Arc Lens

is this a good telescope ?….?
Shipping Weight: 79 lbs.
Optical Design: Newtonian (Parabolic)
Lens Material: Grade A annealed Glass
Aperture (Diameter): 254mm
Focal Length: 1200mm
F-Ratio: F/5
Secondary Mirror Diameter: 58mm
Highest Practical Power: 508x
Faintest Stellar Magnitude: 14.7
Resolving Power: .59 arc sec
Finderscope: 8×50 RA Viewfinder
Focuser Diameter: 2″, 1.25″ adapter
Diagonal: Internal
Eyepiece(s): 1.25″, 25mm, and 10mm
Mount Type: Dobsonian
Slow Motion Control: Manual w/ Tension Adjust.
Counterweight(s): N/A
Piggyback Bracket: N/A
Accessory Tray: Standard
Ground Board Weight(s): 12.5 kgs.
Motor Drive: N/A
Go-To: N/A
Tube Weight: 33 lbs.
If I only have these specs to go on, yeah, it looks great on paper. 10″ f/5 dobsonian – Almost the same as my first real telescope (10″ f/4.5). Looks great! The only thing to watch out for is the actual quality of the optics. You never know what you’re getting until you look through it!
Atomic Sub Frame ARC Lens – www.simplyscuba.com
|
|
Hobart 770096 Welding Oxy-Acetylene Goggle – 50mm Eye Cup $8.99 Fixed front – rigid 50 mm dual cup eye goggles come with #5 shade for acetylene welding. Compact design with elastic headband provides years of trouble-free eye protection.Ideal for use with welding applicationsRigid 50 mm dual cup for optimal eye protectionElastic headband helps the goggles stay in place for lasting protectionNumber-5 shade shields against brightnessCompact design for easy, durab… |
|
|
ArcOne G-FLY-A1501 The Fly Safety Goggles $15.91 … |
|
|
Neiko Solar-Powered Auto Darkening MIG/TIG Welding Helmet, ANSI Approved Lens $46.89 The shield lens darkens instantly when welding begins and clears when wielding stops. Switch easily between shades from 9 to 13 with 1/10000 second reaction time. The internal rechargeable lithium battery is rechargeable by the solar cell. Two-way adjustable headband ensures a comfortable fit. The helmet meets ANSI Z87.1 standards…. |
|
|
Sony Cineza VPLHS51A Home Theater Video Projector $3,999.99 Sony’s next-generation VPL-HS51 Cineza high-definition front projector is equipped with the latest 3LCD panel. It’s packed with features like an advanced iris function, a high contrast ratio of up to 10000:1, and three proprietary 720p LCD panels that provide 2,764,800 pixel resolution (1280×720) optimized for HD video input. The VPL-HS51 also features an all range crisp focus (ARC-F) lens and the… |
|
|
Sony VPL-HS51 Cineza LCD Front Projector $2,275.00 Sony’s next-generation VPL-HS51 Cineza high-definition front projector is equipped with the latest 3LCD panel. It’s packed with features like an advanced iris function, a high contrast ratio of up to 6000:1, and three proprietary 720p LCD panels that provide 2,764,800 pixel resolution (1280×720) optimized for HD video input. The VPL-HS51 also features an all range crisp focus (ARC-F) lens and the … |
|
|
Sony VPL-VW100 LCD Projector $3,388.88 Sonyâs VPL-VW100 is the ultimate in home theater entertainment. This projector supports Full High Definition with three SXRDâ red, green and blue, which are used to produce the trillions of colors that you as the viewer enjoy on the screen. The projector’s Advanced Iris technology also helps to improve images by monitoring algorithms and adjusting the iris diameter so images in bright scenes are… |
|
|
US Forge 104 Shaded #10 Welding Lens 4-1/2-Inch by 5-1/4-Inch $2.99 Provides necessary protection against ultraviolet rays for all types of arc welding…. |
|
|
Nike Arc Angel Sunglasses Nike Arc Angel sunglasses have a flowing feminine design. This high-tech urban-inspired design is crafted from scratch and impact resistant acetate in single and multiple layers. The eight-base sport wrap frame maximizes coverage, and the seven barrel stainless steel hinges gives the frame maximum durability. On the black temple arms, there is hand finished detailing, milled graphics, and a chrome… |
|
|
Julbo Explorer Mountain Sunglasses $119.00 113103 Features: Ideal for high altitude adventure, the Explorer is a technical glacier optic that will help you stay protected Shatter resistant polycarbonate lenses are light in weight for comfort, while rendering true colors Includes a plastic hardshell case for protection when they’re not being used Alti Spectron X6 lenses provide 95% visible light reduction for harsh mountain light Lenses pro… |
|
|
Julbo Micropore Mountain Sunglasses $140.00 190260 Features: Get a secure fit with the wrap-temples that won’t jostle as you move while the unique nose bridge provides circulation that prevents fogging Customize for your adventures by choosing between the 2 lens options For high-altitude glacier travel, protect your eyes from 93% of visible light with the Alti Arc X8 hardened mineral lenses treated with an anti-reflective finish If you need… |