Top Computerized Metering Device

Celestron - SkySync Telescope GPS Accessory, Black (93969) & 18778 AC Adapter (Black)

• Product 1: ADD GPS FOR THE MOST ACCURATE ALIGNMENT: Upgrade your Celestron computerized telescope with ultra-precise 16-channel GPS time, date, and location data..
• Product 1: SAVE TIME ALIGNING YOUR SCOPE: Instead of entering the approximate time, date, and location into your hand control manually, SkySync obtains this information from orbiting global positioning satellites, saving you time in the field..
• Product 1: GREAT FOR ASTROIMAGING: SkySync will improve your alignment—a difference you can see in your astroimages..
• Product 1: WORKS WITH YOUR EXISTING TELESCOPE: Simply plug into your hand control or any available AUX port on your telescope mount. Work with all non-GPS Celestron computerized telescopes..
• Product 2: Power your Celestron computerized telescope from any AC wall outlet.
• Product 2: Suitable for indoor or outdoor outlets.

Lennox CX34-30B-6F-2/20M68 2-1/2 TON AC/HP UPFLOW CASED A Coil, R-22/R-410A 1000 CFM

Celestron NexStar Evolution Telescope, 9.25\

• Control your telescope wirelessly from your iOS or Android smartphone or tablet with the free Celestron mobile app with planetarium interface and SkyAlign technology.
• Compact, portable Schmidt Cassegrain telescope with StarBright XLT optical coatings and Fastar compatibility.
• Computerized GoTo mount with high-performance worm gears and motors for improved tracking accuracy, along with reduced gear backlash.
• Rechargeable lithium-ion battery with enough power for 10 hours of continuous observing.
• Improved industrial design with manual clutches and integrated carry handles, plus the added convenience of two accessory trays and a USB charge port for your smart device.

The Man with the Movie Camera

• 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
• Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
• Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
• Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5% vertical and 96% horizontal coverage of the actual picture.
• Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..

Vintage Camera 35mm film for photographer T-Shirt

• 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
• Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
• Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
• Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5%....
• Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..

Canon AE-1 35mm Film Camera w/ 50mm 1 1.8 Lens

• 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
• Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
• Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
• Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5% vertical and 96% horizontal coverage of the actual picture.
• Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..

Nikon FM2 SLR manual focus film camera with titanium shutter

• 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
• Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
• Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
• Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5% vertical and 96% horizontal coverage of the actual picture.
• Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..

35 Mm Still Camera with Electronic Shutter Click with Manual Film Wind

• 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
• Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
• Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
• Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5% vertical and 96% horizontal coverage of the actual picture.
• Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..

Canon AE-1 35mm Film Camera w/ 50mm 1 1.8 Lens Renewed

• 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
• Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
• Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
• Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5% vertical and 96% horizontal coverage of the actual picture.
• Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..

Nikon FM-10 35mm SLR Camera Kit with 35-70mm F3.5-4.8 Zoom Lens & Camera Case

• 35mm SLR (Single-Lens-Reflex) camera with electronically controlled AE (Automatic Exposure) and focal plane shutter..
• Canon FD series interchangeable lenses with full aperture metering and AE coupling. Canon FL series with stopped-down metering..
• Standard lenses for the Canon AE are Canon FD 55mm f/1.2 S.S.C, Canon FD 50mm f/1.4 S.S.C, Canon FD 50mm f/1.8 S.C..
• Canon Breech-Lock mount, Canon FD, FL and R lenses can be used. The viewfinder is fixed eye-level pentaprism with a field of view that is 93.5% vertical and 96% horizontal coverage of the actual picture.
• Viewfinder information includes aperture scale with meter needle and stopped-down metering which also serves as a battery charge level check mark..

Hopoocolor OHSP350UV Irradiance Spectrometer UV Tester 230-850nm

• 2 Years warranty. 5 inches LCD read data directly, Lightweight and convenience, also have software to output colorful gragh.
• With auto zeroing capabilities, you can be sure you'll always get a reading with pinpoint accuracy, integrating time 50us-10s, really fast!.
• Long focal length optical system, 2 nm optical resolution of Spectrometer.
• High performance linear CCD sensor 3648 points.
• Precise Measurement: LED, Tungsten, Natural Light, Sunlight..etc. Handheld and Portable. All device calibrated done before out of factory.
• Bring Anywhere: From squeezing into tight places to keeping your load light, you can bring spectrometer wherever you need to. Fits easily into a work bag or large pocket and barely adds any weight. It's the ultimate in light-metering convenience!.

Irritrol 2709PR Anti-Siphon Manual Valve, 1

• Internal And External Bleed (Flush Mode) - Allows For Manual Operation.
• Full Stainless-Steel Metering System (Dpr Models) - Consistent Valve Operation.
• Patented "Floating Metering System" (Apr Models) - Consistent Valve Operation.