Author Archives: admin

The best PentaxRumors posts for May 2025

By admin | Published: June 3, 2025

Here are the best PentaxRumors posts for May 2025:

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Ricoh 360 Theta A1 camera officially announced

By admin | Published: June 3, 2025

The previously rumored Ricoh 360 Theta A1 camera is now officially announced (check for pre-order links). The new A1 model is designed for professional use: Theta Z1: Maximum image quality, ideal for high-precision scanning, professional photography, or marketing visuals. Theta X: Simple to use with an integrated screen, ideal for fast and versatile shoots. Theta […]

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Pentax K-mount 50th anniversary

By admin | Published: June 2, 2025

The Pentax K-mount was introduced 50 years ago: “The Pentax K-mount, sometimes referred to as the “PK-mount”, is a bayonet lens mount standard for mounting interchangeable photographic lenses to 35 mm single-lens reflex (SLR) cameras. It was created by Pentax in 1975, and has since been used by all Pentax 35 mm and digital SLRs […]

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New patent application for Pentax 70-150mm, 100-170mm, 70-180mm, and 150-250mm lenses

By admin | Published: June 2, 2025

Ricoh has a new patent application released on May 30, which includes several optical lens designs/calculations: 70-150mm f/4.6-5.7 100-170mm f/4.6-5.2 70-180mm f/4.1-6.1 150-250mm f/5.3-7.9 Additional informtion:

Posted in Patents, Pentax lenses | 1 Comment

First sightings of the new Ricoh GR IV camera at the GR SPACE event in Tokyo today

By admin | Published: May 31, 2025

Here are the first sightings of the new Ricoh GR IV camera at the GR SPACE event in Tokyo today:

Posted in Ricoh GR | Tagged | 8 Comments

Ricoh Gashapon miniature camera collection

By admin | Published: May 28, 2025

Earlier this year, a new Ricoh Gashapon camera miniature collection set was released in Japan with realistic reproductions of old Ricoh film cameras: Ricohflex III with viewfinder hood Ricoh Auto Half with film Ricoh GR1 (black) with film Ricoh GR1 (silver) with film The collection is already sold out in Japan, but you can still buy it from […]

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Pentax K-3 Mark III “The Ultimate Guide” eBook version 1.12 released

By admin | Published: May 28, 2025

A new Pentax K-3 Mark III “The Ultimate Guide” eBook version 1.12 was released recently (more Pentax books can be found here):

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