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Bintel Glebe
Usually ready for pickup in 24 hours
Bintel 84 Wentworth park road, Glebe, 2073, NSW
Phone:(02) 9518 7255
Hours:
Monday9:30 am–5:30 pm
Tuesday9:30 am–5:30 pm
Wednesday9:30 am–5:30 pm
Thursday9:30 am–5:30 pm
Friday9:30 am–5:30 pm
Saturday9:30 am–4 pm
SundayClosed
Valentine's day sale 2026
6 products
6 products
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$1,049.00
Sky-Watcher Star Adventurer GTi 操作简单,提供多种组合,满足您天文摄影的所有需求,是一款高精度、GOTO 快速寻星、稳定的天文摄影支架。小巧便携,是天文爱好者旅行、天文摄影和观测的最佳选择。
https://www.youtube.com/watch?v=9obanV-fPYA
Sky-Watcher Star Adventurer GTi 可以安装在标准摄影三脚架上,但 BINTEL强烈建议使用配套的 GTI 三脚架:
Celestron EdgeHD 9.25 OTA
高清观看宇宙
EdgeHD 是一款消球差、平场施密特-卡塞格林望远镜,可在宽广的视觉和摄影视野范围内产生无像差图像。该光学系统的设计不仅是为了减少离轴恒星彗形像差,还提供了天文摄影品质的平焦平面,一直到视野边缘。
真正的天文照相品质
许多自称是“天体照相仪”的光学设计实际上只能在弯曲的焦平面上产生精确的星星。虽然这对于某些视觉观察来说可能是可以接受的,但当与数码相机的平面芯片传感器一起使用时,星星会在边缘处失焦。EdgeHD 光学器件产生的焦平面比标准施密特-卡塞格林望远镜的平面平整三倍以上,并且比竞争的无彗形设计平整得多。这保证了您可以在当今一些最大的 CCD 芯片上清晰地看到星星。
提高性能
卓越的边缘性能不仅可以创造出更圆、更令人愉悦的星星,而且与同等孔径的望远镜相比,它实际上提高了分辨率和极限星等。EdgeHD 光学系统的每个表面都采用 Celestron 的 StarBright XLT 光学涂层,可为您提供最宽的视觉和摄影光谱范围内的最大光通量。
机械特性
除了 EdgeHD 优化的光学设计之外,望远镜筒也经过了重新设计,以确保您每晚都能最大限度地利用光学元件。
- 镜子离合器- 灵活的张力离合器将镜子固定到位,并在拍摄长时间曝光的天文图像时减少图像偏移。一旦聚焦,灵活的杆就可以将镜子固定到位,而无需对镜子组件施加任何力或压力,使图像保持在目镜(或传感器)的中心。
- 管状通风口- 位于后部电池上的冷却通风口可让热空气从主镜后面排出。每个通风口都配有一个集成的 95 微米微网过滤器,可确保排出暖空气而不会让灰尘进入。
- Fastar 多功能性- EdgeHD 是当今市场上功能最全面的成像望远镜。在其原生 f/10 光圈下,您可以获得捕捉最小深空物体所需的图像比例。添加可选的减焦镜头(为您的 EdgeHD 镜筒尺寸定制设计),您可以增加视野,而不会牺牲光学性能。巴罗镜可为您提供高分辨率行星、月球和太阳成像的附加功能。所有 EdgeHD 光学镜筒均兼容 Fastar,允许移除副镜并更换为第三方镜头配件,以实现超快 f/2 广角成像。
单独测试
每台出厂的 EdgeHD 不仅经过了每个光学元件表面质量的测试,还经过了相机和人造星的测试,以确保成像系统符合我们严格的质量保证。这项“最终验收测试”确认 EdgeHD 将在现场表现出色并提供高质量的天文图像。
规格
