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- John 'Jack'
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There are some lenses that have been designed for the crop sensors. For example Nikon's DX lenses, Tamron Di lenses, Canon EF-S, etc.
I'm trying to figure out if my lens is just a usual lens, one that is usually used for 35mm SLR / Full Frame DSLR, or if it is one of those designed for crop sensors.
I got a Tamron 28-200mm f3.8-5.8 (IF) Aspherical LD. There also appears to be the number 1710 shown next to the Make in Japan if it is of any help.
I know that the LD code is just a coating type, nothing to do with if it is designed for full frame or crop. And that if it was designed for crop sensors, it would have the Di marking on it. Just checking because I heard somewhere that lenses designed for normal 35mm SLR / full frame DSLR can be used on cameras with crop, but when it comes to using the lenses specially designed for the crop models, on a SLR/DSLR, you get the vignetting effect.
The reason I'm asking is because if I try to upgrade my camera to one of those full frame models, I want to know if I can still use my current lens or get another one. The one I got was bought second hand with the camera which is a crop model.
As far as I can tell, I think the lens I have is suitable for full frame, and can be used on crop models, not one of those designed for crop models. I just want to double check.
I'm trying to figure out if my lens is just a usual lens, one that is usually used for 35mm SLR / Full Frame DSLR, or if it is one of those designed for crop sensors.
I got a Tamron 28-200mm f3.8-5.8 (IF) Aspherical LD. There also appears to be the number 1710 shown next to the Make in Japan if it is of any help.
I know that the LD code is just a coating type, nothing to do with if it is designed for full frame or crop. And that if it was designed for crop sensors, it would have the Di marking on it. Just checking because I heard somewhere that lenses designed for normal 35mm SLR / full frame DSLR can be used on cameras with crop, but when it comes to using the lenses specially designed for the crop models, on a SLR/DSLR, you get the vignetting effect.
The reason I'm asking is because if I try to upgrade my camera to one of those full frame models, I want to know if I can still use my current lens or get another one. The one I got was bought second hand with the camera which is a crop model.
As far as I can tell, I think the lens I have is suitable for full frame, and can be used on crop models, not one of those designed for crop models. I just want to double check.