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Your partner for astronomy
Kowa

Since 1952, Kowa’s opto-electronics department has been designing and producing top-of-the-range spotting scopes that were used as the official observation devices during the 1964 Olympic Games in Tokyo. Kowa products are valued for their reliability and superior quality by customers all over the world. The development of the high-end PROMINAR series demonstrates the cumulative experience of over half a century in the design and production of top-class optical devices.

The extraordinary skill that Kowa have at developing binoculars and spotting scopes is evident in the sophistication of their optical instruments. Their portfolio of binoculars ranges from handy pocket binoculars right up to the XD series of large-format binoculars designed for the highest optical demands. Kowa spotting scopes are considered an insider’s tip by ornithologists.

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Kowa adapter ring TSN-AR11WZ
Kowa
adapter ring TSN-AR11WZ
$ 34.90
ready for shipping in 24 h
Kowa Smartphone adapter TSN-Twist-Up locking rings
Kowa
Smartphone adapter TSN-Twist-Up locking rings
$ 13.90
ready for shipping in 3-7 days
Kowa Protection filter 72mm TP-72FT
Kowa
Protection filter 72mm TP-72FT
$ 176.00
ready for shipping in 3-7 days
Kowa Eyepiece TE-80XW
Kowa
Eyepiece TE-80XW
RRP:  $ 730.00
Our price:
$ 660.00
ready for shipping in 3-7 days
Kowa Bag C-66A-N Stay-on-Case
Kowa
Bag C-66A-N Stay-on-Case
$ 229.00
ready for shipping in 3-7 days
Kowa Zoom eyepiece TE-11WZ II 25-60X / 30-70X
Kowa
Zoom eyepiece TE-11WZ II 25-60X / 30-70X
RRP:  $ 780.00
Our price:
$ 710.00
ready for shipping in 24 h
Kowa TSN-PA7A DSLR adaptor for digiscoping
Kowa
TSN-PA7A DSLR adaptor for digiscoping
$ 208.00
ready for shipping in 3-7 days
Kowa TSN-EX16 1,6x Extender (TSN-880/770)
Kowa
TSN-EX16 1,6x Extender (TSN-880/770)
RRP:  $ 343.00
Our price:
$ 309.00
ready for shipping in 3-7 days
Kowa TSN-CV88A eyepiece protector with twist-up function
Kowa
TSN-CV88A eyepiece protector with twist-up function
$ 104.00
ready for shipping in 3-7 days
Kowa adapter ring TSN-AR YS
Kowa
adapter ring TSN-AR YS
$ 34.90
ready for shipping in 24 h
Kowa AS1.25K 1.25" Astro Adaptors for TSN spotting scopes
Kowa
AS1.25K 1.25" Astro Adaptors for TSN spotting scopes
$ 34.90
ready for shipping in 3-7 days
Kowa TSN AR66Z adapter ring for TE-9Z, TE 9WH, TE 9WD smartphones
Kowa
TSN AR66Z adapter ring for TE-9Z, TE 9WH, TE 9WD smartphones
$ 34.90
ready for shipping in 3-7 days
Kowa TSN-EX16s 1.6X spotting scope extender (for TSN-600/660 / 82SV)
Kowa
TSN-EX16s 1.6X spotting scope extender (for TSN-600/660 / 82SV)
$ 291.00
ready for shipping in 3-7 days
Kowa Bag C-55A-N Stay-on-Case
Kowa
Bag C-55A-N Stay-on-Case
$ 197.00
ready for shipping in 1-2 weeks
Kowa Bag C-55S-N Stay-on-Case
Kowa
Bag C-55S-N Stay-on-Case
$ 197.00
ready for shipping in 1-2 weeks
Kowa C-88A-N Neoprene bag for TSN-88A PROMINAR (Inclined view)
Kowa
C-88A-N Neoprene bag for TSN-88A PROMINAR (Inclined view)
$ 239.00
ready for shipping in 3-7 days
Kowa Bag C-99AN TSN-99A PROMINAR
Kowa
Bag C-99AN TSN-99A PROMINAR
$ 249.00
ready for shipping in 3-7 days
Kowa Smartphone adapter TSN-IP15 Pro RP for iPhone 15 Pro
Kowa
Smartphone adapter TSN-IP15 Pro RP for iPhone 15 Pro
$ 130.00
ready for shipping in 3-7 days
Kowa Smartphone adapter TSN-IP14 Pro Max RP suitable for iPhone 14 Pro Max
Kowa
Smartphone adapter TSN-IP14 Pro Max RP suitable for iPhone 14 Pro Max
$ 130.00
ready for shipping in 3-7 days
Kowa Smartphone adapter TSN-IP15 Pro Max RP for iPhone 15 Pro Max
Kowa
Smartphone adapter TSN-IP15 Pro Max RP for iPhone 15 Pro Max
$ 130.00
ready for shipping in 3-7 days
Kowa Smartphone adapter TSN-GA S20 RP