| 光学设计 | 边缘高清 |
|---|---|
| 孔径(毫米) | 234.95 毫米(9.25 英寸) |
| 焦距 | 2350 毫米 |
| 焦距比 | 10 |
| 目镜焦距1 (mm) | 23 毫米 |
| 目镜放大倍数 1 | 102 x |
| 寻星镜 | 9x50 |
| 星对角线 | 2 英寸,带 1.25 英寸适配器 |
| 光学筒 | 铝 |
| 限制恒星星等 | 14.4 |
| 分辨率(瑞利) | 0.59 角秒 |
| 解析度(道斯) | 0.49 角秒 |
| 聚光能力(与人眼相比) | 1127 x |
| 次镜遮挡 | 3.35 英寸(85 毫米) |
| 次镜直径遮挡 | 36% |
| 次镜遮挡面积 | 13% |
| 光学涂层 | 星光闪耀 XLT |
| 光学管长度 | 559 毫米 |
| 光学筒重量 | 9.53公斤 |
| 燕尾兼容性 | CGE 安装 |
Sky-Watcher HelioFind 太阳跟踪支架重量轻,使用极其简单。无需担心前一天晚上或清晨校准设备。HelioFind 使用其专利的 HelioFind 太阳探测器和内置 GPS,只需按一下按钮,即可自动调平和计算太阳的方位角和高度。一旦自动校准,支架便会一次定位并跟踪太阳数小时。HelioFind 非常适合日食追逐者、白天教授科学和天文学的教育工作者或任何对我们最近的恒星着迷的人。
厌倦了浪费半天时间不凝视太空?等不及太阳下山开始观测活动?需要满足课堂上的科学课程标准?已经在计划下一次日全食之旅了吗?没有什么比 Sky-Watcher 的 HelioFind 更能让我们轻松有趣地观测我们的恒星了!
您将需要一个小型专用的太阳望远镜或装有合适太阳滤镜的小型望远镜。
在阳光明媚的日子将 Sky-Watcher HelioFind 带到户外,打开它,它就会自动定位并指向太阳,然后在一天的剩余时间里跟踪它。您无需对齐它或进行任何其他调整
非常适合使用白光太阳滤镜观察太阳黑子、行星凌日、国际或中国空间站凌日和日食。或者,安装 H-Alpha 太阳滤镜,直接观察太阳表面细节,同时跟踪风暴日珥、细丝、斑块,甚至太阳耀斑和日冕物质抛射的每日变化。
可与任何标准摄影三脚架一起使用(不包括在内)
适合 Meade Coronda PST 或 Lunt 40mm、Lunt 50mm H-Alpha 瞄准镜的完美平台。
SkyWatcher HelioFind Mount 仅用于太阳观测。
$7,749.00
使用 Celestron 的 Rowe-Ackermann Schmidt 天文照相仪 (RASA 11) V2,捕捉令人印象深刻的深空天文图像比以往任何时候都更容易,它是当今顶级 DSLR 或天文 CCD 相机的完美伴侣。与传统的 f/10 天文成像相比,这种快速、宽视场 f/2.2 系统允许更短的曝光时间,而不会牺牲分辨率。由于可以缩短亚曝光时间,您的赤道仪不需要长时间准确跟踪。短焦距也减少了赤道跟踪要求。在许多情况下,不需要自动导航。
RASA 11 V2 以 Celestron 施密特相机为基础,该相机允许天文摄影师在 20 世纪 70 年代在胶片上拍摄出曝光时间更短的图像。
如今,由于 CCD 传感器尺寸与胶片一样大或更大,RASA 11 V2 可提供 43.3 毫米优化成像圈,以在最大的成像芯片上捕捉精确的星点。对角线宽度高达 52 毫米的巨型传感器而言,光学性能仍然非常出色。
将这个大像圈与仅 620 毫米的焦距相结合,您将拥有一种适合广角成像的仪器,可以创建夜空的巨大马赛克、进行测量,甚至搜寻彗星。
光学性能
RASA 11 V2 的光学元件采用 4 元件稀土玻璃,可消除伪色和彗形像差和场曲等像差。对于这个价格范围内的天文照相仪而言,整个像圈的光学质量和光斑大小是前所未有的,甚至比更昂贵的仪器还要好。该设计还可最大程度地减少晕影。
高级功能
