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Chroma 3nm H-Alpha Filter Optimized for f/2.8-f/3.6 H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized h...

Starizona T-Adapter w/Filter Holder For EdgeHD 8" The T-adapter can work in two different length configurations, one suitable for the nominal f/10 ...

Kowa 6.5x32mm BDII-XD Binoculars One of the stand-out optical features of the new BDII-XD series is their enviable large field of view, boasting cl...

Kowa TE-20H 25x LER (Long eye relief) eyepiece Compatible with Kowa TSN-880 and TSN-770 series spotting scopes. Long eye relief eyepiece 25x, 7 len...

KOWA TE-80XW Extreme Wide eyepiece 80 degree extreme wide angle eyepiece - See more. Immerse yourself into the scene with a 40x magnification and a...

iOptron Dielectric Star Diagonal (1.25")  Use the iOptron 90° Dielectric Star Diagonal to place your head in a comfortable viewing position when yo...

Pentax SMC XW23 85° 2" Eyepiece The Pentax XW23 85° has a 85° Apparent Angle of View, 20mm Eye Relief, plus Weatherproof Body for Multi-Applicatio...

SMARTPHONE ADAPTER V-SA1 ・Telescopic images can be shot using the camera function of smartphones. ・When combined with the optional accessory Macro...

Pentax Macro Stand V-MS1 The close-up lens allows the monocular to be used as a microscope with 18x magnification. The built-in LED brightens sub...

Tripod Adapter TP-3 Tripod Adapters to Expand the World of Binocular Viewing ・Designed for use with the DCF SP-, DCF HRII-, PCF WP- and PCF V-serie...

Pentax Tripod Adapter U Fatigue-Free Viewing for Fixed-Point Observations ・Using this optional tripod adapter, a pair of Papilio, UCF ZOOM- or WP-s...

Pentax UD 9x21 Binoculars A bright, clear field of view,lightweight body with a roof prism, and Fully Multi-Coated optics achieve excellent image p...

Pentax UP 10x21 Binoculars PENTAX quality and clarity are within reach, at a price that’s within reach, too. These compact porro-prism models featu...

Pentax UP 8x21 Binoculars PENTAX quality and clarity are within reach, at a price that’s within reach, too. These compact porro-prism models featur...

Pentax UP 10x25 Binoculars PENTAX quality and clarity are within reach, at a price that’s within reach, too. These compact porro-prism models featu...

Pentax UP 8x25 Binoculars PENTAX quality and clarity are within reach, at a price that’s within reach, too. These compact porro-prism models featur...

Pentax UP 10x25 Binoculars PENTAX quality and clarity are within reach, at a price that’s within reach, too. These compact porro-prism models featu...

Pentax UP 8x25 Binoculars PENTAX quality and clarity are within reach, at a price that’s within reach, too. These compact porro-prism models featur...

Pentax PAPILIO II 6.5x21 Binoculars  PENTAX quality and clarity are within reach, at a price that’s within reach, too. Unique Uni-body design enhan...

Pentax VM 6x21 WP Monocular Kit PENTAX Monocular VM 6x21 WP,  Easy to use with just one hand.  Universal design that is ergonomically easy to oper...

VD 4x20 WP Binoculars World‘s first* three-in-one binoculars, to spot the excitement in three different ways PENTAX VD 4x20 WP unique 3 in 1 binoc...

Pentax ZD 10x43 WP Binoculars What you couldn’t see before is suddenly so close you can almost touch it. PENTAX premium level quality and clarity a...

ZD ED 10x50 Binoculars What you couldn’t see before is suddenly so close you can almost touch it. PENTAX premium level quality and clarity are wit...

ZD ED 10x43 Binoculars What you couldn’t see before is suddenly so close you can almost touch it. PENTAX premium level quality and clarity are wit...

Pentax ZD ED 8x43 Binoculars What you couldn’t see before is suddenly so close you can almost touch it. PENTAX premium level quality and clarity a...

JUPITER Series 12x50 Binoculars Full sized binoculars that provide a bright and clear view, with a functional exterior designoptimizing ease of us...

Pentax SMC XW20 70° Eyepiece The Pentax SMC XW20 70° has a 70° Apparent Angle of View, 20mm Eye Relief, plus Weatherproof Body for Multi-Applicati...

Shelyak Spacer for Star Analyser The Star Analyser 100 has been designed to work with the smallest commonly used sensor chips and the range of came...

Pentax XF 8.5mm Eyepiece Compact, Cost-efficient eyepieces for use with PF-65EDII & PF-65EDAII Spotting Scopes Features Designed for use wit...

Pentax PF-80ED Spotting Scope (eyepiece sold separately) The PENTAX PF-80 ED series of spotting scopes feature a large 80mm objective lens and PENT...

Kowa SVII 8x32 Binocular The Kowa SVII 8x32 binocular has all lenses and prisms fully multi-coated providing superior optical performance. A lightw...

Pentax SD 8x42 WP Binoculars Exceptional vision quality meets high-end expectations. Large objective lenses incorporated in the design allow for co...

Pentax SP 8x40 WP Binoculars  Large objective lens elements provide maximum light gathering capabilities and are perfect for use in low light con...

Pentax SP 12x50 WP Binoculars  Large objective lens elements provide maximum light gathering capabilities and are perfect for use in low light co...