

The two prototype lenses that Ricoh displayed during the 2015 CES show will be announced on February 5th (pictured above):

HD Pentax-D FA 70-200mm f/2.8

Pentax-D FA 150-450mm f/4.5-5.6

Both lenses are full frame, giving all Pentax fans hope that a full frame DSLR camera should be coming soon.

Update - here are the HD Pentax-D FA 70-200mm f/2.8ED DC AW lens detailed specifications:

Dust and water sealed (s ealing in 13 different places)

(s Image circle covers 35mm format (full frame lens)

New nanotechnology coating called "Aero Bright coating II"

HD coating

Two super ED, two ED and four low dispersion elements

Quick shift focus system selector: "QFS / A", "QFS / M", "MF"

"QFS / A" autofocus priority. "QFS / M" manual focus priority

DC motor

Circular aperture

3-stage focus limiter

SP coating on the front lens

New removable tripod mount

Price in Japan: 260,000 yen with tax (around $2,200, expectUS price will be lower)

and the specs of the HD Pentax-D FA 150-450mm f/4.5-5.6ED DC AW lens:

Dust and water sealed (sealing in 21 different places)

Image circle covers the 35mm format (full frame lens)

HD coating

Three ED, one low dispersion element

Design for high megapixels sensor

Quick shift focus system selector: "QFS / A", "QFS / M", "MF"

"QFS / A" autofocus priority. "QFS / M" manual focus priority

Four places of the AF button (every 90 degrees to the lens barrel)

Focus preset mode for storing the focus position

AF Cancel fixing force the focus position in the continuous AF

DC motor

Zoom lock lever

Circular aperture

3-stage focus limiter

SP coating on front element

New removable tripod mount

Price in Japan: 275,000 yen including tax (around $2,300)

Via Digicame-info