When your IRIX 15mm f/2.4 Blackstone or 15mm f/2.4 Firefly lens is not in use, safeguard its front element with this 95mm Front Lens Cap. The snap-on, center pinch-type cover protects your glass against dust, debris, moisture, scratches, and light impact. It serves as a spare or replacement for the original one you received with the lens.

Snap-On, Center Pinch Design    Protects Front Element of Lens    Spare or Replacement Item

Related Questions and Answers

Q: 1. Will this fit a canon Reble t8i ?

A: Yes, this lens is compatible with the T8i but this is a manual focus lens only, no autofocus.

Q: 2. Will this work with Nikon z6 with ftz adapter?

A: A Nikon Z camera with an FTZ adapter is in effect the same as a Nikon F camera. Therefore, if a lens works on an F camera, it will work on a Z camera.

Q: 3. Does this lens auto focus confirmation work with the Nikon D7500 ?

A: Yes, this lens has electronic contacts.

Q: 4. Does the lens hood come off or is it fixed to the lens?

A: Yes, The lens hood is removable, at the clearly visible separation line above the 15mm Irix etc logo. The lens works well for me. All lenses are a compromise and you should read the many available reviews.

Q: 5. Does the IRIX 15 have a focus confirmation chip for Nikon?

A: Yes, the Firefly has a focus confirmation chip for Nikon.

Q: 6. Specific to the Nikon F mount version ... does this lens have open-aperture metering, or stop-down metering?

A: the lens is open aperture metering as stop down I believe aperture is not adjustable on this lens, I only had one for a short time before I bought the Zeiss 15mm.

Q: 7. Can the aperture of this lens be controlled by the BlackMagic Pocket Cinema 6K camera?

A: Although the Black Magic Pocket Cinema 6K Camera with a Canon EF can accept this lens, it has not been tested to our knowledge. Your results may vary.

Q: 8. Can you adjust the aperture manually?

A: No, you cannot. The aperture of the IRIX 15mm f/2.4 Blackstone Lens for Canon EF, B&H # IR15BSC, would be controlled by the dials built onto your Canon body.

Q: 9. Hi, I use this lens with a canon EOS RP and the EF adaptor. Why is the lens doesn't go down to 2.4, and get stuck at 2.5?

A: The lens should be able to be set to f/2.4 if your lens is focused at infinity. If your lens will not set to f/2.4, there may be an issue with the lens. If the lens was purchased within the last 30 days, you may contact our Customer Service Department to inquire about returning the lens for an exchange or a refund. If you have purchase the lens longer than 30 days ago, as the lens comes with a Limited 5-Year Warranty from the manufacturer, you may contact IRIX directly either by e-mailing them at info@irixlens.com or by calling them at (954) 900-6755.

Q: 10. Is this lens focus by wire?

A: Not focus by wire, it is full manual focus.