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景德最新五枚玉專利設計 - 口徑71mm 焦距350.2mm 焦比f/4.9，45mm成像圈，攝影利器﹗

FPL-53 glass for color free apochromatic performance

五枚玉設計 － 五枚三組 (3-1-1- configuration; new, unique, patented design - not a conventional objective/flattener/reducer design).

2.5" dual speed R&P focuser.

Includes mounting rings and Vixen style dovetail.

Weight = 4.5 lbs / 2.05 kg (OTA only); 5.3 lbs / 2.4 kg (OTA with rings and dovetail).

Focuser drawtube travel = 1.38" / 35mm.

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71 mm clear aperture and F/5.9 focal ratio

Japanese imported Ohara glass doublet air-spaced

Super-high transmission coating (STM Coating)

Perfect for piggybacking as a guide scope.

William Optics new rotatable Rack & Pinion focuser with 1:10 micro focuser

GTF81 5 elements APO

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日本製 ED 玻 璃 ，鏡筒台灣CNC高精度鑄製 Japan FPL-53 lens

五枚玉設計 － 前三片後兩片

口徑 81mm, 焦距 535mm， 焦比f/6.6

2.0" Rack & Pinion 1︰10 數位顯示式 (DDG) 調焦座

special super-high transmission coating (STM 鍍膜)

GTF102 5 elements APO

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日本製 ED 玻 璃 ， 鏡筒台灣CNC高精度鑄製 Japan FPL-53 lens

五枚玉設計 － 前三片後兩片

口徑 102mm, 焦距 783mm， 焦比f/7.68

2.5" Rack & Pinion 1︰10 數位顯示式 (DDG) 調焦座

special super-high transmission coating (STM 鍍膜)

Gran Turismo 81 f/5.9 APO

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日本製 ED 玻 璃 － 三枚玉設計， 鏡筒台灣CNC高精度鑄製 Japan FPL-53 lens

口徑 81mm, 焦距 478mm， 焦比f/5.9

2" Rack & Pinion 1︰10 調焦座

special super-high transmission coating (STM 鍍膜)

GT102 102mm f/6.9 APO

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日本製 ED 玻 璃 － 三枚玉設計， 鏡筒台灣CNC高精度鑄製 Japan FPL-53 lens

口徑 102mm, 焦距 703mm， 焦比f/6.9

2.5" Rack & Pinion 1︰10 調焦座

special super-high transmission coating (STM 鍍膜)

2014 NEW William Optics FLT98 with new R&P RotoLock Focuser (最新)

FLT98 白色鏡筒，日本FPL-53鏡片，最新可360度旋轉R&P RotoLock Focuser，人手制造，100%檢查

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FLT98 2014 : 10:1 RotoLock 對 焦 座，影像圈可達80mm， 包 含 :抱 箍 2個，軟包
FLT98 2014 : 10:1 RotoLock focuser, mounting rings, soft carry bag

FLT 132 Triplet APO

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日本製 ED 玻 璃 － 三枚玉設計， 鏡筒台灣CNC高精度鑄製 Japan FPL-53 lens

口徑 132mm, 焦距 925mm， 焦比f/7

4" Rack & Pinion 1︰10 調焦座

special super-high transmission coating (STM 鍍膜)

有貨 stock available
William Optics 50mm with guiding rings & mount base 導星鏡 / 尋星鏡 + 支架圈 + 底座

High-quality fully multi coated WO 50mm f/4 guiding/finderscope

Guiding scope gives sharpest image and straight through viewing with an inverted image.

Angle version is fully correct image

5.7 deg field of view

1.25" Helical focusers can accept all standard 1.25" eyepiece

2" DDG SCT focuser 數位顯示對焦座

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羽毛調焦 + 數位顯示對焦座

DDG comes with digital display guage, temperature and humidity display, soft case
數位顯示讀數，可顯示調焦指標，日期， 時間，溫度，濕度，等資料

SWAN (Super Wide Angle) 目鏡系列

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• Outstanding super-wide field of view: 72 deg. F.O.V.

• Fully Multicoated lenses for excellent transmittance.

• Outstanding chromatic aberration correction.

• Excellent contrast and light throughput for sharp viewing.

• Available in 9mm, 15mm, 20mm, 25mm, 33mm and 40mm

SPL (Super Planetary Long eye-relief) 目鏡系列

存貨: SPL 6/ 12.5mm 有現貨 Stock available for SPL 6/ 12.5mm

Special glasses and perfect multi-coatings

Good transmittance and excellent color rendition

High Power and High Contrast

Great contrast and sharp to the edges, distortion-free EXTRA details

Long Eye relief

Available in three focal lengths, 3mm, 6mm, and 12.5mm

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William Optics high quality binoviewer, 2nd generation

雙目裝置+20mm 66°廣角目鏡+1.6x Binoviewer

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A: 景德第4代平場鏡縮焦鏡 0.75~0.8x 可調式

William Optics AFR-IV Adjustable Flattener and (0.75x-0.8x) reducer (P-FLAT 4) for 500-1000mm refractors, 66mm-86mm back focus, clear aperture 50mm, weight 540g
Rotating T-ring thread for any 35mm camera. The T-ring adapter is provided with a lock screw and extra lock retaining screws.
SUITABLE FOR ‧ M90(2010 model), FLT98, FLT110, FLT132 and many others

B: 高質量燕尾板 WO Vixen style dovetail plate M-PS

This WO Vixen style dovetail plate also fit Vixen mounts, Portal mount and Synta mounts (EQ-#), Orion Atlas EQ-G, EQ5. William Optics EAZY-Touch Alt-Az Mount, Meade LXD-55 and LXD-75 mounts, Celestron CG-5 or CG-5GT Advanced Series go-to mounts.

C: 2" photo adapter with 42mm T2 thread 2寸攝影套管

D: 2" extension tube with brass compression ring 2寸延長管

E: (NEW ) 2" DURA BRIGHT dielectric diagonal 1/12λ 99% reflectivity
2寸超級光亮電介膜天頂鏡

F: 1.25" carbon fibre Dielectric diagonal 1.25寸電介膜天頂鏡

G: 1.25" erecting prism, BAK4 prism, clear aperture 25mm 1.25寸正像稜鏡

Flattener 6 : best for small aperture telescope (60-80mm)
Detail specifications 詳細規格

Price: please ask