If you own an older camera with thread mount, it will probably accept the PENTAX Universal Thread Mount T-Ring. If you have a new camera with a bayonet mount not listed above (Ricoh, Cosina, Zenith, etc.), it will most likely accepts the Pentax K-Universal Bayonet Mount T-Ring. Check your cameras instruction manual for more detail.
Manufacturers & Suppliers of Astronomical Telescopes in India Serving Amateur Astronomers Since 1976