Manual Focus High Power 1000mm Lens for Pentax K Series - Long Reach

In this review of the Manual Focus High Power 1000mm Lens for Pentax K Series cameras, the bottom line is simple: photographers who need extreme telephoto reach on a budget will find a capable, purpose-built tool here. The lens is manual focus only and offers a fixed tripod collar and multicoated glass, which combine to deliver usable long-distance images for wildlife, sports or surveillance when paired with a Pentax K mount DSLR. Our review highlights where this optic shines and where manual operation and its focal limits shape realistic expectations.

Key Features

• Compatibility: Works on all Pentax K series DSLR cameras so users can mount it directly on bodies such as the K-01 or K-7 without adapters.
• High focal length: The 500mm base focal length (with supplied 2.0x converter) provides extreme telephoto reach ideal for distant subjects.
• Optical coatings: Multicoated glass improves contrast and reduces flare for clearer long-range images in daylight conditions.
• Tripod support: The fixed tripod collar gives stable mounting and easier panning when shooting handheld is impractical.
• Filter flexibility: Accepts 67mm filters so users can add polarizers or ND filters to control reflections and exposure.

Who It's For

This lens is aimed at hobbyist wildlife and sports shooters who need extra reach and are comfortable working with manual focus. It is also suitable for outdoor photographers shooting distant subjects who prioritize focal length and stability over autofocus convenience.

Those who rely on fast autofocus, in-body image stabilization, or close focusing should consider other options; this lens has no AF or stabilization and a long minimum focus distance, so it is not suited for fast action at close range or handheld low-light work.

Pros & Cons

Pros

• Very long effective reach when used with the included 2.0x converter, enabling distant subject capture.
• Multicoated glass helps maintain contrast and reduces stray reflections on bright days.
• Fixed tripod collar and relatively compact diameter make stable shooting manageable for a long lens.

Cons

• No autofocus or image stabilization, so successful use requires steady support and manual focusing skill.

Specifications

Focal Length	500mm (2.0x converter included)
Aperture	Maximum f/8, Minimum f/32
Mount Type	T-mount (T-thread) for Pentax K series
Format Compatibility	35mm Film / Full-Frame and APS-C DSLRs
Minimum Focus Distance	33 ft (10 m)
Filter Thread	67mm
Dimensions / Weight	~2.76 x 11.73 in, 1.41 lb (7.01 x 29.79 cm, 640 g)

Our Verdict

For photographers who need long reach and can work manually, this 1000mm-capable lens offers strong value thanks to its multicoated optics, tripod collar and included 2.0x converter. It is a practical, budget-friendly tool for distant subjects, provided you accept manual focus and the lack of stabilization.

Frequently Asked Questions

Will this lens autofocus on Pentax K cameras?
No. This lens is manual focus only, so autofocus is not available.

Can I use this on APS-C Pentax DSLRs?
Yes. The lens is compatible with 35mm full-frame and APS-C format Pentax K series cameras.

Does it include any accessories?
Yes. The package includes the 500mm lens with a 2.0x converter, a converter adapter, a lens case and a 10 year warranty card.