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Description
Celestron NexStar 4SE 102mm f/13 Maksutov-Cassegrain GoTo Telescope WiFi Kit102mm Maksutov Cassegrain Telescope 1325mm Focal Length, f 13 Focal Ratio StarBright XLT Optical Coating System SkyPortal WiFi Module Wirelessly Connect to Smart Devices Use with Free iOS Android SkyPortal App 100,000 Object Database with Sky Tours Expanded History, Info, and Features 1. 25" 25mm Eyepiece Stainless Steel Tripod with Tray B &H put together the NexStar 4SE 102mm f 13 Maksutov Cassegrain GoTo Telescope WiFi Kit to allow you to directly
- 102mm Maksutov-Cassegrain Telescope
- 1325mm Focal Length, f/13 Focal Ratio
- StarBright XLT Optical Coating System
- SkyPortal WiFi Module
- Wirelessly Connect to Smart Devices
- Use with Free iOS/Android SkyPortal App
- 100,000-Object Database with Sky Tours
- Expanded History, Info, and Features
- 1.25" 25mm Eyepiece
- Stainless Steel Tripod with Tray
B &H put together the NexStar 4SE 102mm f/13 Maksutov-Cassegrain GoTo Telescope WiFi Kit to allow you to directly control the mount via your smartphone or tablet running a free app for Android and iOS.
- Celestron NexStar 4SE 102mm f/13 Maksutov-Cassegrain GoTo Telescope
Celestron 's NexStar 4SE 125mm f/13 Maksutov-Cassegrain GoTo Telescope is a powerful, versatile, and user-friendly catadioptric-style scope that can be used for observing everything from the Moon and planets to bright deep-sky objects like stars, galaxies, and nebulae. Using Celestron's proprietary StarBright XLT multi-coating system, light transmission is increased throughout the entire optical path with anti-reflection multi-coated lenses, highly reflective multi-coated mirrors, and crown optical glass elements. Similar to their Schmidt cousins, the Maksutov design exchanges the conventional front corrector plate with a convex meniscus lens, which results in a smaller secondary mirror�limiting obstruction and increasing contrast, while eliminating the need for periodic collimation. While the focal ratio is a relatively slow f/13, the scope's optical performance, added to the mount's precision tracking system and integrated equatorial wedge, allows it to be a competent astrophotography/imaging platform for the Moon and planets.
Driving the dual servo motors on the mount is the brain of the NexStar 4SE: the iconic NexStar+ computer hand controller. Packed with 40,000+ celestial objects, it can hold up to 100 additional user-defined destinations and is updatable via the Celestron website. It has multiple alignment procedures to get you observing fast � including the super-easy SkyAlign system. Capable of being used in the Northern or Southern Hemispheres, the NexStar has sidereal, lunar, and solar tracking speeds to accurately follow near- and deep-sky objects, plus nine slew speeds and the ability to automatically trigger a camera's shutter release for Fastar or piggyback wide-field photography or conventional prime-focus astrophotography.
- Performance
-
- 4" (102mm) aperture
- f/13 focal ratio
- 1325mm focal length
- Maksutov-Cassegrain optical system
- Front convex meniscus lens corrects spherical and chromatic aberrations and comas (off-axis aberration) across the entire field of view
- Smaller secondary mirror versus Schmidt-Cassegrain reduces obstructions and increases contrast
- BK7 optical glass primary mirror
- StarBright XLT optical coatings: Multi-layer aluminum/SiO2 (quartz)/TiO2 (titanium dioxide) mirror coatings with flat reflectivity across the light spectrum for both astrophotography/astroimaging and visual observation
- Multi-layer MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide) anti-reflective lens coatings
- High-transmission water white glass corrector lens with 97.4% light transmission
- Resolution: Rayleigh: 1.36 arcsec / Dawes: 1.14 arcsec
- Secondary mirror obstruction: 1.25", 34.4% by diameter, 11% by area
- Internal 90° flip mirror: With the mirror flipped up, the 90° angle puts head in a comfortable viewing position when scope is pointed at or near the zenith; lay the mirror down to direct light to the visual back for astrophotography/imaging