Kowa
Smartphone adapter TSN-GA S20 RP
$ 122.00
ready for shipping in 3-7 days
Kowa Smartphone adapter TSN-GA S9+ RP für Samsung Galaxy S9+
Kowa
Smartphone adapter TSN-GA S9+ RP für Samsung Galaxy S9+
$ 122.00
ready for shipping in 3-7 days
Kowa Smartphone adapter TSN-GA S20+ RP
Kowa
Smartphone adapter TSN-GA S20+ RP
$ 122.00
ready for shipping in 24 h
Kowa Smartphone adapter TSN-GA S22 Ultra RP
Kowa
Smartphone adapter TSN-GA S22 Ultra RP
$ 114.00
ready for shipping in 3-7 days
Kowa C-601 readiness bag for series of TSN-601 and TSN-603
Kowa
C-601 readiness bag for series of TSN-601 and TSN-603
$ 61.00
ready for shipping in 3-7 days
Kowa adapter ring TSN-AR Z.Dialyt for ZEISS DIALYT 18-45x65
Kowa
adapter ring TSN-AR Z.Dialyt for ZEISS DIALYT 18-45x65
$ 52.00
ready for shipping in 3-7 days
Kowa adapter ring TSN-AR-TCTX for Swarovski ATC/STC/ATX/STX
Kowa
adapter ring TSN-AR-TCTX for Swarovski ATC/STC/ATX/STX
$ 34.90
ready for shipping in 24 h
Kowa adapter ring TSN-AR50L
Kowa
adapter ring TSN-AR50L
$ 34.90
ready for shipping in 24 h
Kowa Camera adaptor TSN-PZ Vario Fotoadapt., for APS-C format digital SLR f=680-1000mm
Kowa
Camera adaptor TSN-PZ Vario Fotoadapt., for APS-C format digital SLR f=680-1000mm
RRP:  $ 468.00
Our price:
$ 421.00
ready for shipping in 3-7 days
Kowa Bag C-500G neoprene case for TSN-500 series GREEN
Kowa
Bag C-500G neoprene case for TSN-500 series GREEN
$ 35.90
ready for shipping in 24 h
Kowa TSN AR66HL adapter ring for TE-14WH, 21WH, 14WD, 14WE and 21WD binoculars
Kowa
TSN AR66HL adapter ring for TE-14WH, 21WH, 14WD, 14WE and 21WD binoculars
$ 34.90
ready for shipping in 3-7 days
Kowa adapter ring TSN-AR500A
Kowa
adapter ring TSN-AR500A
$ 34.90
ready for shipping in 3-7 days
Kowa adapter ring T2 Adaptors for M4/3 Connection
Kowa
adapter ring T2 Adaptors for M4/3 Connection
$ 26.90
ready for shipping in 3-7 days
Kowa Bag C-99S-N Neopren SOC
Kowa
Bag C-99S-N Neopren SOC
$ 249.00
Sale price:
$ 152.02
ready for shipping in 24 h
Kowa Protection filter 58mm TP-58FT
Kowa
Protection filter 58mm TP-58FT
$ 166.00
ready for shipping in 24 h
Kowa Protection filter 95mm TP-95FT
Kowa
Protection filter 95mm TP-95FT
$ 218.00
ready for shipping in 24 h

Further information about Kowa

Kowa Imagebild Spektiv

Founded in 1894, the Kowa Company Ltd. is one of the largest privately owned companies in Japan and ranks fifth among the largest trading companies. This fantastic success has been, and still is, achieved by people working together for a greater, common goal. This has meant that Kowa remains a leader in many business areas. To sustain such coherence requires continuous perseverance and leadership, especially in the midst of highly dynamic markets. In order to retain their competitive advantage, Kowa has launched several highly successful divisions: Electronics & Optics (including binoculars and spotting scopes), Pharmaceutical, Textile and Non-Textile.

Since founding the Electronics and Optics Department in 1946, Kowa has combined electronics, mechanics and optics to create important new technologies. Research and development takes place in the company's own plants in Hamamatsu and Chofu, where the development and testing of products is a continual process. The production of lenses for Kowa binoculars, including the grinding and smoothing of the most difficult types of lenses, is carried out at their Glamagorie factory. All of Kowa's manufacturing facilities are dedicated to the production of highly innovative and cost-effective optical products.

Kowa focuses on the world's three largest markets - Asia, Europe and America, and pays close attention to consumer requirements. This is how Kowa has managed to maintain its leading role in the fields of optics and electronics.