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Question: Will this strap support somthing as heavy as a D4 with a 24-70 on it?
Document: one of the best straps i used  on my DSLR camerai use it on D600 - 24-70mm  its really goodi  used it on 70-200m its good as wellgood quality  and good performance
I purchased this from a local store the day of the wedding i was supposed to shoot - Glad i did!It's very comfortable to wear and having your hands free is great when you're walking around and what not.Im glad i got this, the weight of the D300 and the 24-70 f2.8 and the SB-700 would have killed my hands for sure.Get it!
It is one of the most useful piece of equipment I've ever purchased. It's very comfortable to wear (I'm 5'4", medium build) for 2 or 3 hours at a time, and the camera just hangs on my side. I've used this with my Canon 7D with the 50mm lens, 70-200mm L lens, and my 24-70 L lens all with good results. When I need to take a picture, the camera slides up without having the neck strap getting in the way.
I like my BlackRapid straps. I have one that's bulkier and more padded that lugs around my heavy (D700) full frame DSLR and 80-200 lenses. I bought a new camera - a mirrorless sony a6000 so that I didn't have to break my back and could enjoy some casual shooting. I wanted another BlackRapid strap for it. So I purchased this Metro strap.
I wore this blackrapid 9 hours every day for 16 days through southeast asia. The streamline design left me with no complaints.This is the second speed strap I've owned. I have a 5d Mark III with a 50mm lens. Not a light setup but not the heaviest. I use this for every day carry and travel. My previous speed strap was heavy duty and thicker. After a long day of walking or traveling, every ounce counts.
we need LITTLE connectors. I sometimes have problems closing the LCD on the back because the connector overlaps. The strap padding could benefit greatly with a no-slip rubber skid on it. Finally, the strap is still slightly heavy enough that if you place it attached to the camera dangling off a smooth table, watch out! I almost lost my camera going over the edge because the strap weight was sliding the camera and pulling it over the table. Not that it's BlackRapid's fault, but I wanted to warn people.
I bought this for a cruise we were going on and boy am I happy I did. This was great with my D90 and 18-300mm lens (very heavy). Not only that, but when I added the SB-900 flash to the mix it kept the flash down so it wasn't' sticking out to get snagged on something. This has answered a problem I've been facing for a while. How I can carry my camera with out needing my hands to protect it.
I was going to purchase the RS-4, but good thing I bought this because I bought a metro because the padding would have been too big for me.Pro:-compact-light-comfortable-holds heavy weight-good designCon:-So far, I have not found anySo if any of you were considering buying this, I'd say go for it. But if you have a pro camera with heavy lens, I'd say go for the RS-4, RS-7 or the Sport.
Whenever I go somewhere and want to take my camera, 9 times out of 10 this is how I wear it. Generally I can choose one lens to walk around with at a particular location, so this is my favorite way to go. If for some reason I absolutely need more than one lens, I will go with a bag instead.I have used this a Nikon D7100 and a Nikon 70-300 f/4.5-5.6 AF-S VR as the heaviest combo so far.
This strap is engineered to be worn on your right side only. It has several features that make it nearly impossible to use on your left side. No amount of adjusting will overcome this problem. Generally speaking, the construction quality is good, but it is over engineered. There are features that one does not need nor ever thought they wanted. Although advertised for 4/3 cameras, this strap would support any dslr you might own.
Answer: Yes, it will, I use it with my Canon 5D Mark III and a 70-200. Please make sure you have the proper attachment piece for your camera. I did use a cheaper tripod mount with ring and it broke. Use the Black Rapid attachment pieces.