- NexStar+ Computer Controller
-
- 2-line, 16-character LCD display
- 19 fiber optic backlit red LED buttons
- Database of over 40,000 celestial objects plus 100 user defined
- Automatically slew to planets, stars, constellations, and a variety of catalogs
- Camera control: For piggyback wide-field or conventional astrophotography through the optical tube assembly, the controller can automatically trigger the shutter release to capture the image
- Anti-backlash compensation programs out play between gears for more precise tracking
- Tour Mode: Shows a selection of the most popular objects for the time and date you are observing
- Constellation Tour: Allows you to take a tour of all the best objects within a particular constellation
- Alignment procedures: SkyAlign, Auto 2-Star, 1-Star, 2-Star, and Solar System
- SkyAlign alignment: Takes minutes, with minimal effort or experience �p oint the telescope at three bright objects in the sky, and the telescope does the rest
- Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 0.5°/sec, 2x, 4x, 8x, 16x, and 32x
- Sidereal, Solar, and Lunar tracking rates for observing the fast-moving Moon, to slower-moving deep-space subjects
- Tracking modes: Alt-Az (default, for general GoTo use), EQ North (use for long-exposure astrophotography in Northern Hemisphere with EQ wedge engaged), EQ South (use for long-exposure astrophotography in Southern Hemisphere with EQ wedge engaged), Off (no tracking when using as a terrestrial spotting scope)
- RS-232 communication port allows for computer control
- Flash updatable via the Celestron website
Database Details:
- Solar system objects including the Sun, Moon, and planets
- Named objects
- Stars: Asterims, variable stars, double stars, named stars
- Caldwell catalog
- Messier catalog
- NGC catalog
- SAO catalog
- Constellations
- Mount & Tripod
- Mount:
- Single-fork alt-az
- Dual-axis servo motors allow for precise tracking with virtually no vibration
- Motor resolution: 0.26 arcsec
- Optical encoders track mount movement to improve tracking and GoTo accuracy while allowing the mount to maintain alignment when moved manually
- Communication ports: Autoguider port, Aux port, hand controller
- Runs on eight user-supplied AA batteries or optional 12 VDC power supply
- Stainless steel legs
- Adjustable height accommodates a variety of observation positions or users
- Built-in equatorial wedge enables more precise tracking accuracy during long-exposure astrophotography
- Tray holds accessories such as eyepieces and filters and adds stability and vibration reduction
- Weight: 10 pounds
- Included Accessories
- Eyepiece:
- 1.25" diameter barrel
- 25mm focal length produces 53x magnification
- Anti-reflection multi-coated glass improves color rendition and contrast
- Threaded barrel accepts most 1.25" astronomical filters
- Fold-down rubber eyecup for use with or without eyeglasses
- Projects a single red dot in line of sight
- Unmagnified to make finding objects faster and easier
- Used primarily for alignment process
UPC: 050234110495 - Celestron SkyPortal WiFi Module
Transform your smartphone or tablet into a wireless controller for your computerized telescope with Celestron 's SkyPortal WiFi Module . It plugs into the Hand Control or AUX port and begins to generate it's own WiFi signal to directly connect to your mobile device without the need for a router. Since it uses the telescope's power there are no batteries, plugs, or cables required.
The SkyPortal module works in conjunction with the free SkyPortal mobile app available for iOS and Android devices. The app features a database of over 100,000 objects with astroimages and audio descriptions of hundreds of them including the history, mythology, and key features of them. It can assist with the telescope alignment and if you hold the screen up to sky, it will identify the objects based on your location, date, and time. If you don't know what you want to look at, the SkyPortal app will take you on a guided tour.
