Tamron c-mount lens 75mm f3.9 on Pentax-Q7

ferrick · 10-08-2017, 08:27 PM

Originally posted by raider

Wow. Well done. It is amazing that you can get such a sharp pic without focus peaking. Did you try to pixel peel to see if it is really "sharp"?

Actually I found focus peaking cannot achieve my desired outcomes when focusing. When you enlarge it x4, what you see in the screen is what you get. Yes, I did pixel peel it "when I did the focusing"!

Piotrek K · 10-09-2017, 01:17 AM

I just bought me this lens from Ebay for just 20 USD including international shipping. Thank you one more time for starting this thread!

raider · 10-10-2017, 04:57 PM

Originally posted by Piotrek K

I just bought me this lens from Ebay for just 20 USD including international shipping. Thank you one more time for starting this thread!

Good price. I did a search on eBay but could not find anything in that price range. Which eBay seller did you buy from?

Piotrek K · 10-10-2017, 11:50 PM

Originally posted by raider

Good price. I did a search on eBay but could not find anything in that price range. Which eBay seller did you buy from?

I won auction with just one other bid. Seller's name is yeny (German eBay) but for now he has no active auction.

raider · 10-11-2017, 05:07 AM

Originally posted by Piotrek K

I won auction with just one other bid. Seller's name is yeny (German eBay) but for now he has no active auction.

Thanks. I will keep a keen eye on other listing.

Piotrek K · 12-27-2017, 02:01 PM - **4 Likes**

I hope it is OK to post own images here as I finally got a chance to use mine on the genuine Q. This lens is super - thank you for showing it is worth to purchase!

It seems to be perfectly usable wide open (all images above at f 3.9, whole frames from RAW).

ferrick · 01-02-2018, 03:48 AM

Wow! Great job! This lens is really something.

Originally posted by Piotrek K

I hope it is OK to post own images here as I finally got a chance to use mine on the genuine Q. This lens is super - thank you for showing it is worth to purchase!

It seems to be perfectly usable wide open (all images above at f 3.9, whole frames from RAW).

Piotrek K · 01-03-2018, 02:39 AM

Thank you! Until now I used it only wide-open, have to check if it will get sharper at f5.6.

2old4toys · 04-03-2018, 06:32 PM

Is this lens useable on larger sensors such as MFT or only good for Q without vignettes?
Thanks in advance

Piotrek K · 04-04-2018, 02:01 AM - **1 Like**

No clue on MFT, but tested it on APS-C mirrorless and it covered just part of the sensor.

Originally posted by 2old4toys

Is this lens useable on larger sensors such as MFT or only good for Q without vignettes?
Thanks in advance

...anyway it is great for the Q! Tested it yesterday for close focus (+/- 1,5 m) and it is good also for this purpose. Just one image (f8, genuine Q) as it was late and partly cloudy.

Piotrek K · 04-08-2018, 02:01 PM - **2 Likes**

...and now with the lens close to its MFD (0,5 m)

Piotrek K · 07-25-2018, 02:26 PM - **1 Like**

I decided I do not bring any "real" (DSLR) telephoto for my backpacking vactaions. I took a Q with 2 c-mount lenses instead and I'm quite happy. The two images above are details of a wooden church in Norway.

bladawiec · 09-22-2018, 05:07 AM

Thank you for information about this lens! I bought it too.
I was looking for a small telephoto lens for Q and this is in my opinion the better solution than the 70mm lens for Pentax 110. Despite the fact that the Tamron is near one stop darker, in my opinion it provides better resolution and sharpness, it is smaller and it has aperture control. Great little lens.

ferrick · 09-22-2018, 05:46 PM

Originally posted by bladawiec

Thank you for information about this lens! I bought it too.
I was looking for a small telephoto lens for Q and this is in my opinion the better solution than the 70mm lens for Pentax 110. Despite the fact that the Tamron is near one stop darker, in my opinion it provides better resolution and sharpness, it is smaller and it has aperture control. Great little lens.

Totally agree with you! Enjoy. : )

Piotrek K · 09-29-2018, 12:44 PM - **1 Like**

This lens is small, so great for snaps during family outings.

09-22-2018, 05:07 AM	#28
bladawiec Junior Member Join Date: Jun 2013 Location: Poland Posts: 45	Thank you for information about this lens! I bought it too. I was looking for a small telephoto lens for Q and this is in my opinion the better solution than the 70mm lens for Pentax 110. Despite the fact that the Tamron is near one stop darker, in my opinion it provides better resolution and sharpness, it is smaller and it has aperture control. Great little lens. Last edited by bladawiec; 09-22-2018 at 11:56 AM.

