HOW TO PICK THE RIGHT STRAP FOR YOUR CAMERAThe weight of your camera and heaviest lens should determine the size of the camera strap pad. UPstraps come large, XX, medium and small pad. All UPstrap non-slip shoulder pads are molded directly to the webbing. All attachment hardware is included. Quick releases are available for the large and medium pads but not the small pad.
The LARGE SLR/LT PAD. . . . .generally best for . . . .a load starting at 4-8 pounds / 1.8 -3.6 kilograms.
The The X-PAD . . generally best for . . . .a load starting at 2-6 pounds /.9-2.7 kilograms
The MEDIUM SG & MD PAD. . generally best for . . . .a load starting at 2-4 pounds /.8-1.8 kilograms
The SMALL RF/DC PAD . . . . . generally best for . . . a load starting at 14 oz / .4-1 kilograms
The pad size is about comfort. Tensile strength is not an issue . . .if you can carry it the UPstrap can hold it.
To determine the best web for your camera . . . know the strap attachment system your camera uses.
A quick release option is available to detach the strap pad and the majority of the web. Only the quick release ends remain attached to the camera. There is a wrist loop, handle, bandolier and shoulder harness options for various carry applications.
HOW TO PICK THE RIGHT STRAP FOR YOUR CAMERA - SUBTILE CONCEPTS
Both 3/8" nylon and 1/2" kevlar web will fit 99% of all cameras and hold a minimum of 250 pounds.
Be mindful that the choice of a pad may have more to do with the weight of the lens. There are crossover areas where a mid size pad will do fine for your normal carry lens but a larger pad is a better choice for your camera and heavier lens. This is a judgement call on your part. If your not sure which way to go order both and return the one you don't want.
The key reason for the kevlar web is some brackets or slot attachments may have a sharp inner edge. This causes faster abrasion to the web. This is especially true on some Canon cameras when used with telephoto lenses.
Look at your camera's bracket or slot. Does it have round curves or a hard edge?