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06-22-2016, 01:53 PM   #1
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Need advice - for the K3: choice between D FA* 70-200 with TC or D FA 150-500

Ok folks, this is not for me !
My daughter has a K3 and would like to know which of the following lenses would be better for her usage:

D FA* 70-200/2.8 with a TC (probably the HD 1.4X)
or
D FA 150-450/4-5.6

She doesn't mind the weight of either lens and she is trying to get the best gear for her K3 for "reach" (birds and wildlife at distance) and great IQ.
I already told her that those lenses weigh a ton !

Any pointers (links to other threads) would be appreciated and I apologize if this has been already discussed .... or maybe the mod's will just retire this thread accordingly if need be.

Cheers!


Last edited by jpzk; 06-22-2016 at 02:11 PM.
06-22-2016, 01:59 PM   #2
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I'd go for the 150-450mm if reach is key. The difference between 280mm and 450mm is pretty big

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06-22-2016, 02:03 PM   #3
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I recently bought a 150-450mm in part because I felt my 55-300mm was too short for small birds.


I would say go with the 150-450mm, + 1.4x if possible, as it is a superb lens, and, will give you more reach than the 70-200mm +1.4x.
06-22-2016, 02:08 PM   #4
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QuoteOriginally posted by Adam Quote
I'd go for the 150-450mm if reach is key. The difference between 280mm and 450mm is pretty big
She said "70-200/2.8 with a TC ... or just the 150-450 zoom ... whichever would be best.
Of course, with the 70-200, that's only equivalent to what .... 280mm ?
Anyway, I'll tell her that for "reach" she's better off with that 150-450 zoom.

---------- Post added 06-22-16 at 05:09 PM ----------

QuoteOriginally posted by AutoGOD Quote
I recently bought a 150-450mm in part because I felt my 55-300mm was too short for small birds.


I would say go with the 150-450mm, + 1.4x if possible, as it is a superb lens, and, will give you more reach than the 70-200mm +1.4x.
Thanks !
And how's the resulting IQ with this zoom lens and the TC at 450mm on the K3 ?

06-22-2016, 02:27 PM   #5
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QuoteOriginally posted by jpzk Quote
She said "70-200/2.8 with a TC ... or just the 150-450 zoom ... whichever would be best.
Of course, with the 70-200, that's only equivalent to what .... 280mm ?
Anyway, I'll tell her that for "reach" she's better off with that 150-450 zoom.

---------- Post added 06-22-16 at 05:09 PM ----------



Thanks !
And how's the resulting IQ with this zoom lens and the TC at 450mm on the K3 ?
See here:
HD Pentax-D FA 150-450mm F4.5-5.6 Review - Introduction | PentaxForums.com Reviews

There should also be plenty of examples with the TC on the forum. I remember a specific thread with samples

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06-22-2016, 02:28 PM   #6
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OK folks, I think I am done with my search!!

It will likely be for her the 150-450 zoom and .... (realizing how stupid I can be at times ...) found some very nice sample shots in MY OWN thread here: https://www.pentaxforums.com/forums/122-lens-clubs/294721-post-your-hd-pentax...-pictures.html
Now, for the 70-200 .... I think this will be a "not really suitable" item for her needs.

I am still welcoming further comments though, before the mod's close me down !

---------- Post added 06-22-16 at 05:29 PM ----------

QuoteOriginally posted by Adam Quote
There should also be plenty of examples with the TC on the forum. I remember a specific thread with samples
Thanks Adam ... see my post No. 6 ... total embarrassment !
06-22-2016, 02:54 PM   #7
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The DFA 150-450 is sharp, even wide open, and if you can put in the extra for the 1.4 tc it remains sharp, but can get you to 630mm @ f/8.
06-22-2016, 02:57 PM   #8
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QuoteOriginally posted by jpzk Quote
Thanks Adam ... see my post No. 6 ... total embarrassment !
Lol!


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06-22-2016, 03:21 PM   #9
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QuoteOriginally posted by VoiceOfReason Quote
The DFA 150-450 is sharp, even wide open, and if you can put in the extra for the 1.4 tc it remains sharp, but can get you to 630mm @ f/8.
Thanks!
That'll reinforce the choice .... I think she's going to have a good workout with this lens .... and hopefully .... a healthy bank account!!!
06-22-2016, 04:08 PM   #10
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Wow, 450mm with a 1.4 TC on a 1.5 crop sensor gives you an effective 945mm lens. That's a field of view of about 2º. I think that would be incredibly hard to use, especially if this is a new hobby for her.

