Adapted lenses tested on the Q : the reference thread

**barondla** · 09-17-2019, 09:43 PM - **1 Like**

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Originally posted by rmcnelly

Shot low in the sky in some haze.
Pentax Q-S1 w/Tamron 55B SP 500mm/8, no crop.

Looks excellent. Tamron makes great mirror lenses.

rmcnelly · 09-21-2019, 05:20 AM - **3 Likes**

Pentax Q-S1 w/Tamron 55B SP 500mm/8 mirror, no crop.

**kwb** · 09-21-2019, 11:43 PM

Originally posted by rmcnelly

Pentax Q-S1 w/Tamron 55B SP 500mm/8 mirror, no crop.

Awesome shots, Rick!

**kwb** · 10-02-2019, 10:36 PM

All, I just updated the adapted lens table, thank you everybody for your submission and sorry it took me so long (~14 months).

Rick, I put your Tamron 55B SP 500mm/8 mirror submissions under 'Q7 and Q-S1 other mount" category, assuming (from exif) that your Adaptall adapter is not K mount. If this is incorrect please let me know.

Last edited by kwb; 10-03-2019 at 08:08 PM. Reason: fixing typo

rmcnelly · 10-03-2019, 02:57 AM

Originally posted by kwb

All, I just updated the adapted lens table, thank you everybody for your submission and sorry it took me so long (~14 months).

Rick, I put your Tamron 55B SP 500mm/8 mirror submissions under 'Q7 and Q-S1 other mount" category, assuming (from exif) that your Adaptrall adapter is not K mount. If this is incorrect please let me know.

Correct, not K mount.

Piotrek K · 10-03-2019, 04:18 AM - **3 Likes**

Some more examples from Tamron CCTV lens (16/1.4; C-mount) with the genuine Q. One can find more info and photos in other post:

#1100

rmcnelly · 10-04-2019, 02:57 PM - **1 Like**

Pentax Q-S1 w/Tamron 55B SP 500mm/8, no crop.

rmcnelly · 10-05-2019, 05:46 PM - **2 Likes**

Moon tonight. Left this in color.
Q-S1 w/Tamron 55B SP 500mm/8 Mirror

**kwb** · 10-06-2019, 12:40 PM

Originally posted by rmcnelly

Correct, not K mount.

Thanks Rick for confirmation. Your moon shots are really impressive.

Originally posted by Piotrek K

Some more examples from Tamron CCTV lens (16/1.4; C-mount) with the genuine Q. One can find more info and photos in other post:

#1100

Cool star-shaped bokeh on the last one!

**ivanvernon** · 10-06-2019, 03:31 PM

I have been using a zoom lens, the Canon-FD 35-70mm f 3.5-4.5 Macro. It provides a good clear image and is flexible as a zoom but a little difficult for hand-holding.

Piotrek K · 10-07-2019, 02:10 AM

Originally posted by kwb

Cool star-shaped bokeh on the last one!

Yes, it i s not easy to get it (aperture is star-shaped only on a few settings), but I definitely like it.

rmcnelly · 10-08-2019, 08:56 AM

Originally posted by Cipher

Is this the lens, and is that a good price?

Yes it is that lens, no that is not a good price. You can find them for less than $100 shipped, with case and filters if you are patient and have good search skills.

Phenix jc · 10-09-2019, 03:45 AM

Originally posted by rmcnelly

Yes it is that lens, no that is not a good price. You can find them for less than $100 shipped, with case and filters if you are patient and have good search skills.

There are 2 models, older and newer, "B" and "BB", the older has a tripod mount. It's said to be slighty better at infinity (but no proof), the newer is better for macro. (Pseudo macro).
Your sample seems to be excellent.

**S.M.** · 05-30-2020, 01:36 AM - **2 Likes**

The Schneider-Kreuznach Makro-Tele-Xenar 75mm F2.8 is a C mount lens, unfortunately differently from the lenses in D mount his best aperture is not that wide but is 5.6 even if is not bad more open, because of that and the fact it is between my two sharpest K lenses as focal I put that with them.

The SMC Pentax 50mm F1.4 is very soft and with many color problem at F1.4 and so is completly unusable on this small sensor, at F2 is a bit less soft and don't have color problems, at f2.8 is good without color problem and quite sharp and at F5.6 is very good.

The Schneider-Kreuznach Makro-Tele-Xenar 75mm F2.8 is quite sharp at F2.8 but present some color problem, at F5.6 is very good.

The SMC Pentax-FA 100mm F2.8 Macro is soft at F2.8 and at F5.6 is very good.

As a Macro the Schneider 75mm reach only a 1:2 ratio and if compared with the Pentax 100mm at the same ratio both do their best at 5.6 but probably the Pentax is slightly better, at higer aperture (4 and 2.8) the Schneider 75mm is clearly better than the Pentax 100mm, at lower aperture they do not have many different optical quality.

A good thing of the Schneider is that is fairly small and so easy to bring in wathever occasion.

