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05-13-2021, 08:27 PM   #31
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Another vote for the Bigma's , not exactly sure which is the sharpest, most probably the APO versions, but those using will know, otherwise, size and weight wise, the Sigma APO 120-400 would be ok.
I tried the very first 135-400, and was not impressed, one would say I was, unimpressed.

05-14-2021, 12:37 AM   #32
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The Sigma 120-400 is not very impressive too. The 150-500 performs better.
05-14-2021, 03:38 AM   #33
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QuoteOriginally posted by csa Quote
. . . I can't go over $600-800; so any suggestions? I do want to stay with a zoom, if possible. I have a 300, but use it seldom.
I think the budget will be the down fall

unless you get extremely lucky or might be interested in this non zoom " combination " lens with it's M 42 " rear end "

QuoteQuote:
For Sale: Pentax K 500mm 4.5 lens with M42 mount
Listed: 05-11-21, 21:33 Total Price: 298 Currency: USD Item Location: United States City or State: Hockessin Shipping Destinations: Worldwide
https://www.pentaxforums.com/forums/24-photographic-equipment-sale/424869-sa...m42-mount.html



QuoteQuote:
Pentax Lens Review Database Ľ Film Era Pentax K-Mount Lenses Ľ K Prime Lenses
SMC Pentax 500mm F4.5
Post a Review
Sharpness 9.0
Aberrations 7.0
Bokeh 8.5
Handling 7.4
Value 9.6


Description:
This focal length is unique to the K series. It is based on the screw mount Takumar 500mm F4.5 lens.

Read more at: https://www.pentaxforums.com/lensreviews/SMC-Pentax-K-500mm-F4.5-Lens.html

I wish you all the best, both in your lens search and other issues

Last edited by aslyfox; 05-14-2021 at 03:47 AM.
05-14-2021, 05:42 AM   #34
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QuoteOriginally posted by csa Quote
I'm very happy with the results, but want a little more "reach". I have a 300, but use it seldom.
I do want to stay with a zoom, if possible.I can't go over $600-800;

so any suggestions?
You can use the Sigma 300mm f4 and add a TC.

With a budget just <$800 you won't get many options better than the 55-300 PLM.Maybe the 55-300 WR.
<= F5.8 Zoom Lenses with Autofocus | PentaxForums.com

05-15-2021, 06:20 AM   #35
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Just found a Pentax DA*300, excellent condition, for $700!

Now, will my Tamron 1.4x PZ MC4 work with it?
05-15-2021, 06:26 AM - 1 Like   #36
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QuoteOriginally posted by csa Quote
Just found a Pentax DA*300, excellent condition, for $700!

Now, will my Tamron 1.4x PZ MC4 work with it?
It absolutely will.
05-15-2021, 06:47 AM   #37
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Great! Thank you! Very excited to get this lens!

05-15-2021, 07:45 AM   #38
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Seems redundant with your Sigma 300/4... or is your copy not so good?
05-15-2021, 08:00 AM - 1 Like   #39
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I'll be selling the Sigma, as the *300 has been on my wish list for quite some time.
05-15-2021, 08:53 PM - 1 Like   #40
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QuoteOriginally posted by csa Quote
I'll be selling the Sigma, as the *300 has been on my wish list for quite some time.
My advice: if you are sticking to apsc (KP I think you said was your next body) then try to eventually grab the DA HD 1.4x as it will setup your in body image stabilization correctly and your Exif data. Plus itís got great image quality.
05-15-2021, 09:37 PM   #41
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QuoteOriginally posted by UncleVanya Quote
My advice: if you are sticking to apsc (KP I think you said was your next body) then try to eventually grab the DA HD 1.4x as it will setup your in body image stabilization correctly and your Exif data. Plus itís got great image quality.

+1!
I have that combo and it works well.


05-16-2021, 05:40 AM   #42
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QuoteOriginally posted by UncleVanya Quote
My advice: if you are sticking to apsc (KP I think you said was your next body) then try to eventually grab the DA HD 1.4x as it will setup your in body image stabilization correctly and your Exif data. Plus itís got great image quality.
Thanks UncleVanya! I'll definitely look for one of those!
05-16-2021, 05:39 PM - 2 Likes   #43
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QuoteOriginally posted by csa Quote
Now, will my Tamron 1.4x PZ MC4 work with it?
I've used the K3, DA*300, Tamron-F 1.4 TC combination for a few years and this post sums up my thoughts.

I don't think it has much effect on shake reduction but I'm still looking for a Pentax DA HD 1.4x at the right price.

Oh, the combination works even better on the K3-III.
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