RASA 11 V2 采用超稳定对焦系统 (USFS)。该系统的核心是精密线性滚珠轴承。该轴承用于最大限度地减少焦点偏移(主镜在对焦过程中不必要的横向运动,导致图像偏移)和镜面翻转(望远镜指向天空中不同位置时主镜的移动)。USFS 还与可选的 Celestron 对焦电机 (#94155-A) 兼容。集成的 12V DC MagLev 风扇可缩短冷却时间并通过防尘光学管提供最佳气流。
RASA 11 V2 被设计为一个完整的天文成像系统,其每个组件都针对 DSLR 和天文 CCD 相机的最佳性能进行了优化。系统的每个组件都经过仔细考虑,包括随附的全多镀膜光学窗口或可选成像滤镜中使用的玻璃厚度,以实现无缝协作。光学管顶部的燕尾 CGE 杆提供了连接,可使用导星镜等可选配件。
| 光学管信息: | |
|---|---|
| 光学设计 | 罗威-阿克曼施密特天文照相仪 |
| 光圈 | 279毫米(11英寸) |
| 焦距 | 620毫米(24.4英寸) |
| 焦距比 | f/2.2 |
| 中心阻塞直径 | 114 毫米(4.48 英寸)(孔径直径的 41%) |
| 聚光能力(与人眼相比) | 1588x |
| 分辨率(瑞利) | 0.49 角秒 |
| 解析度(道斯) | 0.41 角秒 |
| 图像圈 | 43.3 毫米 (1.7") Ø , 4.0° |
| 可用字段 | 52 毫米(2.04 英寸)Ø,4.8°,视场边缘性能损失极小 |
| 波长范围 | 400 - 700 纳米 |
| 光斑尺寸 | 视场范围内 RMS < 4.4 μm |
| 光学涂层 | 星光闪耀 XLT |
| 离轴照明 | 离轴 21 毫米 (.82") 处为 83% |
| 光学窗口 | 68毫米(2.67英寸)直径 |
| 使用附带的相机适配器进行后焦 | 55毫米(2.16英寸) |
| 从螺纹环顶部向后对焦 | 72.8 毫米 (2.86 英寸) |
| 光学筒 | 铝 |
| 光学管长度 | 838.2 毫米 (33") |
| 光管直径 | 330.2 毫米 (13") |
| 调焦器 | 超稳定对焦系统 |
| 寻星镜 | 不包括 |
| 光学筒重量 | 43 磅(19.5 千克) |
| 其他功能 | 通风风扇,双燕尾安装杆 |
| 包含物品 | 42mm(1.65英寸)T型螺纹相机适配器 | 48mm(1.89英寸)相机适配器 | 防尘罩 | 风扇电池组 |
| 燕尾榫 | CGE 燕尾榫杆 |
介绍 iOptron 革命性的混合谐波驱动支架HEM27 。这些重量轻、有效载荷高的微型巨无霸将带来前所未有的天文体验。想象一下,一个支架头重 3.7 公斤,有效载荷能力为 13.5 公斤,无需笨重的配重或轴。HEM27 运用iOptron数十年打造精密支架的经验,将这一愿景变为现实。
HEM27 采用最先进的谐波驱动技术,结合无间隙 DEC 蜗杆/皮带驱动设计,实现了无与伦比的重量与有效载荷效率。其黑色阳极氧化全金属 CNC 加工机身不仅外观漂亮,而且坚固耐用,在未来许多年内都能保持最高性能。独特的功能(如电子摩擦制动和断电记忆)可让支架安全停止和恢复 GoTo 旋转,或者在突然断电后继续跟踪(无需重新调整并从头开始)。
特征
- 先进的谐波传动技术
- 有效载荷能力为 13.5 公斤,安装重量为 3.7 公斤
- CNC 加工和铸造的金属机身
- 独特的摩擦制动器可在计划内或计划外断电期间安全停止运动
- 360秒档位周期
- 永久周期误差校正(PPEC)
- Go2Nova® 手动控制器,带有 ~212,000 个对象数据库
- 电缆管理系统,无需将外部电缆悬挂到运动部件上
- 双鞍座(Vixen 和 Losmandy-D 款式)
- 内置零位搜索和定位器
- 断电位置和位置记忆
- 集成 ST-4 自动导航端口
- 内置 Wi-Fi(通过手动控制器)
- USB 端口用于固件升级和计算机控制
- 软质便携包
注意:不包括三脚架(单独提供)
The night sky, at f/2.2.