Remind her to plan/budget for a GOOD tripod.
06-22-2016, 04:13 PM   #11
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QuoteOriginally posted by ajack Quote
Wow, 450mm with a 1.4 TC on a 1.5 crop sensor gives you an effective 945mm lens. That's a field of view of about 2º. I think that would be incredibly hard to use, especially if this is a new hobby for her.

Remind her to plan/budget for a GOOD tripod.
Well, as for the technique, of course she still has plenty to learn but she sure is getting there!
As for the tripod, she has acquired a good one recently ... not sure exactly what though, but knowing her she wouldn't go cheap!
06-22-2016, 04:44 PM   #12
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I shoot handheld with a Sigma 150-500/K-3II combination. The 150-450 is less than a quarter pound more in weight. If I was using a tripod for on the move shooting it would not be flexible enough. For stationary shooting a tripod might be useful though. The reach you will get from the 150-450 will serve you well. When you actually use it you will know the specific advantage the 450 end and having the shorter availability can give you when shooting.

Last edited by C_Jones; 06-22-2016 at 04:50 PM.
06-22-2016, 05:46 PM   #13
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QuoteOriginally posted by C_Jones Quote
I shoot handheld with a Sigma 150-500/K-3II combination. The 150-450 is less than a quarter pound more in weight. If I was using a tripod for on the move shooting it would not be flexible enough. For stationary shooting a tripod might be useful though. The reach you will get from the 150-450 will serve you well. When you actually use it you will know the specific advantage the 450 end and having the shorter availability can give you when shooting.
I think that the zoom versatility might also be a winning parameter in her final decision as she treks quite a bit in the mountains.
Having an available "wider" FOV would be quite a welcomed addition, in an all-in-one package.
I have also sent her quite a load of information, including sample shots, taken by members here, with the K3/II - 150-450 lens.
Thanks for the input!
06-22-2016, 05:46 PM   #14
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QuoteOriginally posted by ajack Quote
Wow, 450mm with a 1.4 TC on a 1.5 crop sensor gives you an effective 945mm lens. That's a field of view of about 2º. I think that would be incredibly hard to use, especially if this is a new hobby for her.

Remind her to plan/budget for a GOOD tripod.
This combination is usable handheld, but does require one to get used to it and develop a good technique.
I have been using the 150-450 + 1.4xTC on a K-3 II for a while now, and although I initially had a lot of trouble, I was able to settle into a pattern that produced a high % of sharp shots (birds).
If shooting in woodlands with a lot of shadow, it may be necessary to dispense with the 1.4xTC to get that extra stop. The K-3 II is a bit noisy at higher ISOs.
The 150-450 is an excellent lens and sharp shots at low ISO on the K-3 II have incredible detail.

Cheers,
Terry
06-22-2016, 05:53 PM   #15
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QuoteOriginally posted by tduell Quote
This combination is usable handheld, but does require one to get used to it and develop a good technique.
I have been using the 150-450 + 1.4xTC on a K-3 II for a while now, and although I initially had a lot of trouble, I was able to settle into a pattern that produced a high % of sharp shots (birds).
If shooting in woodlands with a lot of shadow, it may be necessary to dispense with the 1.4xTC to get that extra stop. The K-3 II is a bit noisy at higher ISOs.
The 150-450 is an excellent lens and sharp shots at low ISO on the K-3 II have incredible detail.

Cheers,
Terry
Thanks!

Yes, and as I mentioned earlier, she is getting there (technique-wise) and does have what seems to be a good tripod. She'll find out, eventually, if that is sufficient.
I agree with dispensing of the use of the TC in order to avoid having to crank up the ISO too much as we all know that the K3 can sometimes be "noisy". I have experienced this with my K3 + DA*300/4 plenty of times.
Interestingly, I will be able to "test" this lens when she comes over for a summer vacation ... my good old K5 shall also receive this honor (I don't really plan to use my own K3 with it since it would be redundant).

As an end note: good by D FA*70-200!

JP
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