" but check out the 1:1 pixel peep crop below from the panoramic crop of the estuary and Great Orme. Discount the evident atmospheric blur: sharp, no significant fringing or coma.

gifthorse · 08-29-2022, 06:38 PM - **1 Like**

Stitched panorama of the Milky Way over Fort Churchill, Nevada. Four portrait frames stitched in Lightroom.

Vivitar 28mm f2 close focusing lens on a Pentax Kr.

**pepperberry farm** · 08-30-2022, 04:13 AM - **3 Likes**

Vivitar (Cosina) 24mm f2.8 Macro

Jonathan Mac · 09-23-2022, 07:09 AM - **4 Likes**

Vivitar 28mm f/2.8 MC Close Focus (Komine) at minimum focus distance.

Analogue will set you free by Jonathan MacDonald, on Flickr

**marcusBMG** · 09-25-2022, 08:04 AM - **1 Like**

While you can see from the pics I have posted that the vivitar 35-70mm f2.8-3.5 is a good lens, when I did some test pics of the castle those highlighted some "decentering* " - pics when scrutinised were softer on the right side. Then I spotted one in PKA mount, which I doubted even existed though a reviewer on the review page reported one. So I was prompted to make a move and put in an offer, this manouvre was successful.

Another nice minty one, and I am now keen to see if this one tests better.
*there are a number of different optical causes of this, decentering as strictly defined (optical lens elements that are either moved or tilted from the principal axis of the lens) is just one, but decentering tends to be used as a generic desciption of a lens showing softer on one side.

gifthorse · 10-04-2022, 10:25 AM - **2 Likes**

Jupiter and the International space station over Sparks, Nevada

An airplane and Jupiter over Sparks, Nevada

Vivitar 28mm f2 close focusing on a K5ii

Jonathan Mac · 10-19-2022, 01:12 AM - **4 Likes**

Testing out close focus, wide-open image quality and bokeh on the 28/2.8 (Komine)

Flowers by Jonathan MacDonald, on Flickr

Flowers II by Jonathan MacDonald, on Flickr

Flowers III by Jonathan MacDonald, on Flickr

Arjay Bee · 11-08-2022, 01:23 AM - **1 Like**

Having retrieved my Vivitar 28 2.8 (Komine) Close Focus from my son I can now enjoy it again.

Warraber Jetty in late afternoon light. K3 Vivitar 28 2.8 at 2.8 cops I had forgotten to switch to manual program.

Arjay Bee · 12-03-2022, 12:06 AM - **2 Likes**

Vivitar 28 2.8 on K3 again - at 5.6

My current photography transport device.
(xposted in bike thread)

edom31 · 12-22-2022, 08:48 PM - **1 Like**

Vivitar 19-35/3.5-4.5 - It seems I only shoot this lens at 19mm...

09-25-2022, 08:04 AM - 1 Like	#1015
marcusBMG Site Supporter Join Date: Nov 2012 Location: North Wales Photos: Gallery \| Albums Posts: 2,867	While you can see from the pics I have posted that the vivitar 35-70mm f2.8-3.5 is a good lens, when I did some test pics of the castle those highlighted some "decentering* " - pics when scrutinised were softer on the right side. Then I spotted one in PKA mount, which I doubted even existed though a reviewer on the review page reported one. So I was prompted to make a move and put in an offer, this manouvre was successful. Another nice minty one, and I am now keen to see if this one tests better. there are a number of different optical causes of this, decentering as strictly defined (optical lens elements that are either moved or tilted from the principal axis of the lens) is just one, but decentering tends to be used as a generic desciption of a lens showing softer on one side. Last edited by marcusBMG; 09-25-2022 at 08:10 AM.*

11-08-2022, 01:23 AM - 1 Like	#1018
Arjay Bee Pentaxian Join Date: Sep 2006 Location: Horn Island, Torres Straits, Q Photos: Gallery Posts: 4,713 Original Poster	Having retrieved my Vivitar 28 2.8 (Komine) Close Focus from my son I can now enjoy it again. Warraber Jetty in late afternoon light. K3 Vivitar 28 2.8 at 2.8 cops I had forgotten to switch to manual program. Last edited by Arjay Bee; 11-08-2022 at 01:30 AM.

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07-12-2022, 01:48 PM - 2 Likes	#1006
onlineflyer Loyal Site Supporter Join Date: Jul 2010 Location: NW Ohio Photos: Gallery \| Albums Posts: 2,088	Vivitar 135mm f2.8 Close Focusing + K-5iis, cross post from prime, prime, only prime

07-14-2022, 07:10 AM	#1007
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08-20-2022, 06:19 PM - 1 Like	#1009
aaacb Pentaxian Join Date: May 2016 Photos: Gallery Posts: 3,723	vivitar s1 70-210 v3 and k1ii.

08-29-2022, 06:38 PM - 1 Like	#1012
gifthorse Pentaxian Join Date: Dec 2011 Location: Nevada Photos: Gallery Posts: 2,945	Stitched panorama of the Milky Way over Fort Churchill, Nevada. Four portrait frames stitched in Lightroom. Vivitar 28mm f2 close focusing lens on a Pentax Kr.

08-30-2022, 04:13 AM - 3 Likes	#1013
pepperberry farm amateur dirt farmer Join Date: Dec 2014 Location: probably out in a field somewhere... Photos: Gallery \| Albums Posts: 41,625	Vivitar (Cosina) 24mm f2.8 Macro

09-23-2022, 07:09 AM - 4 Likes	#1014
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,879	Vivitar 28mm f/2.8 MC Close Focus (Komine) at minimum focus distance. Analogue will set you free by Jonathan MacDonald, on Flickr

10-04-2022, 10:25 AM - 2 Likes	#1016
gifthorse Pentaxian Join Date: Dec 2011 Location: Nevada Photos: Gallery Posts: 2,945	Jupiter and the International space station over Sparks, Nevada An airplane and Jupiter over Sparks, Nevada Vivitar 28mm f2 close focusing on a K5ii

10-19-2022, 01:12 AM - 4 Likes	#1017
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,879	Testing out close focus, wide-open image quality and bokeh on the 28/2.8 (Komine) Flowers by Jonathan MacDonald, on Flickr Flowers II by Jonathan MacDonald, on Flickr Flowers III by Jonathan MacDonald, on Flickr

12-03-2022, 12:06 AM - 2 Likes	#1019
Arjay Bee Pentaxian Join Date: Sep 2006 Location: Horn Island, Torres Straits, Q Photos: Gallery Posts: 4,713 Original Poster	Vivitar 28 2.8 on K3 again - at 5.6 My current photography transport device. (xposted in bike thread)

12-22-2022, 08:48 PM - 1 Like	#1020
edom31 Pentaxian Join Date: Nov 2017 Location: Garden City, NY Photos: Gallery Posts: 6,349	Vivitar 19-35/3.5-4.5 - It seems I only shoot this lens at 19mm...

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