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APM - LZOS acApo-Refraktoren - 228 f/9 Apochromat, Lens in Cell
APM Ceramic Safety 2" Herschelkeil with APM Fast-Lock Eyepiece Adapter
Characteristics:
- High quality surfaces for best contrast values
- Completely closed body with light catch
- Pre-installed ND3 filter and integrated polarizer
- Setup of the polarizer by turning the eyepiece sleeve
- APM FastLock eyepiece sleeve
- Delivery with solid Aluminum case
- Backfocus 115 mm
- Weight 830 grams
Straight View 50 mm Viewfinder from APM - new Version in White Color in a Set.
Straight View 50 mm Viewfinder from APM in white colour.
The uncompromising APM TMB-Design 1.8 x ED Barlow element is available again.The most important data:
- At 588 nm wavelength the negative focal length is - 104.20 mm
- Cemented 2 lens element with ED glass
- Free aperture : 22 mm
- Broadband multicoated
- Magnification factor 1.8x
- Screwable into our APM adapter kit (see accessories)
High quality 1 1/4" Herschelwedge with built in ND3.0 filter for safely solar observation and photography.
The Askar 0,8x Reducer - Corrector for the 185mm f7 Triplet APO turns the 185 mm APO into a fast Astrograph.
- designed for the Askar 185APO
- brings the focal ratio down to f5.6
- suitable for full frame cameras
The Askar 1.0x corrector for the 185mm f7 Triplet APO provides a very good image quality across the entire field of view.
- developed for the Askar 185APO
- provides very good image quality across the entire field of view
- suitable for full-frame cameras
The ASKAR full-frame 0.7x focal length reducer improves the FRA400´s and FRA500´s focal ratio from f/5.6 to f/3.9, halving the exposure time
The ASKAR full frame 0.7x focal length reducer improves the FRA600´s focal ratio from f/5.6 to f/3.9, halving the exposure time
HR Coma Corrector 2" by Explore Scientific.
Enlarges and flattens the field of view of the LUNT LS80MT, LS100MT & LS130MT multipurpose