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10-08-2017, 08:27 PM	#16
ferrick New Member Join Date: Jul 2016 Posts: 16 Original Poster	Originally posted by raider Wow. Well done. It is amazing that you can get such a sharp pic without focus peaking. Did you try to pixel peel to see if it is really "sharp"? Actually I found focus peaking cannot achieve my desired outcomes when focusing. When you enlarge it x4, what you see in the screen is what you get. Yes, I did pixel peel it "when I did the focusing"!

10-09-2017, 01:17 AM	#17
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	I just bought me this lens from Ebay for just 20 USD including international shipping. Thank you one more time for starting this thread!

10-10-2017, 04:57 PM	#18
raider Veteran Member Join Date: Jul 2007 Location: Perth, Australia Photos: Gallery Posts: 1,989	Originally posted by Piotrek K I just bought me this lens from Ebay for just 20 USD including international shipping. Thank you one more time for starting this thread! Good price. I did a search on eBay but could not find anything in that price range. Which eBay seller did you buy from?

10-10-2017, 11:50 PM	#19
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	Originally posted by raider Good price. I did a search on eBay but could not find anything in that price range. Which eBay seller did you buy from? I won auction with just one other bid. Seller's name is yeny (German eBay) but for now he has no active auction.

10-11-2017, 05:07 AM	#20
raider Veteran Member Join Date: Jul 2007 Location: Perth, Australia Photos: Gallery Posts: 1,989	Originally posted by Piotrek K I won auction with just one other bid. Seller's name is yeny (German eBay) but for now he has no active auction. Thanks. I will keep a keen eye on other listing.

12-27-2017, 02:01 PM - 4 Likes	#21
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	I hope it is OK to post own images here as I finally got a chance to use mine on the genuine Q. This lens is super - thank you for showing it is worth to purchase! It seems to be perfectly usable wide open (all images above at f 3.9, whole frames from RAW).

01-02-2018, 03:48 AM	#22
ferrick New Member Join Date: Jul 2016 Posts: 16 Original Poster	Wow! Great job! This lens is really something. Originally posted by Piotrek K I hope it is OK to post own images here as I finally got a chance to use mine on the genuine Q. This lens is super - thank you for showing it is worth to purchase! It seems to be perfectly usable wide open (all images above at f 3.9, whole frames from RAW).

01-03-2018, 02:39 AM	#23
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	Thank you! Until now I used it only wide-open, have to check if it will get sharper at f5.6.

04-03-2018, 06:32 PM	#24
2old4toys Pentaxian Join Date: Jan 2018 Posts: 391	Is this lens useable on larger sensors such as MFT or only good for Q without vignettes? Thanks in advance

04-04-2018, 02:01 AM - 1 Like	#25
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	No clue on MFT, but tested it on APS-C mirrorless and it covered just part of the sensor. Originally posted by 2old4toys Is this lens useable on larger sensors such as MFT or only good for Q without vignettes? Thanks in advance ...anyway it is great for the Q! Tested it yesterday for close focus (+/- 1,5 m) and it is good also for this purpose. Just one image (f8, genuine Q) as it was late and partly cloudy.

04-08-2018, 02:01 PM - 2 Likes	#26
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	...and now with the lens close to its MFD (0,5 m)

07-25-2018, 02:26 PM - 1 Like	#27
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	I decided I do not bring any "real" (DSLR) telephoto for my backpacking vactaions. I took a Q with 2 c-mount lenses instead and I'm quite happy. The two images above are details of a wooden church in Norway.

09-22-2018, 05:46 PM	#29
ferrick New Member Join Date: Jul 2016 Posts: 16 Original Poster	Originally posted by bladawiec Thank you for information about this lens! I bought it too. I was looking for a small telephoto lens for Q and this is in my opinion the better solution than the 70mm lens for Pentax 110. Despite the fact that the Tamron is near one stop darker, in my opinion it provides better resolution and sharpness, it is smaller and it has aperture control. Great little lens. Totally agree with you! Enjoy. : )

09-29-2018, 12:44 PM - 1 Like	#30
Piotrek K Pentaxian Join Date: Dec 2012 Photos: Gallery Posts: 1,384	This lens is small, so great for snaps during family outings.