- Use and Handling
-
- Plugs into the telescope's Hand Control or AUX port
- Emits its own WiFi signal to directly connect to smartphones and tablets
- Lets you use your device as a wireless hand controller
- Powered by telescope: no batteries, cables, or plugs required
- SkyPortal Planetarium App
-
- Free mobile app for iOS and Android smartphones and tablets
- Tap any celestial object you see in the sky to identify it, tap again to slews to that object
- Directly interfaces with SkyQ Link II WiFi module
- Assists in alignment procedures, except with SkyProdigy models
- Over 100,000 celestial objects from the Moon and planets to galaxies and nebulae
- Provides guided tours of available objects based on location, date, and time
- Works as a stand-alone planetarium app
- Astroimages and audio descriptions for the most popular objects
- Explains the history, mythology, and key features of the most popular celestial objects
- Hold your screen up to the sky to identify objects in Compass Mode
- Compatibility
-
- Astro Fi
- NexStar SE Series
- NexStar SLT
- NexStar Evolution
- CPC, CPC DX
- NexStar GT, with required #93919 splitter - sold separately
- CGE, CGE Pro
- Advanced VX
- CG-5, with required #93923 splitter - sold separately
- CGEM, CGEM DX
- LCM, with required #93919 splitter - sold separately
- CGX
- CGX-L
- CGEM II
UPC: 050234939737
In the Box
- NexStar 4SE 102mm f/13 Maksutov-Cassegrain GoTo Telescope
- E-Lux 25.0mm 1.25" Eyepiece
- StarPointer Finderscope
- NexRemote Control Software CD
- The Sky CD-ROM Software for Windows
- RS-232 to Serial Port Cable - for GPS 16 Accessory
- NexStar+ Hand Controller
- Tripod with Accessory Tray
- Limited 2-Year Warranty
- Celestron NexStar 4SE 102mm f/13 Maksutov-Cassegrain GoTo Telescope
Optical Design Maksutov-Cassegrain reflector Aperture 102mm Focal Length 1325mm Focal Ratio f/13 Eyepiece Barrel Diameter 1.25" Diagonal Integrated 90° flip
1.25" eyepiece holdersFinderscope Red-dot StarPointer GoTo Capability Yes, NexStar+ controller Tripod Stainless steel legs
Adjustable height
Built-in equatorial wedge
Weight 10 lb / 4.5 kgMount Type Motorized alt-az
Single-arm forkPower Source 8 x AA batteries Optical Tube Length 13.5" / 342.9 mm Weight 21.0 lb / 9.5 kg, OTA and mount Box Dimensions (LxWxH) 32.0 x 27.5 x 13.5" - Celestron SkyPortal WiFi Module
Packaging Info Box Dimensions (LxWxH) 3.8 x 2.8 x 2.3"
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
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Product Reviews
★★★★★ 5
Great product!
Size: 11 Fl Oz (Pack of 1)
I have a hard time finding lotions that actually soak in, most just sit on my face like a film. I love this moisturizer. It penetrates well and smells very good. I also bought the Vasaline RadiantX, which I like a little better because its lighter , its a body cream not butter. But they are both wonderfull
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Awesome Glow
Size: 11 Ounce (Pack of 2)
Happy with the application of the cream. Great fragrance and not grease at all. Leaves a nice glow on my skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
I have found my HOLY GRAIL of makeup removers and face cleansers!
Scent: Unscented, Size: 6.7 Fl Oz (Pack of 1)
This has to be the best face cleanser/makeup removers I have ever used in my 42 years of existence. Now before I tell you about the product - let me tell you about my skin: Uber sensitive, oily T-section, very prone to breakouts, blackheads, eczema, blotches, allergic reactions, you name it. I just look at some cleansers and my skin breaks out. I wear contact lenses, and my eyes are sensitive too. Now the last thing I would ever think of putting on my face is anything that has an "oil" in it, yet alone a product that IS an "oil." First of all, logic dictates that oil and water don't mix, plus if you've ever dripped salad oil on your chin, you know it's impossible to get out - and your skin feels greasy even after 2 showers later. And then you break out with a pimple there because your pores got clogged. Right? Now getting back to this product. I was watching one of those shopping channels on TV, and this really pricey cleansing oil comes on. And the lady just rubs the cleansing oil into her skin with her dry fingers (no water) and the makeup just melts off. She rubs it into waterproof lipstick, takes a white cloth and the whole thing wipes right off in one swoop! Noo... that's impossible. Then she does it again on her eyes - dry hands, pumps a few drips of the oil into her hand, massages it into her eyelids, and within 10 seconds later even the waterproof mascara gets wiped away with the cloth. Now there was no way I was going to pay $120 a bottle for their cleansing oil, so I went on Amazon to see if there was a comparable alternative. I came across this DHC one and figured, what the heck? Wow! I cannot believe it - this stuff works incredibly! I did it the same way as on TV, and my eyeshadow, waterproof eyeliner, and waterproof mascara, even the glue from false eyelashes just comes right off. I just pump 2-3 pumps of oil in my hand, close my eyes, rub my face with this oil for like 10-12 seconds, feel around for the cotton pad on the counter without opening my eyes, and wipe away the oil around my eyes, lips. Then I cup my hands with warm water and splash it on my face several times. Supposedly you don't have to use water, but I do. The oil comes right off - no oily feeling at all. And my skin is smooth. Now this sounds crazy - but the blackheads around my nose area - 100% gone! Somehow this oil (over a week's time) works better than any clay mask I have ever used in removing clogged pores. Just in case you also wear contacts, you know contacts plus any oil is bad and makes red, itchy, dry eyes. So I usually remove my contacts (just in case) first, and then wash my face. Or if I have to put my contacts back in right afterwards, I do use a normal cleanser for my face afterwards in my eye area, just to ensure there's no trace of oil. So far (been through 3 bottles) I have not had any problems. No breakouts, no scrubbing to get off makeup, no itchy skin, no blackheads - actually I think it might be protecting my skin somehow because even during this itchy pollen season, I'm perfectly fine. Love love love this stuff!!!
