About Interchangeable Lenses Posted on May 3, 2014 Lisa Feierman 1. The 2014-2015 Classroom Projector Report: Special Features and Considerations - Table of Contents: Things to Consider!2. About Ultra Short Throw, and Very Short Throw Projectors - About Ultra Short Throw, and Very Short Throw Projectors3. About Interactive Projectors - About Interactive Projectors4. About Laser Pointers, Optical Pointers, Tablets and General Remote Mousing - About About Laser Pointers, Optical Pointers, Tablets and General Remote Mousing5. About Pocket Projectors - Pocket Projectors - They Have Come of Age6. About Solid State Light Engines - About Solid State Light Engines7. About Interchangeable Lenses - About Interchangeable Lenses8. About PC Free Presenting, BYOD, Presenting Over Network - About PC Free Presenting, BYOD, Presenting Over Network9. About HDMI (or DVI), USB, DisplayLink USB Interfacing - About HDMI (or DVI), USB, DisplayLink USB Interfacing10. About Picture Quality – Brightness, Color Fidelity, Accuracy, Color vs Brightness - About Picture Quality – Brightness, Color Fidelity, Accuracy, Color vs Brightness11. About Cost of Operation, Maintenance, Filters - About Cost of Operation, Maintenance, Filters - Cost of Installation - Cost of Replacement Lamps - Cost of Replacing Lamps - Filter Costs12. About Wireless Networking - About Wireless Networking13. About Wired Networking and Networking Protocols - About Wired Networking and Networking Protocols14. About Cloud Presenting/Teaching - About Cloud Presenting/Teaching15. About Presenting / Teaching from iOS and Android devices - About Presenting / Teaching from iOS and Android devices16. About Active and Passive 3D In the Classroom - About Active and Passive 3D In the Classroom - Active vs. Passive17. About Cost of Operation and Ownership - Upfront Costs - Post-Sale Costs - That's A Wrap About Interchangeable LensesWhen you encounter projectors that offer a selection of lenses, that means two things typically. The maximum in placement flexibility is the big advantage, and high pricing is the disadvantage. Typically one would not need a projector with lens options in a K-12 classroom, and most likely not in higher ed classrooms although lens options might be an advantage in some of those huge classrooms. More typically projectors with interchangeable lenses are likely to be placed in small auditoriums, large multi-purpose rooms, and other unusual rooms where a projector might need to be placed very far back from the screen to have easy access to the projector. Although most projectors that offer lens selection have an affordable bundle with a standard zoom lens, know that most “other” lenses will sell typically from $1500 to $3500 depending on the lens, the overall projector’s cost, and other factors.