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jcdoss · 07-06-2022, 07:45 AM

Pentax K-1 mII Limited Silver and M150f3.5 at f4.0

Last edited by jcdoss; 07-16-2022 at 10:07 AM.

jcdoss · 07-16-2022, 10:09 AM

Pentax K-1 mII and K105f2.8 at f8

jcdoss · 08-10-2022, 12:34 PM

Pentax K-1 mII Limited Silver and M150f3.5 at f11

**ehrwien** · 12-14-2022, 02:13 PM - **1 Like**

smc D FA 100mm WR macro on K-1

Sunset #2

jcdoss · 06-15-2023, 02:19 PM

Pentax K-1 mII Limited Silver and M150f3.5 at f8.0, 1/250s, and ISO 200

jcdoss · 07-22-2023, 07:26 AM

Pentax K-1 mII and Pentax-M 150mm f3.5 at f5.6, 1/250s, and ISO 400

jcdoss · 08-05-2023, 01:06 PM

Pentax K-1 mII and Pentax-M 120mm f2.8 at f5.6, 1/180s, and ISO 100

---------- Post added 5th Aug 2023 at 14:08 ----------

Pentax K-1 mII and Pentax-M 120mm f2.8 at f5.6, 1/250s, and ISO 100

jcdoss · 08-06-2023, 09:59 AM

Pentax K-1 mII and Pentax-M 150mm f3.5 at f5.6, 1/250s, and ISO 400

jcdoss · 08-30-2023, 11:15 AM

Pentax K-1 mII and Pentax-M 150mm f3.5 at f11, 1/90s, and ISO 400

jcdoss · 09-04-2023, 05:25 AM - **1 Like**

Pentax K-1 mII and Pentax-M 150mm f3.5 at f8.0, 1/45s, and ISO 400

jcdoss · 09-05-2023, 11:23 AM

Pentax K-1 mII Limited Silver and Pentax-A 100mm f2.8 Macro with 1.4x-S Converter-A at f5.6, 1/4000s, and ISO 1600

Piotrek K · 11-17-2023, 08:15 AM - **2 Likes**

The 100 - 200 mm lenses are easily used with Pentax Astrotracer (O-GPS unit) for simple astrophotography.

M31 - the biggest galaxy (relatively, as seen from Earth).

The image above was made with SMC-M Pentax M 135/3.5 at 5.6 and 25 sec. subs combined in astrophotography sofware (total integration time was mere 12 mins), Pentax K-r at ISO 1600 and Astrotracer.

Crossposted to the M-lenses Lens Club

jgnfld · 11-17-2023, 08:17 AM

Originally posted by Piotrek K

The 100 - 200 mm lenses are easily used with Pentax Astrotracer (O-GPS unit) for simple astrophotography.

M31 - the biggest galaxy (relatively, as seen from Earth).

The image above was made with SMC-M Pentax M 135/3.5 at 5.6 and 25 sec. subs combined in astrophotography sofware (total integration time was mere 12 mins), Pentax K-r at ISO 1600 and Astrotracer.

Crossposted to the M-lenses Lens Club

That's not a lot worse than the Palomar pic on the cover of my astronomy textbook in the late 60s!

Piotrek K · 11-17-2023, 08:21 AM

Thank you! It is easy task and lot of fun with Astrotracer. 100 - 200 mm lenses are manageable for the device, longer ones, not so easy.

jcdoss · 12-13-2023, 12:36 PM

Grapevine Landscape by Jason Doss
Pentax K-1 mII Limited Silver and Pentax-M 150mm f3.5 at f16, 1/90s, and ISO 200

Trellis by Jason Doss
Pentax K-1 mII Limited Silver and Pentax-M 150mm f3.5 at f3.5, 1/1000s, and ISO 200

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07-06-2022, 07:45 AM	#46
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII Limited Silver and M150f3.5 at f4.0 Last edited by jcdoss; 07-16-2022 at 10:07 AM.

07-16-2022, 10:09 AM	#47
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII and K105f2.8 at f8

08-10-2022, 12:34 PM	#48
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII Limited Silver and M150f3.5 at f11

12-14-2022, 02:13 PM - 1 Like	#49
ehrwien Site Supporter Join Date: May 2016 Posts: 2,784	smc D FA 100mm WR macro on K-1 Sunset #2

06-15-2023, 02:19 PM	#50
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII Limited Silver and M150f3.5 at f8.0, 1/250s, and ISO 200

07-22-2023, 07:26 AM	#51
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII and Pentax-M 150mm f3.5 at f5.6, 1/250s, and ISO 400

08-05-2023, 01:06 PM	#52
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII and Pentax-M 120mm f2.8 at f5.6, 1/180s, and ISO 100 ---------- Post added 5th Aug 2023 at 14:08 ---------- Pentax K-1 mII and Pentax-M 120mm f2.8 at f5.6, 1/250s, and ISO 100

08-06-2023, 09:59 AM	#53
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII and Pentax-M 150mm f3.5 at f5.6, 1/250s, and ISO 400

08-30-2023, 11:15 AM	#54
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII and Pentax-M 150mm f3.5 at f11, 1/90s, and ISO 400

09-04-2023, 05:25 AM - 1 Like	#55
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII and Pentax-M 150mm f3.5 at f8.0, 1/45s, and ISO 400

09-05-2023, 11:23 AM	#56
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Pentax K-1 mII Limited Silver and Pentax-A 100mm f2.8 Macro with 1.4x-S Converter-A at f5.6, 1/4000s, and ISO 1600

11-17-2023, 08:15 AM - 2 Likes	#57
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	The 100 - 200 mm lenses are easily used with Pentax Astrotracer (O-GPS unit) for simple astrophotography. M31 - the biggest galaxy (relatively, as seen from Earth). The image above was made with SMC-M Pentax M 135/3.5 at 5.6 and 25 sec. subs combined in astrophotography sofware (total integration time was mere 12 mins), Pentax K-r at ISO 1600 and Astrotracer. Crossposted to the M-lenses Lens Club

11-17-2023, 08:17 AM	#58
jgnfld Moderator Loyal Site Supporter Join Date: Feb 2015 Location: Avalon Peninsula, Newfoundland Photos: Gallery \| Albums Posts: 1,799	Originally posted by Piotrek K The 100 - 200 mm lenses are easily used with Pentax Astrotracer (O-GPS unit) for simple astrophotography. M31 - the biggest galaxy (relatively, as seen from Earth). The image above was made with SMC-M Pentax M 135/3.5 at 5.6 and 25 sec. subs combined in astrophotography sofware (total integration time was mere 12 mins), Pentax K-r at ISO 1600 and Astrotracer. Crossposted to the M-lenses Lens Club That's not a lot worse than the Palomar pic on the cover of my astronomy textbook in the late 60s!

11-17-2023, 08:21 AM	#59
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	Thank you! It is easy task and lot of fun with Astrotracer. 100 - 200 mm lenses are manageable for the device, longer ones, not so easy.

12-13-2023, 12:36 PM	#60
jcdoss Pentaxian Join Date: Nov 2012 Location: Ingelheim am Rhein, Germany Photos: Gallery \| Albums Posts: 6,802 Original Poster	Grapevine Landscape by Jason Doss Pentax K-1 mII Limited Silver and Pentax-M 150mm f3.5 at f16, 1/90s, and ISO 200 Trellis by Jason Doss Pentax K-1 mII Limited Silver and Pentax-M 150mm f3.5 at f3.5, 1/1000s, and ISO 200

Mid-Telephoto Club 100mm-200mm

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