Pentax SMC F 600mm f/4 ED (IF User Manual

Screw to adjust camera position horizontally or vertically.

Protects lens from stray light and physical damage.

Ring used for switching functions on the lens.

Screw used to secure or lock a component.

Window displaying the focus distance.

Ring used to adjust the focus of the lens.

Mount for attaching filters to the lens.

The lens mount system for compatible cameras.

Ring used to control the lens aperture.

Device to limit the focus range.

Ring for attaching a carrying strap.

Base for mounting the lens on a tripod.

Screw to secure the tripod mount.

Ring for adjusting focus and zoom.

Window displaying the zoom magnification.

Highlights ED glass for chromatic aberration reduction and IF for compact design.

Explains IF mechanism, viewfinder impact, and focus limiter usage.

Details operation with KAF, KA, K mount cameras.

Provides technical details like aperture, focus distance, and dimensions.

Lists items provided with the lenses, including filters and caps.

Describes the lens's built-in tripod mount and its use with sturdy tripods.

Details how to loosen the lock screw to rotate the camera for vertical or horizontal shooting.

Illustrates the optical construction of both lens models.

Explains switching between AF and MF modes using the switch ring.

Emphasizes matching camera and lens focus modes to prevent damage.

Notes the infinity mark position accounts for temperature-induced focus shifts.

Guides on using the limiter to shorten focus time by restricting the range.

Describes setting the limiter to MANUAL and using the ring for focus or zoom.

Explains how moving the ring forward enables manual focus, backward enables zooming.

Details setting AF for zoom by pulling the ring and setting the limiter to "AUTO FOCUS FULL".

Notes the infinity mark position accounts for temperature-induced focus shifts.

Explains limiting focus range from infinity or minimum distance to shorten AF time.

Instructions for extending and retracting the two-step lens hood.

Guidance on changing filters using the holder and attaching 43mm filters.

How to cut and insert gelatin filters into the holder.

Details screwing the PF filter onto the lens for protection.

Instructions for attaching the cap to protect the lens front element.

Guidance on fitting the strap clasp and checking its security.