Pentax

Pentax 18928-RIM 17mm Half-Frame Film Camera

A brand-new half-frame film camera that doubles your shots per roll with retro magnesium-alloy craftsmanship.

$496.95*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Pentax 17 is a genuinely new half-frame 35mm film camera — a rarity in an era when most film shooters rely on decades-old used equipment. Its half-frame format captures images at 17mm x 24mm, splitting each standard 35mm frame into two vertical shots. The practical benefit is immediate: a standard 36-exposure roll yields up to 72 photographs, cutting your per-shot film and processing costs roughly in half. The vertical orientation of every image also gives the camera a distinctly modern feel, producing photos that are naturally formatted for phone screens and social media platforms without cropping.

Build quality sets the Pentax 17 apart from disposable or toy cameras. The top and bottom covers are machined from solid magnesium alloy, giving it a reassuring heft and durability in a compact body. The 25mm F3.5 lens — equivalent to approximately 37mm in full-frame terms — features Pentax's acclaimed HD coating for controlled flare and strong contrast, important qualities when working with the smaller half-frame negative. Focusing uses a six-zone system with intuitive icons rather than distance scales, making it quick to set without peering through the viewfinder. The manual film advance lever completes the analog experience, delivering a satisfying mechanical feel after each exposure. Whether you're a seasoned film photographer looking for a creative tool or a newcomer drawn to the charm of analog shooting, the Pentax 17 offers a thoughtfully designed, modern take on a classic format.

Key Features

35mm compact film camera capturing two 17mm x 24mm images within a single 35mm format ( 2x more pictures per roll)

Retro-inspired design with top and bottom covers made of solid, lightweight magnesium alloy

From close ranges to long distances, the zone-focus system is divided into six zones.. Set the camera’s focus by simply selecting the mark best suited for the distance to your subject.

Manual film-winding mechanism featuring a film advance lever, to recreate the feel of a traditional film camera. To improve the feel of the film-winding action after each shutter release, this lever is designed for optimal finger hold.

Features a 25mm F3.5 lens (equivalent to a 37mm lens in the 35mm format). This lens is treated with HD (High Definition) coating – highly acclaimed through its application on PENTAX SLR lenses – to optimize the image quality of half-size pictures.

Specifications

Brand
Pentax
Model
18928-RIM
Film Format
35mm Half Frame (17mm x 24mm)
Lens
25mm F3.5 (37mm equivalent)
Lens Coating
HD (High Definition)
Focus System
Zone Focus (6 zones)
Film Advance
Manual lever
Body Construction
Magnesium alloy top and bottom covers
Exposures Per Roll
Up to 72 (36-exp roll)

Pros & Cons

👍 Pros

  • Doubles the number of exposures per roll, significantly reducing film and development cost per shot
  • Solid magnesium alloy construction gives it a premium, durable build despite its compact size
  • The HD-coated 25mm F3.5 lens delivers sharp image quality optimized for the half-frame format
  • Manual film advance lever provides a tactile, traditional shooting experience
  • Zone-focus system makes the camera fast and intuitive to use without fiddly manual focusing

👎 Cons

  • Half-frame negatives are smaller, so enlargements and heavy cropping show more grain than full-frame 35mm
  • The zone-focus system lacks precision for shallow depth-of-field work at close distances
  • No autofocus or auto-advance, which may frustrate shooters accustomed to modern point-and-shoots
  • The fixed 25mm lens (37mm equivalent) offers only one focal length with no zoom capability
  • Film, development, and scanning costs are ongoing expenses on top of the camera purchase price

Frequently Asked Questions

The Pentax 17 captures two half-frame images in the space of one standard 35mm frame, so a 36-exposure roll yields up to 72 photos, and a 24-exposure roll gives up to 48.
All images are captured in a vertical (portrait) orientation by default, since the half-frame format splits the standard horizontal 35mm frame in half. This makes the photos naturally suited for social media and phone-style viewing.
Yes, the Pentax 17 uses batteries to power the light meter and electronic shutter, but the manual film advance lever operates mechanically without battery power.
Instead of autofocus or a manual focus ring, you select one of six distance zone icons on the lens barrel that best matches how far away your subject is. It's fast, simple, and requires no focusing through the viewfinder.
The 25mm F3.5 lens features Pentax's HD (High Definition) coating, the same premium multi-coating technology used on their interchangeable SLR lenses, to reduce flare and ghosting for sharper half-frame images.