stcoptics.com的 10 大竞争对手

kolarivision.com

The professional's choice for infrared conversion, IR and UV filters, custom mods, NDVI, consulting, and more. Learn more about infrared photography.

cyclopsoptics.com

** International Free Shipping Applies ** Never should you worry about achieving razor sharp focus again! With Pegasus Astro Focuscube Zero, you could empower your SCT telescope with motorised focuser capability and with the right software, autofocus is just a few clicks away! A key component for automating your astrophotography rig. Advantages of Pegasus Astro FocusCube Zero: Precise manual focusing control without touching the telescope High torque & very low backlash motor enables micron-scale focusing Perform auto-focus with software like SGP or FocusMax Auto compensate focus changes due to temperature changes Easy to install and compatible with most telescopes via Universal L-bracket FocusCube Zero (For SCTs) >> FocusCube SCT has been replaced by the Focus Cube Zero. Zero allows backlash free movement and is way faster than older motor Focus fast, reliable and accurate your Celestron SCT telescope by using the “FocusCube Zero“. The evolution of technology in astronomy requires a system which will assist the focusing of the telescope with great accuracy. Fast optics and modern camera devices require automatic focusing in every small period of time as temperature can affect focal length and modify the optimal focus position. Pegasus FocusCube Zero has been developed to meet all of these requirements. Designed in high quality with modern electronics, FocusCube can provide digital precise focus control from a PC. Device includes a stepper motor for absolute position focusing. Electronics and stepper motor are enclosed in a compact sized box. Stepper motor provides high speed, focus accuracy and zero backlash. You only need this device to focus! Attach the FocusCube Zero to your SCT telescope, plug the power, USB cable, download ASCOM drivers or standalone software and you are ready to go! IMPORTANT NOTEFocusCube is a standalone device and includes controller&nb

hoyafilterusa.com

HOYA pushes the boundaries of advanced optics technology by creating the best camera filters for every photographer skill level.

tiffen.com

The Rifa EX LED Bulb Retrofit allows legacy Rifa EX 55, Rifa EX 66 and Rifa EX 88 lights to be repurposed at a low cost with the latest LED technology. Saving you from reinvesting in new lights and providing you a path forward for a price that is similar to the cost of a few traditional tungsten bulbs. Plus, the LED bulb provides a much longer life. Rifa EX LED Bulb & Diffuser Kit Includes: Affordable upgrade brings new life to legacy Rifa EX products* Uses standard Rifa EX light socket for quick replacement Powerful LED 85W output with high CRI and TLCI ratings Color tunable from Daylight (6400K) to Tungsten (2700K) color temperatures Dimmable from 10%-100% Built-in wired controller Includes new lightweight diffuser *Available for the Rifa EX 55, Rifa EX 66 and Rifa EX 88. Bulb and Diffusers can also be purchased separately This product is only available for owners of Rifa EX models. To upgrade an existing RIFA model to a Rifa EX model, please reference this service bulletin.

kasefilters.eu

Discover our current special offers directly in our shop. Benefit from selected promotions and secure your piece of the pie.

breakthrough.photography

Cinema DFM is a behind-the-lens filter system for filmmakers using PL lenses. Featuring a large selection of drop-in filters, the DFM enables you to turn your creative vision into reality while achieving a distinctive look. Developed in cooperation with filmmakers, with a focus on ease of use, functionality, and versatility. Frequently bought together X4 CPL IN STOCK $199 NIGHT SKY IN STOCK $179 X4 VND IN STOCK $329 RAPTOR SUPORT IN STOCK $49 KOMODO SUPPORT IN STOCK $29 Design that improves with age Cinema DFM locking rings are available in two different finishes: red and black. After years of hard use, when a bit of metal starts to show through, the Cinema DFM will start to show it's true colors. Modular, Shimmable Locking Rings Choose between 3 different grip handle designs to get the right look and feel. Compatibility & Flange Depths RF 27mm IN STOCK $999 DSMC2 23mm PRE-ORDER $1,299 XL IN STOCK $1399 L-Mount 27mm IN STOCK $999 E-Mount 29mm IN STOCK $999 X-Mount 29mm COMING SOON $999 Mount Supports Eliminate deflection between the DFM and camera body with camera supports for RED Komodo®, Komodo X® and Raptor®. KOMODO SUPPORT IN STOCK Sold out RAPTOR SUPPORT IN STOCK Sold out KONDOR BLUE SUPPORT IN STOCK Sold out RED RISER SUPPORT IN STOCK Sold out TILTA SUPPORT(Kom

irixlens.com

Irix Edge Black Mist SR - Irix lenses were designed with both the effort and experience, of not only engineers, but also photographers. Swiss precision and Korean innovation create Irix lenses. -

rokinon.com

Privacy Policy This Privacy Policy governs the manner in which Elite Brands Inc. collects, uses, maintains and discloses information collected from users (each, a "User") of the https://www.Rokinon.com website ("Site").Personal identification information We may collect personal identification information from Users in

viltrox.com.cn

viltrox唯卓仕是全球相机镜头和转接环市场领先的专业摄影器材品牌。你可以了解相机自动对焦镜头，也可以了解epic、luna专业电影镜头，以及监视器、摄影补光灯、转接环等摄影配件，也可以下载唯卓仕镜头、转接环新固件。

cokinfilter.com

Description The Z4101 adapter ring is machined to the exact specifications of the Nikkor Z 14-24mm F2.8 S lens for exclusive use with the Cokin NX-Series filter-holder system Due to the design of the Nikkor Z 14-24mm lens design you will experience some vignetting when using the NX series filters. Filter Holder + Adapter ring = No Vignette + Polarizer = Soft Shading Vignette in all 4 corners (filter is not visible) Polarizer + 1 or 2 filters = increased shading in all 4 corners (Polarizer is not visible) No Polarizer + 1 or 2 filters = No Vignette Click Here to see visual comparison  LEARN MORE HERE At the 14mm focal length, we can see a slight vignetting in the corners of the image, which can be easily removed when developing the raw NEF file with an image processing software such as Adobe Lightroom.  video Specs   Compatible Lens Nikkor Z 14-24mm f2.8 S Compatible Systems NX Series Protection Built-in Foam ring to protect lens Tightening Screw Knurled and rubber tipped Thickness 16mm Outside Diameter 101mm Weight 40 grams UPC Codes 3611531300414