- 1.25″ threaded extender tube (17.5-mm)
Showing 1–24 of 107 results
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1.25 Extender
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1.25 inch Drawer Holder
- Extra 1.25″ drawer for Filter Drawer MAX or MINI
- M28.5×0.6 female thread for 1.25″ filter
- Lightweight Aluminum 6061-T6 (approx. 16 g)
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1.25 inch Silicone Camera Cover
- 1.25″ silicone dust cover
- Protects camera barrel or filters
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1.25-2 ROTOLOCK
- 1.25″ → 2″ ROTOLOCK adapter
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1.25-M42 ROTOLOCK
- 1.25″ to M42 adapter with RotoLock
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100mm Mini Guiding Set
- 100 mm guide scope set (3 metal parts)
- Compact guiding solution for small sensor cameras
- Durable metal build
- Not suitable for planetary cameras
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2 inch Drawer Holder
- Extra 2″ drawer for Filter Drawer MAX or MINI
- M48x0.75 female thread for 2″ filter
- Lightweight Aluminum 6061-T6
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SOLD OUT 
2.1mm CS lens
- 2.1 mm CS wide-angle lens
- Ultra-wide sky coverage
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SOLD OUT 
2.5mm CS lens
- 2.5 mm CS-mount lens
- Wide-field for sky monitoring
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Active Cooling System (ACS) for uncooled cameras
- External cooler for uncooled cameras
- Reduces sensor temp by ~15 °C
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Air Blaster
- Manual air blower for optical cleaning
- Safe for sensors, filters, lenses
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All-sky 2.1 kit
- All-sky kit with 2.1 mm lens
- 150° FOV
- Includes tripod, CS adapter and lens
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All-sky 2.5 kit
- All-sky kit with 2.5 mm lens
- 170° FOV
- Includes tripod, CS adapter and lens
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Anti-Halo 2 inch UV IR-CUT Filter
- UV/IR-cut (visible-pass) filter: ≥ 95% transmittance
- Blocking depth OD 4.0 (outside 400-700 nm)
- Frame ~7.5 mm thick (5 mm body + 2.5 mm thread); glass 1.85 mm
- Slim profile fits drawer and filter-wheel systems
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Anti-Halo PRO Dual-Band 2 inch Ha+OIII filter
- Dual-band: Hα 656.3 nm (3.7 ± 0.5 nm) & OIII 500.7 nm (3.2 ± 0.5 nm)
- Transmission ≥ 85%; OD 5 blocking 200-1100 nm
- Glass thickness 1.85 mm; total frame ≈ 7.5 mm
- Special coating eliminates halos around bright stars
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Apollo 428M MAX
- Sensor: Sony IMX428 mono
- Format: 14.5 mm x 9.9 mm (1.1″)
- Max Resolution: 3216×2208 (7.1 MP)
- Pixel Size: 4.5 µm (BIN2 = 9 µm)
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Apollo 428M MAX Pro
- Sensor: Sony IMX428 mono
- Format: 14.5 mm x 9.9 mm (1.1″)
- Max Resolution: 3216×2208 (7.1 MP)
- Pixel Size: 4.5 µm (BIN2 = 9 µm)
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Apollo-C
- Sensor: Sony IMX174 color
- Format: 11.3 mm x 7.1 mm (1/1.2″)
- Max Resolution: 1936×1216 (2.3 MP)
- Pixel Size: 5.86 µm
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Apollo-M
- Sensor: Sony IMX174 mono
- Format: 11.3 x 7.1 mm (1/1.2″)
- Max Resolution: 1936×1216 (2.3 MP)
- Pixel Size: 5.86 µm
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Apollo-M MAX
- Sensor: Sony IMX432 mono
- Format: 14.5 x 9.9 mm (1.1″)
- Max Resolution: 1608×1104 (1.7 MP)
- Pixel Size: 9 µm
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Apollo-M MAX Pro
- Sensor: Sony IMX432 mono
- Format: 14.5 mm x 9.9 mm (1.1″)
- Max Resolution: 1608×1104 (1.7 MP)
- Pixel Size: 9 µm
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Apollo-M MINI
- Sensor: Sony IMX429 mono
- Format: 8.75 x 6.6 mm (2/3″)
- Max Resolution: 1944×1472 (2.8 MP)
- Pixel Size: 4.5 µm
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Ares-C Pro
- Sensor: Sony IMX533 color
- Format: 1″ square (16 mm diagonal)
- Max Resolution: 3008×3008 (9 MP)
- Pixel Size: 3.76 µm
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Ares-M Pro
- Sensor: Sony IMX533 mono
- Format: 1″ (16 mm diagonal)
- Max Resolution: 3008×3008 (9 MP)
- Pixel Size: 3.76 µm
