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03-06-2013, 08:49 AM   #1
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100-300mm Lens for work

I am looking for an inexpensive ~xxx-300mm lens for work. I am looking to use my k10d with lens. My 70-210mm is not long enough at times. Will be during day time, no night shooting. I am not trying to win any awards but has to be decently clear/sharp. This will predominantly be used while I am surveying the exterior facades of 12-25 story buildings. When I come across damaged elements, I need to document them for inclusion in a report and/or merely to quantify once I return to my office. I have access to a tripod (work's or my own) but I usually hand hold and steady myself/lean against the nearest tree/lamp post/fence/etc. Used preferably ~/>$100-$125.

Choices:
Sigma 100-300
Sigma 100-300mm F4.5-6.7 DL Lens Reviews - Sigma Lenses - Pentax Lens Review Database
FA 100-300 (silver/black)
SMC Pentax-FA 100-300mm F4.7-5.8 Reviews - FA Zoom Lenses - Pentax Lens Reviews & Lens Database
F 100-300
SMC Pentax-F 100-300mm F4.5-5.6 Reviews - F Zoom Lenses - Pentax Lens Reviews & Lens Database

It seems the FA 100-300(silver/black) takes the cake.. I'm thinking any of these would do for the purpose I need them...?? Comments..

03-06-2013, 09:01 AM   #2
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As examples, some shots with Quantaray 70-300. relatively cheap lens. I bought the one at $65.











03-06-2013, 09:07 AM   #3
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The Tamron 70-300 might be worth considering, too. It's susceptable to purple fringing, but that doesn't sound like its a big concern.
03-06-2013, 09:41 AM   #4
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The Sigma 70-300 is also very inexpensive and does a good job stopped down and in good light. KEH had some used ones around $60. Quantaray 70-300 will be either rebadged Tamrons or Sigmas. Ritz bought them from both through the years. How to tell? 58mm filter is a Sigma and 62mm is a Tamron.

03-06-2013, 10:44 AM   #5
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Tamron adaptall SP60-300. It's a fine lens if you don't mind focusing.
03-06-2013, 10:49 AM   #6
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Thanks for the suggestions and sample photos guys. I am eyeing a Tamron 70-300 now.

QuoteOriginally posted by civiletti Quote
Tamron adaptall SP60-300. It's a fine lens if you don't mind focusing.
No go. Time is money. Can't stand there focusing manually. Rather have AF. Thanks tho.
03-06-2013, 01:20 PM   #7
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Have you considered the Pentax DA 55-300?

SMC Pentax-DA 55-300mm F4-5.8 ED Reviews - DA Zoom Lenses - Pentax Lens Reviews & Lens Database

Or the less expensive "L" version:

SMC Pentax-DA L 55-300mm F4-5.8 ED Reviews - DA L Zoom Lenses - Pentax Lens Reviews & Lens Database

In my opinion this lens is a sleeper in the Pentax line - very sharp at the long end in good light.
03-06-2013, 01:31 PM   #8
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The L version is worth considering.

I can directly compare the Tammy 70-300 to the DA 55-300 (non-L) and on my K-5 the DA is much better concerning purple fringing. The Tammy was always accurate and quick, and served me well on the K-10. On the K-5 the fringing seemed much worse - whether because images are larger or the sensor is more sensitive to this abberation.

The 55-300 seems sharper 200mm+ but the Tamron was no slouch.

03-06-2013, 02:40 PM   #9
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The DA L 55-300 is an excellent lens but might exceed the OP's $125 budget. In my opinion, it's Pentax's best value. Reasonably sharp, low aberrations, compact, nearly 6x zoom range, and relatively inexpensive. Add a $10 collapsible rubber hood to it.
03-06-2013, 02:44 PM   #10
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QuoteOriginally posted by DeadJohn Quote
The DA L 55-300 is an excellent lens but might exceed the OP's $125 budget. In my opinion, it's Pentax's best value. Reasonably sharp, low aberrations, compact, nearly 6x zoom range, and relatively inexpensive. Add a $10 collapsible rubber hood to it.
Why not a $4.00 PH-RGB clone from China?
03-06-2013, 02:57 PM   #11
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QuoteOriginally posted by DeadJohn Quote
The DA L 55-300 is an excellent lens but might exceed the OP's $125 budget. In my opinion, it's Pentax's best value. Reasonably sharp, low aberrations, compact, nearly 6x zoom range, and relatively inexpensive. Add a $10 collapsible rubber hood to it.
you are right. Used it is still above my price point right now. I will eventually like to scoop up a 55-300 WR but that won't be for work. Thanks for the info all. I just got a Tamron 70-300 off the auction site. Will see how it fairs. Thanks again.
03-07-2013, 12:05 PM   #12
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I am fond of the FA 100-300.
I have two copies, one of which is slightly sharper than the other.
03-07-2013, 06:11 PM   #13
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If you can find a copy of the Sigma 100-300mm f/4 APO EX*, get it! is is an excellent lens that covers a very useful range.



*this lens has been discontinued by sigma, but there might be a a few floating around on the second hand market.
03-18-2013, 08:39 AM   #14
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QuoteOriginally posted by Digitalis Quote
If you can find a copy of the Sigma 100-300mm f/4 APO EX*, get it! is is an excellent lens that covers a very useful range.

*this lens has been discontinued by sigma, but there might be a a few floating around on the second hand market.
That is one sharp lens! A bit out of my price range, especially for work. Don't need a constant aperture but personally, I'd like one eventually. Thanks for the suggestion.


So I ended up with the Tamron 70-300mm (model 772d) with the 1:2 macro feature in black. I have had a good experience with Tamron with my 17-50 f2.8. Got this one fairly cheap used on the auction site. It's in like new condition with caps and hood. I did a couple test shots and seems to work well, I will take it through my normal paces once I have to survey my next building.

Why no reviews here: Tamron AF 70-300mm F/4-5.6 LD Tele-Macro [1:2] (Model 772D) Lens Reviews - Tamron Lenses - Pentax Lens Review Database

No one has this lens?? I'll try and get a review up after I have it for a few months.
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