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07-31-2015, 12:55 PM   #1
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Lens suggestions for the *istD PLEASE

At present have a Sigma18-50mm 1:3.5-5.6 DC Lens with the Pentax *istD

Most of my Pics are Landscape or in town Scenes. Particular Rivers & Lakes.

ALL of my pics ARE "HAND HELD" as I take Two Infrared Cameras and the Pentax *istD on every shoot.

Here is a Pic of the Three Sisters Mountain Peaks in Fernie B.CV. fro yesterday July 30



Any suggestions about lens (hopefully one from this Forum OK!!!) OR comments about the Pic are TRULY Welcomed.

One additional point Have tried to find the Shutter Count on Pentax module but have not been able to do so ANY suggestions please. Last Pic (Raw) shows IMPG 3333

Cheers for Years
Colin


Last edited by kamicota; 07-31-2015 at 01:04 PM.
07-31-2015, 01:10 PM   #2
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If you want a prime to take these kinds of shots, look at the DA21mm ltd. It's great for this stuff.
07-31-2015, 01:17 PM   #3
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Thank you Terry

I appreciate that suggestion.

Now just have to see if there is a one for sale on this forum FIRST

Cheers for Years
Colin
07-31-2015, 01:23 PM   #4
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18-250 f3.5-6.3 superzoom. Find one used, use nothing else for a year or at least 1000 carefully chosen shots. Then see which focal lengths you go for most. If money is tight, get a used 50-200.

If you must have a prime early on, get the 35mm DA 2.4.

07-31-2015, 01:24 PM   #5
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Boy oh Boy Terry

That --->>> DA21mm ltd.

Was way above my financial Means on Ebay. Around Can$350 to CAN$650.00

Cheers for years
Colin

---------- Post added 07-31-15 at 02:28 PM ----------

Thank you Path-Doc

Am in the exploring mode and that Zoom sounds interesting. So suppose we are off to explore ebay again as have a problem find "Specific Items" for sale on the forum

Cheers for Years
Colin
07-31-2015, 01:46 PM   #6
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The ist D doesn't support SDM/DC/HSM lenses, which restricts you from using some of the newer zoom lenses that would be sharper and more versatile than your 18-50mm, like the Sigma 17-70mm "C", the Pentax 16-85mm, or even the Pentax 17-70mm. If you do a lot of landscape shooting a body with a higher resolution sensor might make a huge difference. Have you looked at the K-50? It's ridiculously cheap, even new, and would let you use the aforementioned lenses. Plus, in-camera lens corrections would be available for Pentax lenses.

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07-31-2015, 01:55 PM   #7
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Thank you Adam

Again the K-50 may be out of the Price range when all that seems NECESSARY right now is a lens.

Because have given the K10D to a friend yet still want to explore the *istD CCD sensor. Yet why I am in that frame of mind still beats me

Cheers for Years
Colin
07-31-2015, 01:55 PM   #8
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The 6 megapixel CCD sensor in the *istD works wonderfully well with legacy lenses. If you're comfortable with manual focus and metering then M series prime lenses would be a good place to start. The M28mm/2.8 can be picked up very cheaply, although it's not particularly wide on your *ist. The M20mm/4.0 is probably a better bet for landscapes, but it's much, much more expensive.

If you're willing to go down the really legacy route, get an M42 adapter and try a Takumar. The 24mm/3.5 is a reasonably priced medium wide on APS-C, while the 20mm/4.5 is a rare but magical thing. Combining any Takumar with that 6MP CCD will give you an utterly gorgeous analog-like rendering that can become addictive.

07-31-2015, 02:01 PM   #9
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Thank you Dave

I am TOTALLY Automatic Focus NOT Manual OK!!!

So where this leaves me is even more confused hehehe

Cheers for Years
Colin
07-31-2015, 04:29 PM   #10
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QuoteOriginally posted by Dartmoor Dave Quote
The 6 megapixel CCD sensor in the *istD works wonderfully well with legacy lenses. I
I have heard this elsewhere and would like to know why this is the case.
07-31-2015, 04:34 PM   #11
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If you want to go wider than 18-50 probably an used sigma 10-20 4-5.6 is your best bet if price fits your budget.
For longer than that I would go for pentax-f 70-210 or sigma 70-300 apo macro although looks like 70-210 prices have gone up lately on ebay.
07-31-2015, 10:28 PM   #12
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Sigma 24-60 2.8 if you can find one 2nd hand.
Sigma 24-60mm F2.8 EX DG Lens Reviews - Sigma Lenses - Pentax Lens Review Database
08-01-2015, 12:26 AM   #13
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QuoteOriginally posted by pathdoc Quote
I have heard this elsewhere and would like to know why this is the case.
My theory would be that any minor flaws in the lenses (usually as a result of age) won't show as clearly as on the newer sensors.

For reference I use an *istDS, much the same as the D.

Pretty much all my lenses are the A series (auto aperture, manual focus) and they all work great with the camera.


If you have a tight budget these lenses are great value, but obviously lack autofocus.
for Autofocus I would look at the F series, just after the A, most of these came on the SFX and others of teh same period, they tend to be a bit cheaper than the later lenses.

as for focal length, personally I find that I use my 28mm most for landscapes on film, but for digital I tend to use the kit lens (28 on the digital sensor ends up being neither wide enough, nor tight enough for any of my style)

Anything wider than 28mm give or take tends to be pretty costly since it was a fairly uncommon length in film days. And obviously anything digital related costs more, being newer.
08-01-2015, 03:27 AM   #14
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QuoteOriginally posted by pathdoc Quote
I have heard this elsewhere and would like to know why this is the case.
High resolution sensors (sensors with many pixels) are more demanding, and can outperform the resolution of older lenses.

---------- Post added 08-01-2015 at 12:29 PM ----------

As for lenses... Look for the DA 16-45 f/4, this was actually the standard zoom for the *ist D and it should outperform your current Sigma. It is a bit odd in construction, the wide angle makes the lens longer than when on tele end, but it is sharp and with nice contrast.
08-01-2015, 07:57 AM   #15
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Zoom or prime? If prime as someone else said a DA 35 f2.4 is a nice lens, not very wide, but sharp and light.

If zoom, the 16-45 is a nice lens by all accounts.

The DA 15 limited is my favorite landscape prime, but based on your reaction to the 21 that is too expensive.

Ultimately I'm with Adam. The K50 deals are crazy good right now. Alternately look in the marketplace, I saw a nice k5 for under $200 USD recently. The shot you posted is really nice and I think you would only improve it with a tripod and a higher res sensor.
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