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Forum: Pentax SLR Lens Discussion 02-22-2019, 07:37 PM  
Birds on a Budget
Posted By boriscleto
Replies: 38
Views: 4,316
I tend to be a photographer first and a birder second...I'm not that good at ID in the field so I use the photos...

https://search.macaulaylibrary.org/catalog?sort=obs_date_desc&searchField=us...q=Ben%20McGann

I started out with a K-x and a Promaster 100-400 F4.5-6.7, switched to the DA L 55-300, switched to the K-5, switched to the 150-500 in 2014. These photos cover that range...

https://search.macaulaylibrary.org/catalog?yr=YCUSTOM&sort=obs_date_asc&ey=2...q=Ben%20McGann

It's been a couple of years since I've been able to put any real time into the hobby...
Forum: Pentax SLR Lens Discussion 02-22-2019, 06:09 AM  
Birds on a Budget
Posted By boriscleto
Replies: 38
Views: 4,316
I don't know about the K-3, I used that combo with my K-5. I only stopped using it because I got the 150-500...I bought a HD 55-300 when B&H was doing the half off sale last year because I wanted something that was lighter and WR sometimes, but I don't have the TC anymore.
Forum: Pentax SLR Lens Discussion 02-21-2019, 09:28 PM  
Birds on a Budget
Posted By boriscleto
Replies: 38
Views: 4,316
The Vivitar always got along with my DA L 55-300...The 55-300 wouldn't focus at longer focal lengths with the 2x...
Forum: Pentax SLR Lens Discussion 02-21-2019, 07:38 PM  
Birds on a Budget
Posted By boriscleto
Replies: 38
Views: 4,316
Because it's $500...If you want to go the TC route look for the Vivitar Series 1 1.4x or the Kenko 1.5x (they are the same thing). The Tamron 1.4x PZ-AF MC4, same optical design as the other 2 but with PZ contacts.

Kenko (?Promaster et al..) AF/Pz-AF 1.4x/1.5x Teleplus.... Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database

Tamron-F 1.4X Pz-AF MC4 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database
Forum: Pentax SLR Lens Discussion 02-21-2019, 12:55 PM  
Birds on a Budget
Posted By boriscleto
Replies: 38
Views: 4,316
I think you'd be happier with the Sigma 120-400 or 150-500. If you aren't pairing the 1.4 with the DA/FA* 300 or 150-450 it just isn't worth it.
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