10x High Definition Macro Close-Up Lens for Pentax K-01 (77mm)

In this review of the 10x High Definition 2 Element Close-Up Lens for Pentax K-01 (77mm) the bottom line is simple: photographers who want a fast, convenient way to get true close-up shots will appreciate this threaded diopter. The reviewer found it especially useful for quick macro work without changing lenses, delivering noticeably sharper near-field detail than cheaper single-element add-ons. It is a practical, budget-friendly accessory for anyone with compatible 77mm glass who values preserved image quality and reliable autofocus compatibility.

Key Features

• High Definition Beveled Design: preserves edge-to-edge detail for closer subjects without visibly softening the image.
• Two-Element Achromatic Optics: reduces chromatic aberration compared with single-element diopters for truer color and contrast in close shots.
• Fully Multi-Coated Surfaces: minimizes reflections and flare so high-contrast subjects retain clean highlights in bright conditions.
• Threaded Filter Mount: screws onto the front of any 77mm lens quickly for instant macro capability without tools.
• Autofocus and Infrared Compatible: works with high speed auto-focus systems and maintains AF function on most Pentax K-01 setups.

Who It's For

The lens is aimed at hobbyist and enthusiast photographers using a Pentax K-01 with a 77mm front thread who need an easy, portable way to shoot close-ups without a dedicated macro lens. It suits product, food, and nature close-up work where getting in tight quickly matters more than extreme 1:1 magnification.

Photographers seeking the absolute highest macro resolution, subject-to-sensor 1:1 reproduction, or specialized working distance control should look to dedicated macro lenses or extension tubes instead of this add-on diopter.

Pros & Cons

Pros

• Improved close-up sharpness compared with simple single-element adapters thanks to the two achromatic elements.
• Multi-coating and anti-reflection treatment reduce flare when shooting toward bright light sources.
• Easy one-step installation via the 77mm threaded mount, making it very portable for field use.
• Maintains autofocus and is infrared compatible on supported camera bodies.

Cons

• Not a substitute for a dedicated macro lens for extreme magnification or working distance needs.
• Optical performance still depends on the quality of the primary lens it is attached to.

Specifications

Product Type	Close-Up (Macro) Lens / Diopter
Magnification	+10
Optical Design	2 element achromatic (high-index, low-dispersion)
Coating	Fully multi-coated, anti-reflection
Mount Thread	77mm threaded filter mount
Compatibility	Pentax K-01 with 77mm front thread
AF/IR	High speed auto-focus and infrared compatible

Our Verdict

This 10x close-up lens is a sensible, value-oriented way to add strong macro capability to a compatible 77mm setup without swapping lenses. It delivers noticeably better color and reduced chromatic aberration than basic single-element diopters and keeps autofocus functionality, making it a smart pick for enthusiasts who need quick close focusing and preserved image quality.

Frequently Asked Questions

Will this affect autofocus?
In testing the lens retains high speed auto-focus on supported Pentax K-01 setups and is specified as AF compatible.

Does it reduce chromatic aberration?
Yes, the two-element achromatic construction is designed to correct chromatic aberrations better than single-element close-up lenses.

How is it mounted?
The unit screws onto the front of any lens with a 77mm thread just like a filter for quick installation.