Pentax DCF SP 10x50

• 10x50 configuration: The combination of 10x magnification and a 50.00 mm objective gives this binocular the reach needed for open-country observation while maintaining a bright, steady image for dawn, dusk and woodland use.
• Long eye relief: With 22.00 mm of eye relief, the DCF SP 10x50 remains comfortable for eyeglass wearers and makes it easier to see the full field without pressing in tightly behind the eyepieces.
• Roof prism optical system: The Schmidt/Pechan roof prism design keeps the binocular slimmer and easier to carry than a comparable porro model, while the fully multicoated optics help preserve contrast and image brightness.
• Waterproof, nitrogen-filled construction: A waterproof, fogproof body with nitrogen filling helps the binocular stay dependable when moving between cold and warm environments or using it in rain and damp field conditions.
• Close focus and practical handling: A 3.50 m close focus, central focusing system and right-eyepiece diopter adjustment make it easy to shift from nearby detail to distant subjects and fine-tune the view to the user's eyesight.

About the Pentax DCF SP Series

The Pentax DCF SP series sits among Pentax roof-prism hunting and field binoculars as a line built around durable construction and refined viewing comfort. Although the series is now discontinued, it was developed as a premium waterproof family with models such as 8x32, 8x43, 10x43 and 10x50, covering everything from compact all-round use to brighter low-light observation. A magnesium body with a rubber exterior keeps weight under control while giving the binoculars a solid, secure feel in the hand.

Across the series, Pentax combined roof prisms with phase coating, multicoated optical elements and hybrid aspherical eyepiece elements to improve sharpness across the image and reduce the softness often seen toward the edge of the field. The binoculars are also nitrogen-filled and built to JIS Class 6 waterproof standards, making them suitable for wet weather and changing temperatures. Long eye relief is a defining characteristic of the range, which makes the DCF SP series especially well suited to users who wear glasses or who want a more relaxed viewing position during extended observation sessions.

About the Pentax DCF SP 10x50

The Pentax DCF SP 10x50 is the largest and brightest configuration in the DCF SP family, aimed at users who want more low-light capability without moving to a bulkier porro-prism binocular. Its 10.00 x magnification gives enough reach for scanning game, watching distant terrain or observing wildlife across open ground, while the 50.00 mm objective lenses and 5.00 mm exit pupil help keep the image bright when light levels begin to fall. That makes this model a practical choice for hunting, general nature observation and long sessions in mixed light.

The optical layout uses a Schmidt/Pechan roof prism system in a compact single-hinge body, so the binocular remains easier to pack and carry than many traditional 10x50 designs. Its fully multicoated optics support good contrast and cleaner image transmission, while the generous 22.00 mm eye relief is particularly useful for eyeglass wearers and for anyone who values a less critical eye position. A field of view of 87.00 m/1000m is tuned more for measured, deliberate observation than extra-wide scanning, which suits the model's emphasis on reach and image brightness.

In daily use, the central focusing system allows quick adjustment, and the right eye-piece diopter control helps balance the image precisely to the user's vision. The waterproof, fogproof, nitrogen-filled housing adds confidence in rain, cold mornings and humid conditions, while the 840.00 g weight gives the binocular a stable feel without becoming excessively heavy for field carry.

About Pentax

Pentax traces its origins to Asahi Optical Joint Stock Co., founded in 1919 in Otsuka, Tokyo. The company began as an optical manufacturer and built its reputation through products such as eyeglass lenses, binoculars and cameras. In the binocular segment, Pentax has long focused on practical optical engineering, including full multi-coating on lens surfaces and prism incident-light surfaces, as well as roof-prism designs developed for compactness and reliable field use.

Asahi Optical Co., Ltd. merged with HOYA Corporation in March 2008, and Ricoh acquired HOYA’s imaging-system businesses in 2011. Today, Pentax camera and binocular products are manufactured and marketed by Ricoh Imaging Company, Ltd., headquartered in Tokyo, Japan. That background is reflected in products such as the DCF SP binoculars, where Pentax combines long-standing optical know-how with weather-resistant mechanical design for hunting, outdoor observation and general field use.

Main Features

• Magnification: 10.00 x
• Objective lens diameter: 50.00 mm
• Prism type: Roof - Schmidt/Pechan
• Lens coating: Fully Multicoated
• Field of view: 87.00 m/1000m
• Field of view (angular): 4.98 °
• Exit pupil: 5.00 mm
• Eye relief: 22.00 mm
• Close focus: 3.50 m
• Diopter range: +/- 3 dpt.
• Focusing system: Central
• Diopter setting position: Right eye-piece
• Interpupillary distance: 58.00 mm - 74.00 mm
• Waterproof: Yes
• Fogproof: Yes
• Nitrogen filled: Yes
• Length: 170.00 mm
• Width: 132.00 mm
• Height: 58.00 mm
• Weight: 840.00 g
• Body type: Single hinge
• Made in: Japan

Warranty

Pentax provides a 30-year warranty for the DCF SP 10x50. This long coverage period reflects the model's durable mechanical construction and its intended role as a long-term field binocular.