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Silver 77mm f/1.8 Limited camera lens with HD coating

PENTAX

PENTAX HD Pentax-FA 77mm f/1.8 Limited Lens Silver camera lens

SKU CH-BJDA-KQ4TP

A 77mm portrait lens with f/1.8 aperture and HD coating for sharp, high-contrast images

  • Sharp, high-contrast images from HD coating that cuts ghosting and flare
  • Natural portrait perspective with 77mm focal length, 118mm equivalent on APS-C
  • Beautiful background blur and low-light ability from bright f/1.8 aperture
  • Round diaphragm creates smooth, natural bokeh for pleasing subject separation
  • Limited-series optical design delivers fine detail and subtle highlight gradation

Portrait focal length and aperture

The HD Pentax-FA 77mm f/1.8 Limited Lens is a short telephoto prime designed for Pentax K-mount cameras. Its 77mm focal length becomes a 118mm equivalent on APS-C bodies, a classic perspective for portrait and general photography. The fast f/1.8 maximum aperture provides shallow depth of field and strong low-light capability. This silver-finished Limited series lens targets enthusiasts and professionals who value optical character.

Bright aperture with natural bokeh

The f/1.8 aperture delivers bright viewfinder images and allows subject separation with smooth background rendition. A completely round diaphragm maintains circular highlights across the aperture range, contributing to the lens's signature bokeh quality. HD coating improves light transmittance and suppresses flare and ghosting, preserving contrast in backlit scenes. The optical design resolves fine detail and subtle highlight gradations for high-quality output.

Fixed focal length constraints

As a prime lens, it offers a single 77mm angle of view and cannot zoom to reframe distant subjects. The maximum aperture of f/1.8 defines the shallowest depth of field and the brightest exposure setting available. Autofocus is driven by the camera body via a mechanical screw-drive coupling, so focus speed and quietness depend on the camera used. There is no built-in optical stabilisation, so handheld stability relies on technique or in-body shake reduction.

Highlights

  • Sharp, high-contrast images from HD coating that cuts ghosting and flare
  • Natural portrait perspective with 77mm focal length, 118mm equivalent on APS-C
  • Beautiful background blur and low-light ability from bright f/1.8 aperture
  • Round diaphragm creates smooth, natural bokeh for pleasing subject separation
  • Limited-series optical design delivers fine detail and subtle highlight gradation

Specifications

No published specifications for this item yet.

Questions about this item

Will the 77mm focal length and f/1.8 aperture work well with my older Pentax film bodies?

The lens covers the full-frame image circle and uses the K-mount, so it mounts and meters correctly on legacy film cameras while keeping the 77mm field of view and f/1.8 brightness.

How can I verify the HD coating is cutting flare as intended after I mount the lens?

Shoot a backlit scene at f/1.8 and check for clean highlights without ghosting or veiling flare; the round diaphragm should also render smooth, circular bokeh balls in out-of-focus points of light.

Does the silver Limited edition include a hood and pouch, or do I need to buy them separately?

The box contains the lens with front and rear caps, a dedicated metal hood, and a soft carrying pouch — no extra accessories are required for basic use.

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