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Thread started 13 Dec 2009 (Sunday) 09:30
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USM hiccups/stutters?

 
kitacanon
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Dec 13, 2009 09:30 |  #1

I have a chance of getting a 75-300mm USM lens for $33...but....
the USM hiccups/stutters as it rotates....

Any easy solutions...other than manual focus, which does work fine....
i.e. it's the motor, not the barrel, that's not smooth...at that price I should get it anyway, but even my gear lust has limits....maybe...

Thanks....


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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gasrocks
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Dec 13, 2009 12:02 |  #2

Quick, sell it on eBay. Why not send it to Canon for a free estimate?


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kitacanon
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Dec 13, 2009 12:08 |  #3

gasrocks wrote in post #9188909 (external link)
Quick, sell it on eBay. Why not send it to Canon for a free estimate?

Well, it sells on Ebay for $75-100 in working order....so I'm sure sending it to Canon for repair would not be cost effective....


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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gasrocks
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Dec 13, 2009 12:25 |  #4

Not sure why you bought it unless you plan on using it in MF.


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tkbslc
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Dec 13, 2009 12:27 |  #5

You have a nice 70-210 AF lens and you already have a 300mm MF lens. So what would you use it for?


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kitacanon
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Dec 13, 2009 12:27 |  #6

I haven't gotten it...yet....it's just sitting in a pawn shop waiting for me to give in....:)


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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kitacanon
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Dec 13, 2009 12:29 |  #7

tkbslc wrote in post #9189057 (external link)
You have a nice 70-210 AF lens and you already have a 300mm MF lens. So what would you use it for?

Well....during the year I pick up cheap slr film gear and in Aug/Sept sell it cheap to high school kids/parents for their photo class....and if I could fix it/if it were user fixable, I'd buy it for them....


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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kitacanon
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Dec 13, 2009 12:31 |  #8

tkbslc wrote in post #9189057 (external link)
You have a nice 70-210 AF lens and you already have a 300mm MF lens. So what would you use it for?

I also have a 180 F2.8 Nikkor which is great....
....but just this week got (coming in the mail soon) another version of it just to compare the two...


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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tkbslc
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Dec 13, 2009 12:32 |  #9

Fair enough. The "USM" on the 75-300 is really just a snazzy micromotor. So if you disassembled it you could check if some gears have become stripped or misaligned. Lot of labor though, for a $50 lens. I might just snag some used Quantaray's on ebay if you want a basic 70-200 or 70-300 lens for a cheap price. It is not like the Canon lense we are taking about is upper echelon.


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gasrocks
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Dec 13, 2009 13:40 |  #10

Buying this lens makes no sense to me.


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kitacanon
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Dec 13, 2009 14:38 |  #11

If it isn't an easy fix, I agree....


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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gasrocks
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Dec 13, 2009 14:47 |  #12

Somehow, an AF lens that does not AF is not going on my list of the top 50 easy fixes.


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USM hiccups/stutters?
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