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12-15-2013, 07:29 AM   #1
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50-135 = 75-200 in full frame

I just bought 50-135 and waiting for it to be delivered. I saw a lot of posts concerning this lens is too short. But if you think those who have fx dsl, isn't 70-200 the same as 50-135 on aps? I dont see too much people complaining about 70-200 being too short on fx. I think for people who wants to shoot birds or long distance objects, it would be better to get a dedicate lens more than 300mm. I think pentax use this range because they want to make a 70-200 equivalent on aps

12-15-2013, 07:47 AM   #2
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I have the 50-135 for shooting portraits and outside sporting events. If I was shooting birds, the DA*300 would be the lens to get.
12-15-2013, 07:56 AM   #3
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You're right on the mark with your comparison of the 50-135 with a 75-200 on full frame, which latter is considered a must-have by many.
12-15-2013, 08:14 AM   #4
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I often carry my 18-135, and it's rare I take it off for a longer lens when out and about. Distressingly rare, I paid a lot of money for those longer lenses, and they weigh a lot. That being said, theDA*60-250 is a really good lens, and covers the same range only more, so maybe that's what folks are talking about. You wouldn't want to have both of those probably, so many go for more range. Others go for 2.8 in the 50-135 instead of ƒ4 in the 60-250. There's no one answer thats right for everybody. I guess that's why Pentax makes both lenses.

12-15-2013, 08:29 AM   #5
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There are different focal lengths for a reason :-)
12-15-2013, 02:34 PM   #6
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Yes, 50-135/2.8 is approximately equivalent to 75-200/4 on fullframe.
12-15-2013, 02:53 PM   #7
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The nice thing about the 50-135 is that it is so sharp, even wide open, with very nice bokeh. There are a lot worse lenses you could have in your bag...
12-15-2013, 03:03 PM   #8
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The thing is though, even though the 50-135 is equivalent to a 75-200 on FF, it's not really a long lens, at least not to me. Don't get me wrong, I love it, and 135mm usually is more than enough for me. But my 55-300 allows me to get shots I wouldn't be able to get with the 50-135.

I guess I'd feel very similar to a 75-200 on fullframe. But I never had a fullframe camera.

I do know there are people out there putting 70-200's on crop cameras and loving the extra tele range.

12-15-2013, 03:16 PM   #9
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Since I got my DA*50-135 I have barely used my Sigma 70-200/2.8. It is so much smaller and lighter, the IQ wide open is considerably better and the colours are simply wonderful. The lack of reach just doesn't seem to be a problem for the event stuff I do.

I had the DA*60-250 for a while but never really warmed to its size (especially racked out to 250) and loss of telephoto effect at closer distances.

If I want a real telephoto I use my DA*300. If I want a real telephoto I put it on the Q7
12-15-2013, 06:04 PM   #10
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QuoteOriginally posted by Sandy Hancock Quote
If I want a real telephoto I use my DA*300.
"Right On" brother.....
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