pentax m 75-150 f4
Posted 23/09/2010 - 09:31
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I have one and use it. Yes, the f4 is constant. It is very sharp. It is always in my camera bag - a definite keeper.
You might also checkout what others think on this "other" forum
This is one of lots that I took with it on holiday in Clachtoll (Sutherland) a couple of years back. I claim no artistic merit for the photo, but the crops show that it is pretty sharp.

100% crop

and another 100% crop

If you are patient, you might get one on ebay for £25 or so. At that price it is a real bargain.
Andrew
You might also checkout what others think on this "other" forum
This is one of lots that I took with it on holiday in Clachtoll (Sutherland) a couple of years back. I claim no artistic merit for the photo, but the crops show that it is pretty sharp.

100% crop

and another 100% crop

If you are patient, you might get one on ebay for £25 or so. At that price it is a real bargain.
Andrew
Posted 23/09/2010 - 14:01
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cheers andy
k5iis sigma 10-20 hsm sigma ex dg 24mm f1.8 tamron 17-50 pentax faj 18-35 pentax da 18-135 tokina 20-35 pentax A 50 f 1;1 7
pentax da*60-250 pentax da 55-300 sigma apo 150-500 hsm os
Pentax af aw 1.4 rear converter and a flash
pentax da*60-250 pentax da 55-300 sigma apo 150-500 hsm os
Pentax af aw 1.4 rear converter and a flash
Posted 23/09/2010 - 14:09
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It is a good lens, although I wouldn't rate it as highly as the zooms of today or the primes from its own era.
Stopped down, it can produce very nice, crisp shots.
AS with all telephoto lenses, the biggest enemy to sharpness is camera movement, followed by aerial haze. The former is less of an issue these days, now we have SR.
Stopped down, it can produce very nice, crisp shots.
AS with all telephoto lenses, the biggest enemy to sharpness is camera movement, followed by aerial haze. The former is less of an issue these days, now we have SR.
Best regards, John
Posted 23/09/2010 - 15:10
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thanks john
k5iis sigma 10-20 hsm sigma ex dg 24mm f1.8 tamron 17-50 pentax faj 18-35 pentax da 18-135 tokina 20-35 pentax A 50 f 1;1 7
pentax da*60-250 pentax da 55-300 sigma apo 150-500 hsm os
Pentax af aw 1.4 rear converter and a flash
pentax da*60-250 pentax da 55-300 sigma apo 150-500 hsm os
Pentax af aw 1.4 rear converter and a flash
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1493 posts
16 years
worcestershire
phill
pentax da*60-250 pentax da 55-300 sigma apo 150-500 hsm os
Pentax af aw 1.4 rear converter and a flash