The smallest Rowe-Ackermann Schmidt Astrograph ever built. Ultra-fast prime-focus optics, sub-arcsecond resolution and 3.8 kg of grab-and-go portability for serious deep-sky astrophotography, anywhere.
Professional optics. In a body you can carry with one hand.
Patented Rowe-Ackermann Schmidt architecture.
The RASA places the camera at prime focus, the same position used by professional wide-field survey telescopes. No secondary mirror, no Barlow, no lost light. More photons reach your sensor, in less time.
Since RASA technology debuted in 2014, defence contractors, professional researchers and governments have relied on it for space surveillance and satellite tracking. The RASA 6 delivers that same proven design in a portable package.
- Schmidt corrector plate and primary mirror minimise optical aberrations across the field
- Three-element rare-earth glass lens group ensures sharp, flat focus edge-to-edge
- Spot size under 1.5 μm RMS across the full image circle
NGC 6888. The Crescent Nebula.
Captured with the RASA 6 and an astronomical CMOS camera. Short sub-exposures stack into stunning images in a fraction of the time needed by slower instruments.
Four reasons it’s unlike anything else in its class.
Speed, resolution, portability and field of view, all engineered into one compact prime-focus astrograph.
Lightning-fast astrophotography at f/2.2.
The RASA 6’s blazing focal ratio dramatically shortens sub-exposure times. Faint deep-sky objects that would take hours with a typical refractor can be captured in a fraction of that time. Paired with live-stacking software, bright detailed images appear on your screen in just minutes. In many conditions you can image without an autoguider, simplifying your entire setup.
Sub-arcsecond potential.
Despite its compact size the 152 mm aperture delivers a Dawes resolution of 0.76 arc seconds. Pair it with a high-resolution CMOS camera in steady seeing and you will resolve fine structure in galaxies, nebulae and star clusters that smaller instruments cannot touch. The flat field means stars stay sharp from the centre all the way to the corner of the sensor.
Grab-and-go, genuinely.
At 3.8 kg the RASA 6 is light enough to carry with one hand and fits in a bag alongside your mount. The CG-5 dovetail means it drops straight onto most mid-range tracking mounts without adapters. Chase dark skies without compromising on optical performance. This is the astrograph you will actually take with you.
Wide field without sacrifice.
The RASA 6 is designed for sensors up to 22 mm diagonal, delivering a useable field of 3.76°. Wide enough to frame the Orion Nebula, the Pleiades and large emission nebulae in a single shot. Off-axis illumination of 91% at 8 mm means the field stays bright from edge to edge, reducing processing time on flats and vignette correction.
StarBright XLT. Maximum light throughput.
Every refractive and reflective surface is treated with Celestron’s proprietary StarBright XLT multi-layer coating. The result is exceptional light transmission and superior field illumination across the full wavelength range from 400 to 700 nm.
The RASA design outperforms a Schmidt-Cassegrain in Fastar-style configuration for field illumination. Less vignette, less processing, more imaging.
M42. The Orion Nebula.
IMX183C colour CMOS camera. 60 × 2 min exposures plus 20 × 15 sec exposures for the bright core. The wide field and fast optics of the RASA 6 capture the full extent of the nebula in a single frame.
Everything the modern astroimager needs, integrated.
A filter drawer, a cooling fan, a camera adapter and a CG-5 dovetail. Ready to image, straight out of the box.
