Tiffen is a brand of filters not a lens.
if your sigma lens will work on 1 camera and not on the other then check the lens mount, electronic contacts, clean them if needed.
check the settings in the camera if there needs to be a change.
SOURCE: Sigma 70-300mm DL Macro Super Lens compatibility for Nikon D40X DSLR Camera
Here is Nikon's specs of lens compatibility for the D40X:
Compatible Lenses*: Nikon F mount with AF coupling and AF contacts Type G or D AF Nikkor:
1) AF-S, AF-I: All functions supported;
2) Other Type G or D AF Nikkor: All functions supported except autofocus
3) PC Micro-Nikkor 85mm f/2.8D: Can only be used in mode M; all other functions supported except autofocus
4) Other AF Nikkor*â¹/AI-P Nikkor: All functions supported except autofocus and 3D Color Matrix Metering II
5)
Non-CPU: Can be used in mode M, but exposure meter does not function;
electronic range finder can be used if maximum aperture is f/5.6 or
faster
6) IX Nikkor lenses cannot be used
*â¹ Excluding lenses for F3AF
They do not recommend 3rd party lenses, ever
SOURCE: sigma 70-300 mm lens wont focus
I was focusing to close to the subject & too much glare from a church window.
SOURCE: sigma 70-300 +''no lense attached'' w/ sony a200 dslr
clean brass contacts with qtip and rubbing alcohol. let air dry couple of hours. do the body and the lens. hope that helps
SOURCE: Sigma 28-300 Sigma lens lock
Hi
Is it the later model with a 68mm filter thread it will have a zoom lock at 28mm or the older with a 72mm
which will not have a lock let me know which one you
have
[email protected]
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