Opticron Mm4 77 Ga Ed/45 Hdf T 18-54x77mm Travelscope (angled Viewing)
- Product Code: ga204338
-
Designed and built in Japan, the 45° angled viewing Opticron MM4 77 GA ED/45 HDF T 18-54x77mm Travelscope is engineered with extra-low dispersion (ED) glass and fully multicoated optics to ensure accurate color rendition with improved clarity and contrast. Its large objective lens ensures views are bright and crisp from dawn to dusk or when viewing subjects at extreme distances on maximum magnification. For optimal eyepiece orientation, the tripod collar rotates up to 90° in both directions, and a 1/4"-20 mount makes it compatible with many tripods, quick release plates, and other popular support systems like window mounts. To help offset the weight of the objective lens glass, the chassis and body are made with a combination of magnesium, aluminum, and polycarbonate that maintains strength and stability.
45° Angled Viewing 18-54x HDF T Zoom Eyepiece Large 77mm Objective Lens Extra-Low Dispersion Glass Fully Multicoated Optics Nitrogen-Filled, Fog and Waterproof Body Rotating Tripod Collar, 1/4"-20 Mount 9:1 Reduction Dual Focusing System Made in Japan
Key Specs | |
---|---|
Viewing Angle | Angled |
Magnification | 18 to 54x |
Objective Lens Diameter | 77 mm |
Minimum Focus Distance | 18.0' / 5.5 m |
Exit Pupil Diameter | 18x: 4.3 mm 54x: 1.4 mm |
Eye Relief | 22.0 to 17.0 mm |
Design | |
Viewing Angle | Angled |
Prism Type | Porro |
Performance | |
Magnification | 18 to 54x |
Objective Lens Diameter | 77 mm |
Minimum Focus Distance | 18.0' / 5.5 m |
Exit Pupil Diameter | 18x: 4.3 mm 54x: 1.4 mm |
Eye Relief | 22.0 to 17.0 mm |
Features | |
Fogproof | Yes, Nitrogen Filled |
Environmental Resistance | Water-Resistant (Unrated) |
General | |
Tripod Mounting Thread | 1/4"-20 Female |
Dimensions | L: 14.8 x H: 6.4 x W: 3.7" / L: 375.0 x H: 162.0 x W: 95.0 mm |
Weight | 51.7 oz / 1465.0 g |
Packaging Info | |
Package Weight | 3 lb |
Box Dimensions (LxWxH) | 17 x 5.5 x 5" |
- Powerful 18-54x HDF T eyepiece has a 3:1 zoom mechanism that allows you to scan the terrain on low power and then bring your subject of interest in close for detailed observation and identification
- Large 77mm objective lens ensures views remain bright and clear in all light conditions, or when observing subjects at long distances on high magnifications
- Extra-low dispersion (ED) glass limits chromatic aberrations to produce clearer and sharper views with little or no color fringing
- Anti-reflection fully multicoated optics improve light transmission, color rendition, clarity, and contrast
- Eyepiece is set at a 45° angle to the body, putting the user's head in a comfortable viewing position whether they are standing, sitting, or lying prone
- Dual focus system with a 9:1 reduction allows for fast coarse and precision fine focusing
- ±90° rotating tripod collar enables precise eyepiece placement for optimum comfort and accessibility
- 1/4"-20 tripod mount easily fits on most quick release plates or photo/video/field tripods
- Long eye relief at all magnifications presents a generous eye box to reduce eye strain and improve viewing comfort
- 4.3mm exit pupil on 18x, 1.4mm on 54x
- Designed and made in Japan
- Combination of magnesium, aluminum, and polycarbonate chassis helps to offset the weight of the large objective without sacrificing strength or stability
- Spotting scope body is water and fogproof, but the eyepiece is not
- O-ring sealed to be waterproof and nitrogen filled to be resistant to internal fogging when moving through extreme temperature and environmental changes
- Rubber armor protects housing from impacts while providing a slip-resistant grip
- Tethered objective lens cover
- Compatible with SDL, HDF T, and HR eyepieces, so if you already have a compatible eyepiece you can use it to expand your spotter's magnification range options
Related Questions and Answers
Q: 1. is the selestron landscout 12-36 good for space observation?