The photos are
1 and 2: Schneider 75mm at F5.6 and a crop at 100%
3, 4 and 5: Pentax 50mm at F1.4, F2 and F2.8
6: Schneider 75mm at F2.8
7: Pentax 100mm at F2.8
8 and 9: Pentax 50mm at F5.6 and a crop at 100%
10, 11 and 12: Schneider 75mm at F5.6 and two crop at 100%
13, 14 and 15: Pentax 100mm at F5.6 and two crop at 100%

murrelet · 01-15-2021, 03:07 PM

Pentax Q, Ricoh Auto Rikenon EE 200mm F3.5 M42 Mount

10-02-2019, 10:36 PM	#1129
kwb Site Supporter Join Date: Mar 2015 Location: Pacific North West Photos: Gallery \| Albums Posts: 1,223	Adapted lens table was updated All, I just updated the adapted lens table, thank you everybody for your submission and sorry it took me so long (~14 months). Rick, I put your Tamron 55B SP 500mm/8 mirror submissions under 'Q7 and Q-S1 other mount" category, assuming (from exif) that your Adaptall adapter is not K mount. If this is incorrect please let me know. Last edited by kwb; 10-03-2019 at 08:08 PM. Reason: fixing typo

10-03-2019, 04:18 AM - 3 Likes	#1131
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	Tamron CCTV 16/1.4 Some more examples from Tamron CCTV lens (16/1.4; C-mount) with the genuine Q. One can find more info and photos in other post: #1100

10-06-2019, 12:40 PM	#1134
kwb Site Supporter Join Date: Mar 2015 Location: Pacific North West Photos: Gallery \| Albums Posts: 1,223	Originally posted by rmcnelly Correct, not K mount. Thanks Rick for confirmation. Your moon shots are really impressive. Originally posted by Piotrek K Some more examples from Tamron CCTV lens (16/1.4; C-mount) with the genuine Q. One can find more info and photos in other post: #1100 Cool star-shaped bokeh on the last one! Last edited by kwb; 10-06-2019 at 10:16 PM. Reason: typo "cook" -> "cool"

10-06-2019, 03:31 PM	#1135
ivanvernon Loyal Site Supporter Join Date: Oct 2012 Location: Medina, OH Photos: Albums Posts: 7,224	Canno lens on Q I have been using a zoom lens, the Canon-FD 35-70mm f 3.5-4.5 Macro. It provides a good clear image and is flexible as a zoom but a little difficult for hand-holding.

10-09-2019, 03:45 AM	#1138
Phenix jc Senior Member Join Date: Jan 2015 Posts: 105	Originally posted by rmcnelly Yes it is that lens, no that is not a good price. You can find them for less than $100 shipped, with case and filters if you are patient and have good search skills. There are 2 models, older and newer, "B" and "BB", the older has a tripod mount. It's said to be slighty better at infinity (but no proof), the newer is better for macro. (Pseudo macro). Your sample seems to be excellent. Last edited by Phenix jc; 10-09-2019 at 03:51 AM.

09-17-2019, 09:43 PM - 1 Like	#1126
barondla Site Supporter Join Date: Sep 2006 Location: midwest, United States Photos: Gallery \| Albums Posts: 5,714	Staff note: This post may contain affiliate links, which means Pentax Forums may earn a small commission if a visitor clicks through and makes a purchase. If you would like to support the forum directly, you may also make a donation here. Originally posted by rmcnelly Shot low in the sky in some haze. Pentax Q-S1 w/Tamron 55B SP 500mm/8, no crop. Looks excellent. Tamron makes great mirror lenses.

09-21-2019, 05:20 AM - 3 Likes	#1127
rmcnelly Forum Member Join Date: Mar 2017 Location: Portsmouth, VA Posts: 94	Pentax Q-S1 w/Tamron 55B SP 500mm/8 mirror, no crop.

09-21-2019, 11:43 PM	#1128
kwb Site Supporter Join Date: Mar 2015 Location: Pacific North West Photos: Gallery \| Albums Posts: 1,223	Originally posted by rmcnelly Pentax Q-S1 w/Tamron 55B SP 500mm/8 mirror, no crop. Awesome shots, Rick!

10-03-2019, 02:57 AM	#1130
rmcnelly Forum Member Join Date: Mar 2017 Location: Portsmouth, VA Posts: 94	Originally posted by kwb All, I just updated the adapted lens table, thank you everybody for your submission and sorry it took me so long (~14 months). Rick, I put your Tamron 55B SP 500mm/8 mirror submissions under 'Q7 and Q-S1 other mount" category, assuming (from exif) that your Adaptrall adapter is not K mount. If this is incorrect please let me know. Correct, not K mount.

10-04-2019, 02:57 PM - 1 Like	#1132
rmcnelly Forum Member Join Date: Mar 2017 Location: Portsmouth, VA Posts: 94	Pentax Q-S1 w/Tamron 55B SP 500mm/8, no crop.

10-05-2019, 05:46 PM - 2 Likes	#1133
rmcnelly Forum Member Join Date: Mar 2017 Location: Portsmouth, VA Posts: 94	Moon tonight. Left this in color. Q-S1 w/Tamron 55B SP 500mm/8 Mirror

10-07-2019, 02:10 AM	#1136
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	Originally posted by kwb Cool star-shaped bokeh on the last one! Yes, it i s not easy to get it (aperture is star-shaped only on a few settings), but I definitely like it.

10-08-2019, 08:56 AM	#1137
rmcnelly Forum Member Join Date: Mar 2017 Location: Portsmouth, VA Posts: 94	Originally posted by Cipher Is this the lens, and is that a good price? Yes it is that lens, no that is not a good price. You can find them for less than $100 shipped, with case and filters if you are patient and have good search skills.

01-15-2021, 03:07 PM	#1140
murrelet Pentaxian Join Date: Dec 2007 Location: Portland, OR, USA Photos: Gallery \| Albums Posts: 506	Ricoh Auto Rikenon EE 200mm F3.5 M42 Mount Pentax Q, Ricoh Auto Rikenon EE 200mm F3.5 M42 Mount

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