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Jonathan Mac · 08-19-2022, 03:47 AM - **3 Likes**

Sigma 35mm f/2 DG DN

Pizza at dusk by Jonathan MacDonald, on Flickr

Colours by Jonathan MacDonald, on Flickr

Jonathan Mac · 08-22-2022, 07:23 AM - **1 Like**

35mm f/2 DG DN

Lights by Jonathan MacDonald, on Flickr

Mojácar nights by Jonathan MacDonald, on Flickr

Jonathan Mac · 08-24-2022, 04:19 AM - **1 Like**

Sigma 35mm f/2 DG DN

Tomatoes by Jonathan MacDonald, on Flickr

**Mbaez** · 08-29-2022, 10:35 AM - **2 Likes**

Agnes' morning stretch

Pentax K1II + Sigma 85mm at f1.4

Jonathan Mac · 08-31-2022, 03:11 AM - **1 Like**

Sigma 35mm f/2 DG DN

The view out to sea by Jonathan MacDonald, on Flickr

Lights at dusk by Jonathan MacDonald, on Flickr

**Mbaez** · 09-09-2022, 03:49 PM - **2 Likes**

Butterfly / Mariposa

Pentax K3II + Sigma 105mm f/2.8 EX DG Macro

**Mbaez** · 09-10-2022, 10:58 AM - **3 Likes**

Working Bee / Abeja trabajando

Pentax K3II + Sigma 105mm f/2.8 EX Macro at f4

Jonathan Mac · 09-13-2022, 07:06 AM

35mm f/2 DG DN on S5

Mojácar by Jonathan MacDonald, on Flickr

Tap by Jonathan MacDonald, on Flickr

**Mbaez** · 09-14-2022, 10:14 AM - **4 Likes**

Pentax K3II + Sigma 70-300mm f/4-5.6 APO DG Macro

300mm f/8 1/800 ISO1600

ChristianRock · 09-16-2022, 10:22 AM

Sigma 30mm f/1.4 DC HSM Art on K-S2. Trimming a brisket.

ChristianRock · 09-16-2022, 10:25 AM

Originally posted by djw

I hope this is the proper place to ask this question. I have a few Sigma lenses for various platforms and have been pleased with the quality. However, I'm having a problem with the 18-200 Sigma DC 3.5-6.3 that came with my newly acquired K200D. The focus seems to be "off", in that I'm not getting very clear images in autofocus (an 18-55 kit lens does better on this camera). If I work at it, I can get clearer images by manually focusing the Sigma than by AF. The focus ring seems to be dragging too much with the zoom ring. If I turn the zoom, with the camera in manual focus mode, the focus ring goes with it. I can turn the focus ring manually, but it wants to drag the zoom ring also; the only thing stopping it is the stiffness of the zoom ring.

Thoughts? Is this just the way it is with an older lens, or is there a way to rehab it?

Thanks in advance.

I see no one's answered... there seems to be a need for focus adjustment. Unfortunately you can't have adjustment by lens on the K200D. Do you have a newer body? Might need to use the Sigma lens there instead...
There's a way to adjust the focus of the K200D via the Debug setting, it's not as straight forward as in newer cameras but it can be done. But it's done for all cameras - so if the camera ends up working for the 18-200, your 18-55 might be off...

**Mbaez** · 09-17-2022, 10:53 AM

K3II + Sigma 105 EX Macro

Both at f/2.8 and ISO100

**Mbaez** · 09-20-2022, 01:34 PM - **2 Likes**

Hunting bees

with the Sigma 70-300mm F4-5.6 APO DG Macro mounted on the Pentax K1II

Both at 300mm and macro mode.

**Mbaez** · 09-21-2022, 10:17 AM - **1 Like**

Bokehlicious flower shots with the Sigma 70-300mm F4-5.6 APO DG Macro
@300mm

**Mbaez** · 09-27-2022, 02:21 PM

Purple tomatoes

Pentax K10D + Sigma 17-70 Contemporary
70mm f/5.6 1/400s ISO100

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08-19-2022, 03:47 AM - 3 Likes	#2926
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,911	Sigma 35mm f/2 DG DN Pizza at dusk by Jonathan MacDonald, on Flickr Colours by Jonathan MacDonald, on Flickr

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08-31-2022, 03:11 AM - 1 Like	#2930
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,911	Sigma 35mm f/2 DG DN The view out to sea by Jonathan MacDonald, on Flickr Lights at dusk by Jonathan MacDonald, on Flickr

09-09-2022, 03:49 PM - 2 Likes	#2931
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09-10-2022, 10:58 AM - 3 Likes	#2932
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09-13-2022, 07:06 AM	#2933
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,911	35mm f/2 DG DN on S5 Mojácar by Jonathan MacDonald, on Flickr Tap by Jonathan MacDonald, on Flickr

09-14-2022, 10:14 AM - 4 Likes	#2934
Mbaez Site Supporter Join Date: Jun 2018 Location: NY Photos: Albums Posts: 3,774	Pentax K3II + Sigma 70-300mm f/4-5.6 APO DG Macro 300mm f/8 1/800 ISO1600

09-16-2022, 10:22 AM	#2935
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09-16-2022, 10:25 AM	#2936
ChristianRock Pentaxian Join Date: Jul 2013 Location: People's Republic of America Photos: Gallery \| Albums Posts: 9,912	Originally posted by djw I hope this is the proper place to ask this question. I have a few Sigma lenses for various platforms and have been pleased with the quality. However, I'm having a problem with the 18-200 Sigma DC 3.5-6.3 that came with my newly acquired K200D. The focus seems to be "off", in that I'm not getting very clear images in autofocus (an 18-55 kit lens does better on this camera). If I work at it, I can get clearer images by manually focusing the Sigma than by AF. The focus ring seems to be dragging too much with the zoom ring. If I turn the zoom, with the camera in manual focus mode, the focus ring goes with it. I can turn the focus ring manually, but it wants to drag the zoom ring also; the only thing stopping it is the stiffness of the zoom ring. Thoughts? Is this just the way it is with an older lens, or is there a way to rehab it? Thanks in advance. I see no one's answered... there seems to be a need for focus adjustment. Unfortunately you can't have adjustment by lens on the K200D. Do you have a newer body? Might need to use the Sigma lens there instead... There's a way to adjust the focus of the K200D via the Debug setting, it's not as straight forward as in newer cameras but it can be done. But it's done for all cameras - so if the camera ends up working for the 18-200, your 18-55 might be off...

09-17-2022, 10:53 AM	#2937
Mbaez Site Supporter Join Date: Jun 2018 Location: NY Photos: Albums Posts: 3,774	K3II + Sigma 105 EX Macro Both at f/2.8 and ISO100

09-20-2022, 01:34 PM - 2 Likes	#2938
Mbaez Site Supporter Join Date: Jun 2018 Location: NY Photos: Albums Posts: 3,774	Hunting bees with the Sigma 70-300mm F4-5.6 APO DG Macro mounted on the Pentax K1II Both at 300mm and macro mode.

09-21-2022, 10:17 AM - 1 Like	#2939
Mbaez Site Supporter Join Date: Jun 2018 Location: NY Photos: Albums Posts: 3,774	Bokehlicious flower shots with the Sigma 70-300mm F4-5.6 APO DG Macro @300mm

09-27-2022, 02:21 PM	#2940
Mbaez Site Supporter Join Date: Jun 2018 Location: NY Photos: Albums Posts: 3,774	Purple tomatoes Pentax K10D + Sigma 17-70 Contemporary 70mm f/5.6 1/400s ISO100

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