1.25″ and 2″ filters. Without slowing you down.
The built-in filter drawer accepts both 1.25″ and 2″ filters. A removable 2″ clear optical window ships as standard. Unlike many fast astrographs, swapping in a filter adds no extra glass to the optical path, so f/2.2 performance is fully preserved.
Thermal equilibrium, fast.
The integrated 12V DC MagLev fan pulls air through mesh vents to rapidly cool the optical system to ambient temperature. Sharper stars and better images from the moment you start. The fan battery pack is included.
Plug a CMOS camera straight in.
The included M42 T-thread camera adapter attaches most popular astronomical CMOS cameras directly to the RASA 6 without extension tubes. The 42 mm clear aperture comfortably accommodates sensors up to 22 mm diagonal. Back focus with the included adapter is 17.5 mm.
Mount-ready, no adapters.
The CG-5 dovetail bar is compatible with a wide range of tracking mounts straight out of the box. No adapters, no Vixen-to-Losmandy conversions. Ready to image as soon as you saddle up. For maximum performance, add the optional Celestron Focus Motor for electronic focus control.
Results from the RASA 6.
Sample images taken with the RASA 6 and an IMX183C colour CMOS camera at f/2.2.
Highlights.
Everything that makes the RASA 6 the most portable serious astrograph in its class.
152 mm (5.98″) aperture, 335 mm focal length, f/2.2 prime focus
Patented Rowe-Ackermann Schmidt prime-focus astrograph optical design
StarBright XLT multi-layer coatings on every refractive and reflective surface
91% off-axis illumination at 8 mm and 472× light-gathering vs the eye
Useable field of 3.76° for sensors up to 22 mm diagonal
Built-in 1.25″ / 2″ filter drawer with included clear optical window
Integrated 12 V DC MagLev cooling fan with battery pack
3.8 kg optical tube with CG-5 dovetail for fast mount setup
Celestron RASA 6.
Complete technical data for your imaging setup planning.
| Optical Tube | |
| Optical design | Rowe-Ackermann Schmidt Astrograph |
| Aperture | 152 mm (5.98″) |
| Focal length | 335 mm (13.18″) |
| Focal ratio | f/2.2 |
| Optical coatings | StarBright XLT (all refractive and reflective surfaces) |
| Tube material | Aluminium |
| Tube length | 609.6 mm (24″) |
| Tube diameter | 177.8 mm (7″) |
| Weight | 3.8 kg (8.4 lb) |
| Dovetail | CG-5 dovetail bar |
| Focuser | Standard Schmidt-Cassegrain focuser |
| Optical Performance | |
| Central obstruction | 77 mm (3.03″) - 46% of aperture diameter |
| Light-gathering power | 472× vs the human eye |
| Resolution (Rayleigh) | 0.91 arc seconds |
| Resolution (Dawes) | 0.76 arc seconds |
| Spot size | < 1.5 μm RMS across the full image circle |
| Off-axis illumination | 91% at 8 mm (0.31″) off-axis |
| Wavelength range | 400–700 nm |
| Field of View & Camera Interface | |
| Image circle | 16 mm (0.63″) Ø, 2.74° |
| Useable field | 22 mm (0.86″) Ø, 3.76° (minimal performance loss at edge) |
| Camera mounting threads | M42 |
| Back focus (with adapter) | 17.5 mm (0.69″) |
| Filter System | |
| Filter drawer | Accepts 2″ format filters, includes 1.25″ adapter |
| Clear filter included | 2″ AR-coated optical window, 2 mm glass |
| Cooling & Electronics | |
| Cooling fan | 12 V DC MagLev |
| Fan power | Fan battery pack (included) |
| In the Box | |
| Included items | M42 (42 mm T-thread) camera adapter, fan battery pack, filter drawer with 2″ clear filter |
Professional optics. Portable by design.
The same prime-focus optical technology trusted by defence contractors and professional researchers, now in a grab-and-go package built for serious Australian astrophotographers. Backed by Bintel’s 40 years of expert optics support.
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