A: No, this is a spotting scope which is intended for shorter distances like 100-400 ft. You need a telescope.
Q: 2. Is is possible to mount a Nikon D600 or D700 on this with an adapter?
A: As I understand it, this scope can be used with any major DSLR camera. It comes with a T ring that screws right onto threads on the ocular end of the eyepiece (remove eye cup to reveal threads, but eyepiece itself stays in place). All you need in addition is a camera mount specific t adapter (available from B&H for less than $10 for my Canon EOS mount DSLRs). I assume the above Nikons are DSLRs, so just ask for the appropriate T adapter ring. The camera body can then be attached to the scope, just as you would attach any lens. Hope this helps.
Q: 3. Will adding a DSLR camera to the supplied eye piece change the focal length of the system?
A: No it will not. The Focal Length will stay the same.
Q: 4. How will it perform with a UV filter? Or any Ricoh accessories typically used with the GRIII?
A: In order to use a filter with the Ricoh GR III HDF Digital Camera, you will need an adapter like the NiSi Filter Adapter for Ricoh GR III (49mm): https://bhpho.to/2z0u0qy. This filter adapter will allow you to attach 49mm filters. A UV filter should not hinder the picture quality. You could also consider buying the NiSi Filter System for Ricoh GRIII (Master Kit) kit, which includes the filter adapter: https://bhpho.to/2xoWEkR.
Q: 5. Can this scope be used comfortably on a monopod?
A: The Celestron Regal M2 100ED Spotting Scope with 22-67x Eyepiece (Angled Viewing) will work with any monopod/tripod. The image may be a bit shaky as a monopod is not completely steady but it can be done.
Q: 6. I have a Fuji XT-3 camera. How would I attach this to the Pentax PF-80EDA?
A: You woud mount your XT-3 csamer to the scope (no eyepiece) with the Celestron SLR (35mm OR Digital) Camera Adapter for All Refractor and Reflector Telescopes which Accept 1.25" Eyepieces - Requires Camera-Specific T-Mount Adapter BH #CETA1.25 • MFR #93625 Or the Celestron SLR Camera Adapter with Integral 2x Barlow Lens BH #CETABL • MFR #93640 and the FotodioX Lens Mount Adapter for T-Mount T/T-2 Screw Mount SLR Lens to Fujifilm Fuji X-Series Mirrorless Camera Body BH #FOT2FXRF • MFR #T2-FXRF mount to your camera body.
Q: 7. Hi, I have Canon EOS 1Ds Mark III, what kind of adapter can use for this camera, for full frame pictures?
A: The Vixen Optics SLR Camera Adapter G will work with the Vello Lens Mount Adapter - T Mount Lens to Canon EOS Camera. Website link to Vixen: http://bhpho.to/29o5pgyWebsite link to T-Ring: http://bhpho.to/1l1cqn1
Q: 8. How do you relate the magnification (in this case 16-48, as I understand it) to the specs of the Accessories Eyepieces? These are listed in mm, not magnification. Thanks
A: To calculate the magnification, simply divide the focal length of the scope (382mm) by the focal length of the eyepiece used. For example, if you used a 10mm eyepiece, you would have a magnification of 38x.
Q: 9. What is included in the box? Thanks.
A: The Ricoh GR IIIx HDF Digital Camera includes a battery, power plug, charging cable, and a hand strap.
Q: 10. Are there replacement lens caps? I can't find any online... Thank you.
A: Please contact our technical support team and a representative will be able to assist you in acquiring a new replacement lens cap. The best way to reach them is by submitting a ticket here: https://www.celestron.com/pages/technical-support
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