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Reviewed in the United States on May 20, 2016
★★★★★ 5
Use it daily to get sunscreen off
Scent: Unscented, Size: 4.1 Fl Oz (Pack of 1)
I use this every single day to remove my sunscreen at the end of the day. If you wear SPF daily you know how hard it is to fully get it off with a regular cleanser. This oil breaks it down completely without scrubbing or tugging at your face.
The gentleness is what keeps me coming back. I massage it onto dry skin for about a minute and everything dissolves. Sunscreen, any makeup residue, whatever built up during the day. It rinses clean with water and leaves zero greasy residue behind. My skin feels fresh after, not stripped or tight.
No fragrance and no colorant. I appreciate that because my skin reacts to basically everything unnecessary in a formula. Zero skin irritation after months of daily use. The ingredients are simple and effective. Olive oil based with vitamin E and it doesn't try to do too much. Just cleans thoroughly and gets out of the way.
My skin appearance has honestly improved since I started using this consistently. I think properly removing sunscreen every night was the missing step in my routine. Pores look cleaner, fewer random breakouts, and my other products absorb better on freshly cleansed skin.
The medium 4.1 oz bottle lasts me about two months with nightly use. Already on my third bottle and it's another subscribe and save staple.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Still One of the Best Cleansing Oils I’ve Ever Used After Years of Repurchasing
Scent: Unscented, Size: 7.7 Fl Oz (Pack of 1)
I rarely stay loyal to skincare products for years because I’m always testing and trying new things, but DHC Deep Cleansing Oil is one of the very few products that has remained a permanent part of my routine. I’ve repurchased this multiple times over the years, and every time I try another cleansing oil, I eventually come back to this one because the performance is just consistently good.
The first thing that stands out is how effective it is at removing makeup. I wear waterproof mascara, eyeliner, sunscreen, and long-wear foundation regularly, and this breaks everything down incredibly fast without needing to aggressively rub my skin. I usually apply one pump onto dry hands and massage it onto my dry face for about 30 seconds. You can literally feel the makeup dissolving almost immediately, especially around the eye area where stubborn makeup usually takes extra effort to remove.
What I really appreciate is that it removes heavy makeup in one application. I don’t have to go back in multiple times or use separate eye makeup removers anymore. Even waterproof mascara that normally leaves residue around the lashes comes off cleanly. That alone saves me so much time at night when I’m exhausted and just want my skincare routine done quickly.
Once water is added, the oil transforms into a light milky texture that spreads evenly and rinses away very easily. A lot of cleansing oils claim to rinse clean but still leave behind a greasy film that makes me feel like I need another cleanser immediately afterward. This one actually rinses off properly with water and leaves my skin feeling clean, soft, and balanced instead of heavy or sticky.
Another reason I’ve continued using this for years is because it doesn’t make my skin feel stripped. My skin tends to get dehydrated easily if I use harsh cleansers, especially during colder months, but this leaves my face feeling comfortable and hydrated. The olive oil and vitamin E in the formula definitely help with keeping the skin soft after cleansing. My skin usually feels smoother and calmer afterward instead of tight and irritated.
I also haven’t experienced clogged pores from this, which surprised me because I was originally nervous about putting an oil cleanser on my face. Instead, it actually helps loosen buildup and sunscreen better than many foaming cleansers I’ve tried. My skin texture always looks cleaner and more refreshed after using it consistently.
The bottle also lasts a very long time because you honestly don’t need much product. One pump covers my entire face easily, including eye makeup removal. Even with regular use, the full-size bottle lasts me months, so I feel like the value is actually very good considering how little product is needed each time.
The included travel size is another nice bonus. I keep the mini bottle in my travel bag or purse because it’s convenient for trips and prevents me from having to transfer product into another container. It’s small but still lasts quite a while.
One more thing worth mentioning is the price. I’ve purchased this from different places over the years, and this listing is usually cheaper than buying directly from the official store. Whenever I see it on sale, I stock up because it’s one of those products I genuinely never want to run out of.
Overall, this is one of the most reliable cleansing oils I’ve used. It removes makeup quickly, rinses clean without residue, feels gentle on the skin, and lasts a long time. If you wear makeup regularly, use waterproof products, or simply want a cleansing oil that actually performs the way it promises to, this one is absolutely worth trying.
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Reviewed in the United States on May 15, 2026
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